Measuring equity in disability and healthcare utilisation in
Afghanistan
Trani JF and Barbou des Rosieres C.
Key words : Afghanistan, conflict, health care access, equity.
Abstract
This paper analyses equity in health and healthcare utilisation in Afghanistan based
on a representative national household survey. Equitable access is a cornerstone of the
Afghan health policy. We measured socioeconomic-related equity in access to public health
care, using disability– because people with disabilities are poorer and more likely to use
health care – and a concentration index (CI) and its decomposition. The socioeconomicrelated equity in healthcare utilisation was measured using a probit model and compared with
an OLS model providing the horizontal inequity index (HI). We found low rate of healthcare
facilities utilisation (25%). Disabled persons are using more healthcare facilities and have
higher medical expenses. Disability is more frequently associated with older age, unemployed
heads of household and lower education. The CI of disability is 0.0221 indicating a pro-rich
distribution of health. This pro-rich effect is higher in small households (CI decreases with size
of the household, -0.0048) and safe (0.0059) areas. The CI of healthcare utilisation is -0.0159
indicating a slightly pro-poor distribution of healthcare utilisation but overall, there is no
difference in healthcare utilisation by wealth status.
Our study does not show major
socioeconomic related inequity in disability and healthcare utilisation in Afghanistan. This is
due to the extreme and pervasive poverty found in Afghanistan. The absence of inequity in
health access is explained by the uniform poverty of the population and the difficulty to access
BPHS facilities, despite alarming health indicators.
Introduction
Equity in health (Sen 2002) and access to healthcare (Goddard and Smith
2001) is a major concern for all health systems and policy makers particularly since
the Alma Ata declaration of 1978 (WHO 1978). Following the declaration, health
equity has been the goal of new health policies focused on universal access to
primary healthcare. The idea to promote better health for all requires to focus on
equity, utility, equality, and human rights (Bryant, Khan et al. 1997). In the recent
years, the World Bank and World Health Organisation’s (WHO) Commission on
Social Determinants of Health (CSDH) have released reports examining the social
determinants that undermine equitable health distribution and have demonstrated
that in the context of increasing global wealth, the health inequities are increasing as
well (WB 2005; World Bank 2005; CSDH 2008). The overarching goal of contracting
for basic health care services delivery is to improve services, promote universal
access, equity, resources, effectiveness and efficiency. Basic health services are
considered to have the best potential to deliver equitable health care. It is estimated
that they can deal with 90% of health care needs (World Bank 1994), and are more
accessible to the general population and those more in need than hospitals which are
primarily situated in urban centres.
In 2005, in Afghanistan, Dr. Sayed Mohammad Amin Fatimie, Minister of
Public Health, clearly stated that the new health policy, the Basic Package of Health
Services (BPHS) was an “opportunity to the ongoing development of the health
system of Afghanistan, extending access and promoting equity for the benefit of the
Afghan people” (MoPH 2005a). The Afghan Government, supported by international
donors (USAID, World Bank and the European Commission), is aiming at providing
universal healthcare through the BPHS (composed of health posts, health centres
and district hospitals) and provincial hospitals. However, health inequity in
Afghanistan must be achieved in a context of difficult accessibility to the health
services due to geographical constraints, conflict-related violence, as well as in an
environment of extreme and pervasive poverty. A previous study has demonstrated
what are the difficulties faced by vulnerable groups such as women head of
households, poor and disabled people in accessing healthcare facilities. (Trani,
Bakhshi et al., 2010).
Using a different method and perspective, we assess in this paper to what
extent the BPHS has been able to achieve its official objective of providing equitable
access to healthcare for the most vulnerable in Afghan society by identifying the
impact of the social determinants of healthcare utilisation. We use data from the
National Disability Survey in Afghanistan (NDSA) (Bakhshi, Trani et al. 2006a), which
employs a household survey questionnaire to collect individuals’ perception of their
own disability, activities of daily living and social determinants of health, as well as
the users’ perspective on health services utilisation. By using a representative
household survey, this work extends the findings of other studies of healthcare
utilisation in Afghanistan that were restricted to health facilities’ catchment areas
(MoPH 2008; Steinhardt, Waters et al. 2009).
A vast literature exists regarding different forms of equity, (termed ‘vertical’
and ‘horizontal’), but the focus of much of this is on horizontal equity in healthcare
delivery, defined as “equal treatment for equal need” (Culyer, van Doorslaer et al.
1992; Culyer and Wagstaff 1993; van Doorslaer, Wagstaff et al. 2000). In other
words, horizontal equity is the utilisation of healthcare according to health needs,
irrespective of social characteristics. In our study, we captured differences in
utilisation of public healthcare services that cannot be justified by variations in health
needs proxied by the disability score. Following (Wagstaff, van Doorslaer et al. 1989)
and (Wagstaff, Paci et al. 1991), we use a concentration index of equity to explore
the extent to which an equitable access to healthcare in Afghanistan is provided
relative to need, regardless of individual socioeconomic status. We followed two
steps: firstly by analysing health equity defined by equal distribution of health among
people irrespective of their socioeconomic status, and secondly by examining
horizontal equity in healthcare utilisation. The utilisation here is restricted to public
healthcare services, which remain the only reliable source of healthcare in
Afghanistan.1
Background
After decades of conflict, Afghanistan is one of the poorest countries in the
world, with a estimated 42% of its 29 millions inhabitants (WB 2009) living under the
poverty line. The Gross National Income (GNI) of the country is $10.6 billion and the
GNI per capita is evaluated at $370. This ranks Afghanistan at 202 out of 213
countries (WB 2010a). Early after the US invasion, the health indicators were one of
the worst in the world: Life Expectancy was 42 years (2004), the Under 5 Mortality
was 258/1000 live births (2004) and Maternal Mortality was 1900/100000 live births
(2000) (WHO 2006). The few existing health services were mainly provided by nongovernmental organisations (NGOs) in a scattered and uncoordinated way. Even
after the fall of the Taliban regime in 2001, major constraints still remained in the
delivery of health services: geographic constraints in rural areas (including the
absence of road, and the isolation of half of the country’s villages due to snow during
winter), increasing insecurity (Richards and Little 2002; Fleck 2004), the continued
risk associated with the presence of landmines, the lack of medical and non medical
infrastructures and skilled health workers and economic instability (Acerra, Iskyan et
al. 2009). Our paper explores to what extend these factors, particularly risk of
violence and remoteness of villages, explain inequality of access to health care after
standardizing for differences in need through decomposition analysis (Wagstaff, van
Doorslaer et al. 2003; Wagstaff and Watanabe 2003).
