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Determinants of health seeking behavior for chronic non-communicable diseases and related out-of-pocket expenditure: results from a cross-sectional survey in northern Bangladesh

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Abstract

Background

In spite of high prevalence rates, little is known about health seeking and related expenditure for chronic non-communicable diseases in low-income countries. We assessed relevant patterns of health seeking and related out-of-pocket expenditure in Bangladesh.

Methods

We used data from a household survey of 2500 households conducted in 2013 in Rangpur district. We employed multinomial logistic regression to assess factors associated with health seeking choices (no care or self-care, semi-qualified professional care, and qualified professional care). We used descriptive statistics (5% trimmed mean and range, median) to assess related patterns of out-of-pocket expenditure (including only direct costs).

Results

Eight hundred sixty-six (12.5%) out of 6958 individuals reported at least one chronic non-communicable disease. Of these 866 individuals, 139 (16%) sought no care or self-care, 364 (42%) sought semi-qualified care, and 363 (42%) sought qualified care. Multivariate analysis confirmed that