The Government of Afghanistan faced the challenge of rebuilding the
healthcare system in this fragile and volatile environment. The Ministry of Public
1
Private providers are rarely available in rural areas and characterised by partial or
nonexistence of medical training, lack of equipment and absence of regulation. Private clinics
are found in urban settings and only affordable by the richest people.
Health (MoPH), supported by International Organisations, major donors and NGOs,
launched a nationwide healthcare plan made up of the BPHS covering primary
healthcare services and of the Essential Package of Hospital Services (EPHS)
covering secondary/tertiary healthcare at hospital level (MoPH 2005a; MoPH 2005b).
The priorities of the BPHS are: maternal and new-born health, child health and
immunisation, public nutrition, communicable disease treatment and control, mental
health, disability services and regular supply of essential drugs with a special focus
on equitable delivery of health services nationwide. However, the BPHS strategy was
criticised for contracting national and international NGOs for its implementation with
insufficient grant budgets varying between US $4.30–$5.12 per capita (Newbrander,
Yoder et al. 2007).
A process of evaluation of the implementation of the BPHS was launched in
Afghanistan in 2004 (Loevinsohn and Harding 2005) and provided mixed results in
terms of both efficiency and equity as well as methodological issues. Some studies
showed that contracting-out provides a rapid scaling-up in health services delivery
(Palmer, Strong et al. 2006), an increase in patient utilisation (Arur, Peters et al.
2010), a global improvement of the Balanced Scorecard (BSC) indicators (Peters,
Noor et al. 2007; MoPH 2008) or improvement in emergency care services (Acerra,
Iskyan et al. 2009). Other studies reported that this strategy can confine the MoPH to
its stewardship role (Liu and Mills 2002), that introducing competition between NGOs
through bidding processes and performance-based results is not a good indicator of
efficiency and equity in healthcare delivery (Ridde 2005), and that the cost per capita
is not a good predictor of utilisation and effectiveness (Ameli and Newbrander 2008).
Studies in India indicate (Baqui, Rosecrans et al. 2008) that contracting International
NGOs increases equity in preventive care services utilisation but not in healthcare
services utilisation where extrinsic factors (cost, remoteness, etc.) affect the
accessibility to health facilities for the poorest people. In Afghanistan, (Hansen,
Peters et al. 2008) demonstrated that contracting-out NGOs leads to a higher quality
in health services delivery largely in favour of the poorest. However, they also
recorded that there was a still noticeable difference between provinces concerning
the quality of services delivered to the population.
Methods
Study design
We conducted a cross-sectional national household survey on disability
between November 2004 and July 2005 (Trani and Bakhshi 2008). We used the
2004 census as a household sampling frame. At the pre-sampling stage, estimations
of disability prevalence ranged from 3% to 10% from organisations working with
disabled people in Afghanistan, therefore a disability prevalence rate estimate of 6 to
8% was chosen for the sampling calculation (UNDP/UNOPS 1999; WFP and MRRD
2004). The CSO population database 2003-2004 indicated a need to interview a
minimum of 1915 disabled persons with a 95% confidence interval and a 15%
precision; a screening level of between 5000 and 6000 households (Bakhshi, Trani et
al. 2006a). The NDSA sample size included 5250 households divided into 175
clusters, with 30 households per cluster. A three stage sample frame was then
established. At the first stage 175 clusters were randomly selected using probability
proportional to population size. Second, surveyed villages were randomly selected
using the same method. At the third stage, households were randomly selected as
follows. In each selected village, the survey team asked for the location of the village
centre. From there, the team spun a pointer to choose a direction then allocated a
number from 1 to 30 to each consecutive house in that direction. One household
between 1 and 30 was randomly selected as the first household to survey and from
there the 29 nearest households were interviewed using the “nearest front door”
method for selection.
A screening questionnaire comprising of 27 questions was completed by the
head of each selected household in order to establish whether a disabled person was
present within the household. All disabled persons identified at this stage were
interviewed directly or through a caretaker in the case of young children. Children
younger than 5 years of age were excluded as, below this age, it was very difficult to
clearly establish a disability status through activity of daily living and social
participation. Disability was defined as “the interaction between an individual
restriction or lack of ability to perform any given everyday activity due to an
impairment in functioning and the community and social resources, beliefs and
practices that enable or prevent a person from participating in all spheres of social
life and taking decisions that are relevant to his/her own future” (Trani and Bakhshi
2008, p. 6). 958 persons were identified as experiencing disability (physical,
sensorial, mental illness or intellectual disability) and invited to participate in the
survey, which included five modules addressing issues relating to health, education,
labour, livelihoods and income, and social network and participation. One non-
disabled person matching in age and gender from the same household was also
included in the survey. Finally a control person was randomly selected to complete
the questionnaire from one in every five households without disabled persons. This
yielded a total of 2696 questionnaires. The non-respondent rate (mainly due to the
absence of a respondent in the household after several visits in urban areas) was
0.3%. Respondents were asked to provide written or verbal (when illiterate) consent
and could refuse to participate at any point. Nomadic people were de facto excluded
from this survey except when they were settled in a selected village where the survey
was on-going.
The screening and main-stage questionnaires were developed jointly with the
main stakeholders working on disability in Afghanistan and revised by a team of
researchers from Johns Hopkins Bloomberg School of Public Health and the Indian
Institute of Health Management. The questionnaire was informed by findings of a
qualitative study which was conducted by the research team in order to understand
the definitions and the perceptions of disability adopted among Afghan population, to
establish culturally acceptable approaches to questionnaire development (Trani,
Bakhshi et al. 2006). Previous work on Afghan perceptions of disability was also
used to refine the questionnaire (Thakkar, Cerveau et al. 2004). The questionnaire
was pilot tested in urban and rural clusters in Kabul province.
The survey received ethical approval from the Johns Hopkins Bloomberg
School of Public Health.
Analysis
Main measures
Two main outcomes are considered in the paper: self-assessed disability
score and a healthcare utilisation measure is based on self-reported PHF use:
number of visits to the PHF in the previous year, or on medical expenses in Afghani1
spent by the patient during the same period (fees, medication and transportation
costs, expenses associated with care-taking and food intake during the period of
healthcare). PHFs are BPHS clinics, public hospitals and physiotherapy centres.
The disability score is based on the International Classification of Functioning,
Disability and Health (ICF) (WHO 2003) and on the capability approach of Amartya
Sen (Nussbaum and Sen 1993). The score comprises 9 dimensions: (i) autonomy for
daily functioning, (ii) contribution to housework, (iii) contribution to work outside the
house, (iv) communicating, (v) social interactions, (vi) cognitive function, (vii)
behaviour functioning, (viii) signs of depression or anxiety and (ix) episodes of
fits/seizure. We defined three categories: no disability is defined by absence of any
difficulty on any of the nine dimensions; mild and moderate disability is defined by at
least one mild or moderate difficulty on any dimension and absence of severe
difficulty on any dimension; severe and very severe disability is defined by at least a
severe difficulty on any dimension. For purpose of simplicity, we will refer to (1) no
disability, (2) mild disability and (3) severe disability in the analysis.
The main exposure of interest is the socioeconomic status (SES) of the
interviewee. Status is evaluated by an household asset index which gives a measure
of relative poverty (Trani, Bakhshi et al. 2010). It is calculated according to the Filmer
and Pritchett’s method of first factor principal components analysis (Filmer and
Pritchett 2001), then aggregated and weighted in order to balance the sampling and
the household effects. The asset index is composed of 29 indicators grouped into
three categories (40% poorest, 40%middle and 20% richest): household or individual
items (radio, television, cooker, oven, fridge, heater, generator, lamp, sewing
machine, bicycle, motorbike, car, tractor); household’s dwelling (toilet facilities,
sources of drinking water, sources of light, sources of cooking, number of rooms);
house ownership and landownership; ownership of animals (sheep, cows, goats,
donkeys, chicken and birds, roosters, horses or camels).
Other variables of interest
Health analyses were standardised by gender and age (starting at five years
old age at which it is possible to easily identify disability without a systematic medical
examination).
The second group includes the “non-needs” factors defined as the social
determinants that do not interfere directly with the health outcome, but that can affect
the interaction between health and SES or between healthcare utilisation and SES.
The variables were chosen according to the existing literature on equity of healthcare
access or utilisation (Morris, Sutton et al. 2005; Lu, Leung et al. 2007; Bornemisza,
Ranson et al. 2010). We identified: gender, marital status, ethnicity, working status,
education of the head of household; size of the household; marital status and
education of the respondent; rural or urban residence; level of insecurity in the area;
having enough to eat; availability of public healthcare services; usefulness of public
healthcare services; time to the closest health facility.
Concentration index and decomposition of the concentration index
The concentration index (CI) provides the degree of socioeconomic-related
inequality in disability status within the Afghan population. It allows for comparison
between countries when it is normalised. The CI shows the relationship between the
health variable (the disability score) and the ranking of the socioeconomic variable
(the household asset index). We compute the concentration index using the OLS
method that gives an estimate of the regression of the outcome variable on the
fractional rank of the asset index variable including the sample’s weight (Kakwani,
Wagstaff et al. 1997). The standard error (SE), the confidence interval and the tvalue of the CI were computed applying the Delta method (O’Donnell, Van Doorslaer
et al. 2008) that takes into account the sampling variability of all terms used in the
regression.
If there is perfect equality, the CI will be equal to zero. In case of maximum
inequality the absolute value of the CI will be one. By convention, the CI will be
negative when the health variable is disproportionately concentrated among the
poorest and positive when it is disproportionately concentrated among the richest.
In order to estimate the degree of unequal distribution of each variable across
the asset index quintiles, we decomposed the CI to examine the contribution of the
“needs” and “non-needs” factors. The decomposition also displays the sensitivity of
the health outcome to each factor, measured by the level of change in the disability
score due to a one percent change in the given factor (elasticity). Finally, the
contribution of each variable to the concentration index will be provided as well as the
inter-variables’ contribution (fixed commune effect). The variable contribution is the
product of the variable’s CI and its elasticity. The residual corresponds to the
socioeconomic-related inequality in health that is not explained by the model.
Horizontal inequality in healthcare utilisation
We compared the actual distribution of healthcare utilisation with the
distribution of health needs. The concentration index (or unstandardised CI) indicates
the degree of inequality in healthcare utilisation. As need for healthcare varies across
asset index groups, the degree of inequality in actual utilisation must be compared to
the degree of inequality in need for healthcare. The need for healthcare is estimated
using a probit model, as utilisation is modelled as a non linear function of the needs
factors (van Doorslaer, Wagstaff et al. 2000). We compared the probit model to a
linear regression model (OLS).
The model generates a need-predicted value of utilisation, indicating the
amount of healthcare an individual would have used if she was treated the same as
others with same health needs (van Doorslaer, Koolman et al. 2004). This is
interpreted as an individual predicted-need for healthcare. By analogy, a
concentration index of need-predicted utilisation can be defined based on a
concentration curve. In the probit model we also take into account the effect of the
non-need factors by controlling for them. The utilisation prediction depends on the
level of non-need factors selected, therefore the non-need factors were set equal to
their sample means. Controlling for the non-needs factors provides the needstandardised utilisation across asset groups.
We evaluated the horizontal equity by comparing the actual healthcare
utilisation (unstandardised) and the need-predicted utilisation within each asset
group. The horizontal inequity index is defined as twice the area between the needexpected utilisation curve and the actual utilisation curve. We also obtained the
horizontal inequity index by decomposing the unstandardised CI into contribution of
the need factors and non-need factors. The horizontal equity represents the
difference between the need-predicted CI and the unstandardised CI.
Analyses were weighted to allow for the multistage cluster sampling approach
taken in this study. We used Stata 11.1 for all calculation starting with the “svyset”
command in order to take into account the sample’s weight.
Results
Descriptive analysis
Figure 1 shows that the disability score is skewed to the right
(skewness=1.49) with a large number of observations without disability (Figure1).
Figure 1: Disability score distribution among the sample population
(approximately here)
Table 1 also summarises socioeconomic status as well as healthcare
utilisation indicators, need and non need variables comparing disabled and nondisabled people by severity of impairment.
Socioeconomic status
Figure 2 and Table 1 show that there is no major difference in wealth between
disabled and non-disabled people. Figure 2 further demonstrates that the distribution
of the wealth index is skewed to the right (skewness=1.70) with a mean at -0.008.
This indicates that most of the respondents are poor and no major variation in wealth
is identified among the Afghan population using this measure.
Figure 2: Wealth distribution among the sample population described by the
distribution of the principal component factor (approximately here)
Healthcare utilisation
Only 25% of respondents reported having used a PHF during the year
preceding the interview and the same proportion have had medical expenses. There
is no evidence that disabled people are using more or more frequently the public
health facilities than non-disabled people; they do not spend more money for their
health than non-disabled persons.
Need variables
The results show that 57% of the respondents are male. 54% are under 15
years old. Women are more represented among the mild/moderate disability group
than men; conversely, there is strong evidence than men are more represented
among the non-disabled group and the severe/very severe disability group. There is
also strong evidence that disability prevalence, whatever the level of severity is
higher among children than other age groups. A higher proportion of elderly
respondents are severely disabled.
Non need variables
Most of the “Non-needs” factors do not show differences between disabled
and non-disabled people. Almost all households are headed by an uneducated
married working male without any significant difference between disabled and non
disabled respondents. There is also very little evidence that disability affects
differently people according to their ethnic origin. Pashto and Hazara are less often
severely disabled. Conversely Tajik are more often disabled whatever the level of
severity, whereas Uzbek are more often mildly disabled and minority ethnic groups
severely disabled. Persons with disabilities live in households of same size than non
disabled people.
Level of satisfaction with health care services is quite high for all respondents:
67% of them declared that there is a PHF available in their area and 72% lived less
than one hour journey from the closest PHF; 71% found PHF useful.
There is some evidence that severely disabled people have less access to
school, are less often married and live more often than other respondents in rural
areas. People with severe disability reported more often that they always do not eat
enough than other categories, and there is a declining gradient from the non-disabled
to the very severe disability group for always eating enough.
Table 1: Disability, socioeconomic status, healthcare utilisation, need and non-need
factors (approximately here)
Concentration Index and decomposition of the concentration index
The CI calculated by OLS method has a positive but low value (0.0221) with a
95% confidence interval (-0.0114; 0.0555) that does not allow for definitely
concluding that there is a higher concentration of health among the wealthiest group.
Therefore, there is no major difference in disability within the ranking of the wealth
index groups.
The CI decomposition shows that non-need factors such as education of the
head of household, education of the respondent, place of residence and level of
insecurity are supporting an important part of the socioeconomic related inequality.
Yet, few non-need factors have a strong contribution to the total CI of the health
status due to low level of elasticity (Table2).
The common fixed effect of all these variables has the larger contribution and
there is a relatively important residual showing that our model does not fully explain
the CI decomposition. To conclude, we found that the various factors have opposite
effects resulting in a global disability CI close to zero.
Table 2: Decomposition of the concentration index for the disability score
(approximately here)
Decomposition of inequality in healthcare utilisation
In table 3, the negative “actual CI” of healthcare utilisation shows a pro-poor
distribution that means that poorest people are using more the public health services,
irrelative to their health needs. But the mean of utilisation distribution is not consistent
across the asset groups (either in the actual, need-predicted or need-standardised
distribution).
In our study, most of the wealth index groups have an actual utilisation of
PHF as expected (positive difference between predicted mean and actual mean).
The exception is the 40% middle group that used PHF approximately 0.6% less than
expected. Furthermore, this group uses PHF in average less than all the other
groups. These results do not vary significantly across models. Finally, the probit
model gives a negative horizontal inequity index that corroborates a slight pro-poor
distribution of the PHF utilisation. However, confidence intervals in all models include
zero making difficult any definitive conclusion about the pro-poor PHF utilisation.
Table 3: Distributions of Actual, Need-Predicted and Need-Standardised yearly visit
to a public health facility (approximately here)
Table 4 gives the CI decomposition of actual utilisation of PHF. The negative
contribution of the “non-needs” factors indicates that they, alone, would have a propoor effect on utilisation, whilst the positive contribution of the “needs” factors shows
a pro-rich effect. There is still a residual which is attributed to unknown “non-needs”
factors in the literature (van Doorslaer, Wagstaff et al. 2000; van Doorslaer, Masseria
et al. 2006). This suggests that unobserved “non-needs” factors have a pro-poor
contribution to the CI. (Bago d'Uva, Jones et al. 2009) found a similar result when
comparing a “conservative” approach and the “conventional” approach in the case of
European countries.
The horizontal inequity index is negative. This result suggests that the worseoff visit public health services in Afghanistan more often than richer people. However,
a horizontal inequity index close to zero indicates that there is no major difference in
utilisation of public health services across wealth groups.
Table 4: Decomposition of the concentration index of actual public health services
utilisation (approximately here)
Discussion
This paper explores the link between being poor or rich and the use of the
health system in Afghanistan. It assesses whether there is inequity in health and in
public health facilities utilisation linked to socioeconomic and environmental factors in
Afghanistan, including remoteness and insecurity. This is a major issue as equity of
healthcare access was a central tenet of the new Afghan health policy launched in
2002 (MoPH 2005a).
Our study shows that only a quarter of the population have used the public
healthcare services during the year preceding the interview. The literature indicates
that this low utilisation is not due to a negative perception of the quality of the
services provided, but rather due to their inaccessibility (Peters, Noor et al. 2007;
Steinhardt, Waters et al. 2009; Trani, Bakhshi et al. 2010). This rate of utilisation is
significantly below the BPHS objective of one consultation per person per year
(Sabri, Siddiqi et al. 2007). Furthermore, some authors argue that this objective of
one consultation per person per year is insufficient to ensure a good coverage of the
health needs of a given population. For instance, (Siddiqi, Kielmann et al. 2001)
reported that in the case of Pakistan, an average of 2.7 consultations per person and
per year was necessary to provide adequate healthcare.
Disabled people faced higher out-of-pocket medical expenditure. This is
possibly due to the fact that the BPHS was not effectively free of charge at the time
of the survey. Patients often had to pay particularly for medicines (Trani, Bakhshi et
al. 2006). On average, disabled persons have received less education than those
without disability. This is consistent with numerous studies that have largely
demonstrated that greater ill-health is associated with lower individual education or
lower education of the care taker (Morris, Sutton et al. 2005; Wagstaff 2005;
Hosseinpoor, Van Doorslaer et al. 2006). Persons with severe disability are also
reporting a lower food intake than non-disabled people or people with mild or
moderate disability.
This project was based on a national representative household survey and
therefore gives some interesting insight into the public healthcare utilisation and its
distribution among the Afghan population. Other studies have stressed the progress
made in health care delivery in Afghanistan and explored quality of care as well as
accessibility for users with various socioeconomic background (Steinhardt, Waters et
al. 2009). But these studies are not representative of the whole country as
respondents are generally surveyed in the surrounding of the health facility and they
do not explore specifically the issue of health equity.
Interestingly, a positive concentration index shows a pro-rich socioeconomicrelated health inequity. However, the confidence interval includes zero. Therefore, we
cannot form a definitive conclusion regarding socioeconomic inequity in health and
we cannot conclude from our calculation that rich people have a better health status.
This is due to the lack of variation in the wealth asset index, which shows that the
majority of the Afghan population is poor. There are too few rich people to
demonstrate a significant privileged health status. Similarly, it is difficult to make a
clear distinction between the wealth groups when measuring health equity and equity
of access to healthcare. Yet, the CI decomposition shows that educated Afghans,
those living in urban area and away from violence have better access to healthcare
services. Educated Afghans are aware of the importance of taking care of their health
and have both the resources and the network to access the best-equipped
healthcare facilities, both public and private, offering specialised medicine services in
the major urban centres.
In addition, inequalities linked to insecurity are also on the rise since the
present study was conducted. A recent assessment of the healthcare system showed
that with the resurgence of the armed conflict since 2005, many health facilities are
either closed or cannot be properly supplied and staffed in insecure rural areas
resulting in large communities left without suitable healthcare access; This is
particularly the case for women and girls because of the absence of female health
professional in insecure areas (Michael, 2011).
Conversely, the CI for PHF utilisation, after controlling for health needs, shows a propoor inequality. The “needs” factors slightly contributed to the pro-rich inequity whilst
the “non-needs” factors are clearly in favour of the poorest people. A significant propoor residual remains after decomposition showing that the model does not reflect
wholly inequality in healthcare utilisation. The conventional horizontal inequality index
close to zero indicates that there is no major inequity between rich and poor in PHF
utilisation (Peters, Noor et al. 2007; MoPH 2008). We found no major variation
across asset groups, confirming this result. This differs from a study done in Jamaica
(van Doorslaer and Wagstaff 1998) which showed a clear gradient in the distribution
of the mean of utilisation of healthcare facilities. The absence of difference in
healthcare utilisation is due to the extreme and pervasive poverty in Afghanistan.
Such state of pervasive poverty constitutes a major obstacle to achieve the objective
of targeting - and ensuring better access to - the poorest and most vulnerable
groups. For instance, a pilot programme attempted to provide waiver cards to very
poor and female-headed households in catchment areas of 26 healthcare facilities.
Findings showed that beneficiaries of waiver cards were more likely to seek care for
disease than those without cards. Yet, the evaluation also showed difficulty to target
the poorest and female-headed households, the need for more cards to distribute as
all poor households were not covered and the fact that other types of barriers, mainly
financial, remained to accessing care (money for treatment, lack of transportation
and lack of money for transport were the main barriers mentioned) (Steinhardt,
Waters et al. 2009). Generalised poverty in a context of conflict also highlights the
intricacy of developing a long-term sustainable healthcare system financing strategy.
Currently, the international assistance finances the BPHS and it seems unrealistic to
rely on user fees in the sort to middle term. Community health financing (CHF), as an
alternative to user fees does not offer alone a strong alternative as an experiment
has shown that enrolment in the scheme was limited and health expenditures at the
community level were not reduced (Rao, Waters et al. 2009).
Additionally, evidence from our research suggests that major constraints
affect equitable healthcare service delivery in Afghanistan as shown in the existing
literature. Among these, the level of insecurity reduced the likelihood to use the
health system for the most vulnerable (Bristol 2005) (Morikawa 2008) (Sabri, Siddiqi
et al. 2007). Out of pocket expenditure remains high, representing an important
burden for poor households, with catastrophic expenses deepening poverty through
high debt to pay for healthcare. Out of pocket expenditure is the main source of
health financing, despite the Afghan Parliament 2008 decision to keep healthcare
theoretically free for users (Trani, Bakhshi et al. 2010; Michael, 2011). The recent
increase in insecurity has made delivery of healthcare services almost impossible in
all districts and provinces under control of the insurgency (MoPH 2008) (Michael,
2011). In many areas, the private sector is the only available source of healthcare but
the quality of the service offer is particularly low in remote and dangerous areas as
providers are hardly adequately trained. Moreover, lack of monitoring and evaluation
as well as of coordination of provincial services by the MoPH did not contribute to
curve corruption and mismanagement and explain a high level of under-spending of
the health budget (Michael, 2011). The geography of Afghanistan adds further
difficulty to equitable access to healthcare delivery, especially during winter when
large part of the country is isolated due to snow. Furthermore, the geographical
distribution of healthcare facilities does not reflect fully the distribution of the
population. The low operating cost, under USD five per capita, cannot ensure both
large coverage and high quality care and hardly any of the two. This situation raises
an ethical debate between cost-effectiveness and equitable access to healthcare
services for isolated population (Rice and Smith 2001).
Limitations of the study
The data used in the present study was collected during a multistage cluster
survey. The weighting process tried to counterbalance a limited cluster effect. The
disability score used here as a proxy for health needs has some limitation as it does
not perfectly reflect the capacity to benefit from healthcare. Yet it provides an
interesting proxy of health status as impairment is always associated with greater
health needs and disabled people are often among the poorest. In addition, the
disability status is a culturally sensitive topic that can introduce recall bias or
misreporting; the severe disability prevalence rate obtained was consistent with the
prevalence in similar contexts, which consolidate the validity and the acceptability of
this disability questionnaire. The limitations and the biases of disability surveys have
already been described elsewhere (Trani and Bakhshi 2008).
Regarding the measurement of socioeconomic-related health equity and
equity in healthcare utilisation, the main difficulty was that very few studies were
based on disability scores or activity of daily living as a health outcome indicator.
Instead, the asset index calculated with the first factor principal components analysis
is widely used as a proxy of wealth status, particularly in countries where people do
not have regular incomes – as is the case in Afghanistan. As noted above, the
decomposition of both concentration indices shows some residual. It indicates that
other social determinants might affect health inequality. Further research is needed
to examine the evolution of public healthcare services utilisation after the introduction
of a user fees ban in all BPHS facilities in 2008 (Steinhardt, Waters et al. 2009).
Finally, one could argue that the data from 2005 does not reflect the current
reality of health and healthcare in Afghanistan. Unfortunately, the increased violence,
lack of financial and human resources, widespread corruption and feeble State
capacity to monitor and coordinate the implementation of the BPHS explain that little
progress towards equitable service has been achieved in recent years (Michael,
2011).
Conclusion
This study is one of the few to look at equity in access to healthcare in
Afghanistan. It found that Afghan people had low access to public health care
facilities but that there was no significant inequity between rich and poor. Yet, the
level and distribution of health expenditure is a factor of inequity. Firstly, the per
capita budget does not account for differences in health needs and in healthcare
delivery barriers that can exist within the country or within provinces. Secondly, the
governmental expenditure on healthcare of 5 US $ per capita (PPP US $ in 2005) is
similar to the 9 US $ per capita in Pakistan, but much lower than the 2261 US $ per
capita in the UK the same year (WHO 2010). Given the poor health indicators, it will
be challenging to achieve the Millennium Development Goals without considerably
increasing the level of healthcare funding. The current situation of the healthcare
system in Afghanistan stresses the huge discrepancy that exists in healthcare
funding across the richest and poorest countries. As a result, we also observed such
important inequalities in health indicators and well-being. In Afghanistan, where a
high degree of deprivation exists and where very few people can be considered as
well-off, we argue that there is little possibility for resource distribution across social
groups through a taxation system to improve overall health of the population.
Therefore, in order to achieve an acceptable threshold level of health necessary for
achieving a good social participation, such a resource redistribution must take place
between countries, from the richest to the poorest (Acharya 2004). Other authors
argue similarly that the international community has to uphold its responsibility in
funding health sector in Afghanistan for several (many?) years to come (Steinhardt,
Waters
et
al.
2009).
At the time of the survey, the BPHS implementation was far off target and therefore it
could have been reassuring that this study does not show major socioeconomic
related inequity in disability and healthcare utilisation in Afghanistan. Conversely, it is
worrying that in 2005 only a quarter of the population was using the BPHS facilities,
considering the low level of health indicators. Yet, a recent assessment of the health
system demonstrates that the level of utilisation remains low and that the private
sector still constitutes the main provider of healthcare (USAID 2009(Michael 2011)
).
In addition, the level of funding of the healthcare system is insufficient to
address the Millennium Development Goals, Afghanistan’s extreme and pervasive
poverty.
Finally, ongoing violence makes delivery of the BPHS difficult or even
impossible in large areas of the country. Insecurity constitutes the main limitation to
the delivery of health service provision in many remote areas. Similarly, it prevents
NGOs from sending qualified staff in certain areas, particularly women staff. Our
findings and the recent development in Afghanistan tend to substantiate the
argument that peace, stability and security are preconditions to promote strategies
aiming at improving health equity. We therefore dispute the idea that the BPHS can
contribute to State building and legitimacy in the current context of bad governance
and high level of violence.
It will be crucial to continue to evaluate the impact of the BPHS policy and the
users’ fee ban through representative surveys that include the isolated population
and not only people living in the facilities’ catchment area. As addressed by Peters et
al. in 2007, it is also important to include indicators of health outcomes, coverage and
utilisation of facilities within the monitoring tools.
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Figure 2: Wealth distribution among the sample population described by the
distribution of the principal component factor
Table
1:
Descriptive
analysis
of
explanatory
variable
by
the
binary
disability
variable
and
with
the
categorical
disability
variable.
(The
cells
give
the
number
of
observations
recalculated
after
weighting
and
the
column
percentage)
Socioeconomic status
Asset Index
Poorest
Poorer
Poor
Total
Health care utilisation
Use of public facility
Not using
Using
Total
Number visit/year
No visit
1 visit
2 visits
3 visits+
Total
Medical expenses
No expenses
1-499 Afghanis
500-1999 Afs
2000-105000 Afs
Total
Need variables
Respondent gender
Male
Female
Total
Age group (years of age)
5 to 14
15 to 29
30 to 44
45+
Total
No Disability
302 (42.7%)
286(37.61%)
122(19.68%)
710 (100%)
No Disability
560(74,96%)
167(25,04%)
727 (100%)
Level of disability
Mild/moderate disability
432 (39.27%)
431(34.97%)
239(25.76%)
1102 (100%)
Level of disability
Mild/moderate disability
815(74,58%)
308(25,42%)
1123 (100%)
Severe/very severe disability
256(37.48%)
243(44.44%)
127(18.07%)
626 (100%)
Total
990(40.59%)
960(36.78%)
488(22.63%)
2438 (100%)
Severe/very severe disability
413(74,6%)
225(25,4%)
638 (100%)
Total
1788(74,74%)
700(25,26%)
2488 (100%)
Pearson
p=0.1262
Pearson
p=0,988
560(74,96%)
129 (19,05%)
30(4,84%)
8(1,15%)
727 (100%)
815 (74,58%)
223 (19,2%)
66(4,87%)
19(1,36%)
1123 (100%)
413(74,6%)
164(18,68%)
39(5,66%)
22(1,06%)
638 (100%)
1788(74,74%)
516(19,1%)
135(4,91%)
49(1,25%)
2488 (100%)
p=0,9986
564(75,95%)
108(15,34%)
37(6,95%)
15(1,76%)
724 (100%)
824(75,58%)
171(14,61%)
76(6,92%)
46(2,89%)
1117 (100%)
422(75%)
81(10,23%)
67(10,29%)
65(4,48%)
635 (100%)
1810(75,69%)
360(14,59%)
180(7,18%)
126(2,53%)
2476 (100%)
p=0,5157
Severe/very severe disability
376(69,72%)
262(30,28%)
638 (100%)
Total
1436(57,96%)
1052(42,04%)
2488 (100%)
226(65,72%)
116(11,36%)
110(9,93%)
186(12,99%)
638 (100%)
1042(52,19%)
624(24,43%
400(12,89%)
422(10,49%)
2488 (100%)
P < 0.0001
No Disability
509(70,03%)
218(29,97%)
727 (100%)
258(35,36%)
269(36,11%)
127(18,1%)
73(10,43%)
727 (100%)
Level of disability
Mild/moderate disability
551(46,07%)
572(53,93%)
1123 (100%)
558(64,36%)
239(16,52%)
163(8,94%)
163(10,17%)
1123 (100%)
Pearson
P < 0.0001
Level of disability
Non-need variables
Household head gender
No Disability
Mild/moderate disability
Severe/very severe disability
Total
Pearson
Man
Woman
Total
Household head marital status
698(96,94%)
29(3,06%)
727 (100%)
1077(96,49%)
46(3,51%)
1123 (100%)
611(97,84%)
27(2,16%)
638 (100%)
2386(96,78%)
102(3,22%)
2488 (100%)
p=0,6681
Yes
No
Total
Household head ethnicity
Pashto
Tajik
Uzbek
Hazara
Other
Total
Household head activity
Not working
Working
Total
Household head education
No school
Primary school
Secondary school or more
Total
Size of the household
1 or 2 members
3 members
4 members
5 members
6 members
7 members
8 members
9 members and more
Total
Respondent marital status
No
Yes
Total
Respondent education
Yes
No
Total
Place of residence (urban/rural)
Urban
Rural
Total
Level of insecurity
No risk
Moderate risk
High risk
Total
Enough food
Always enough
Sometimes not enough
Frequently not enough
659(92,04%)
68(7,96%)
727 (100%)
1033(93,24%)
90(6,76%)
1123 (100%)
580(95%)
58(5%)
638 (100%)
2272(92,86%)
216(7,14%)
2488 (100%)
360(48,05%)
201(27,14%)
71(11,73%)
61(8,8%)
34(4,29%)
727 (100%)
555(49,96%)
348(32,68%)
89(6,18%)
89(6,98%)
42(4,21%)
1123 (100%)
313(43,28%)
193(31,71%)
52(10,17%)
46(5,03%)
34(9,81%)
638 (100%)
1228(48,65%)
742(30,26%)
212(8,82%)
196(7,6%)
110(4,66%)
2488 (100%)
P = 0.0519
135(15,63%)
592(84,37%)
727 (100%)
200(17,59%)
923(82,41%)
1123 (100%)
118(12,16%)
520(87,84%)
638 (100%)
453(16,35%)
2035(83,65%)
2488 (100%)
P = 0.4309
502(62,05%)
57(9,36%)
168(28,6%)
727 (100%)
709(57,29%)
111(12,47%)
303(30,24%)
1123 (100%)
423(67,87%)
55(5,55%)
160(26,59%)
638 (100%)
1634(60,09%)
223(10,64%)
631(29,28%)
2488 (100%)
p=0.21
8(0.47%)
28(2.08%)
54(4.89%)
81(8.62%)
99(10.99%)
74(8.27%)
85(13.69%)
298(50.99%)
727 (100%)
24(0.85%)
53(2.58%)
77(5.56%)
105(6.49%)
120(7.48%)
140(9.57%)
145(12.79%)
459(54.68%)
1123 (100%)
23(1.56%)
24(2.81%)
46(4.78%)
65(9.33%)
68(4.14%)
65(9.5%)
81(18.6%)
266(49.3%)
638 (100%)
55(0.74%)
105(2.38%)
177(5.22%)
251(7.6%)
287(8.72%)
279(9.01%)
311(13.6%)
1023(52.72%)
2488 (100%)
423(54.89%)
304(45.11%)
727 (100%)
722(74.68%)
401(25.32%)
1123 (100%)
387(74.17%)
251(25.83%)
638 (100%)
1532(66.27%)
956(33.73%)
2488 (100%)
P <0.0001
299(43.17%)
428(56.83%)
727 (100%)
474(52.38%)
649(47.62%)
1123 (100%)
161(42.29%)
477(57.71%)
638 (100%)
934(47.74%)
1554(52.26%)
2488 (100%)
P=0.0163
182(27.26%)
545(72.74%)
727 (100%)
336(31.42%)
787(68.58%)
1123 (100%)
188(20%)
450(80%)
638 (100%)
706(28.81%)
1782(71.19%)
2488 (100%)
P=0.0899
408(57.76%)
131(15.39%)
188(26.84%)
727 (100%)
706(61.24%)
172(12.31%)
245(26.44%)
1123 (100%)
372(58.78%)
122(16.31%)
144(24.92%)
638 (100%)
1486(59.59%)
425(13.91%)
577(26.5%)
2488 (100%)
395(55.57%)
106(14.21%)
129(17.25%)
536(48.68%)
196(19.91%)
208(18.13%)
259(35.77%)
112(18.57%)
152(27.28%)
1190(50.63%)
414(17.4%)
489(18.43%)
p=0,4474
P=0.1645
p=0.662
p=0.0247
Always not enough
Total
Availability of public facility
No
Yes
Total
Non-need variables
Usefulness of public facility
No
Yes
Total
Time to closest public facility
<30mn
30mn-1h
1h-2h
>2h
Total
97(12.97%)
727 (100%)
183(13.29%)
1123 (100%)
115(18.38%)
638 (100%)
395(13.53%)
2488 (100%)
227(28.92%)
500(71.08%)
727 (100%)
399(35.47%)
724(64.53%)
1123 (100%)
222(34.18%)
416(65.82%)
638 (100%)
848(32.6%)
1640(67.4%)
2488 (100%)
Severe/very severe disability
171(31.94%)
467(68.06%)
638 (100%)
Total
703(28.43%)
1785(71.57%)
2488 (100%)
301(42.5%)
143(26.39%)
99(20.95%)
95(10.15%)
638 (100%)
1171(50.54%)
534(20.86%)
388(14.67%)
395(13.93%)
2488 (100%)
No Disability
185(24.57%)
542(75.43%)
727 (100%)
322(46.88%)
160(22.17%)
129(15.95%)
116(15%)
727 (100%)
Level of disability
Mild/moderate disability
347(31.16%)
776(68.84%)
1123 (100%)
548(54.81%)
231(18.93%)
160(12.66%)
184(13.6%)
1123 (100%)
Note: Cells give the number of observations recalculated after weighting and the column percentage
p=0.0886
Pearson
p=0.0635
p=0.0638
Table 2: Decomposition of the concentration index for the disability score.
Concentration
Explanatory variables
Elasticities
Contributions
indices
Percentage
Contributions
Need factors
Respondent gender
0,1059
0,0400
0,0042
0,1922
Age group (years of age)
-0,0460
-0,0017
0,0001
0,0036
Household head gender
-0,0005
0,0250
0,0000
-0,0005
Household head marital status
-0,1247
-0,0004
0,0001
0,0025
Household head ethnicity
0,0929
0,0397
0,0037
0,1670
Household head activity
-0,0383
-0,0010
0,0000
0,0017
Household head education
0,0072
0,1716
0,0012
0,0560
Size of the household
-0,4662
0,0103
-0,0048
-0,2171
Respondent marital status
-0,0255
-0,0057
0,0001
0,0067
Respondent education
-0,0147
0,1394
-0,0020
-0,0929
Place of residence (urban/rural)
-0,0035
0,3859
-0,0014
-0,0613
Level of insecurity
-0,0254
-0,2328
0,0059
0,2686
Enough food
0,1083
0,0021
0,0002
0,0105
Availability of public facility
-0,0549
-0,0261
0,0014
0,0650
Usefulness of public facility
-0,0256
-0,0458
0,0012
0,0531
Time to closest public facility
-0,0432
-0,0795
0,0034
0,1558
Fixed commune effects
-0,0081
-0,3653
"Residual"
0,0166
Total
0,0220
Non-need factors
Table 3: Distributions of Actual, need-predicted and Need-Standardised yearly visit to a public health
facility.
Probability of using a public Health Service during the previous year
Probit with controls
Need-standardised
With controls
Without controls
Asset
categories
(quintiles)
Actual
Needpredicted
Difference
(PredictedActual)
Probit
OLS
Probit
OLS
Poorest
Middle
Richest
0,2808
0,2573
0,3156
0,2638
0,2635
0,2711
0,0170
-0,0062
0,0444
0,2817
0,2585
0,3091
0,2816
0,2585
0,3092
0,2814
0,2583
0,3101
0,2814
0,2584
0,3100
Mean
CI
SE
t-ratio
0,2785
-0,0156
0,0202
-0,7710
0,2652
0,0020
0,0026
0,7651
0,0133
0,2780
-0,0175
0,0201
-0,8727
0,2781
-0,0176
0,0201
-0,8778
0,2780
-0,0171
0,0201
0,08507
0,2780
-0,0172
0,0201
-0,8576
Table 4: Decomposition of the concentration index of actual public health services utilisation using OLS
method.
Contribution to the
concentration index of
healthcare utilisation
“Needs” factors contribution
“Non-needs” factors contribution
Residual
Actual Concentration Index CI
Horizontal Inequity Index HI= CI –“needs” factors contribution
1
50
AFN=1
US$
in
2005
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0,0003
-0,0013
-0,0146
-0,0156
-0,0159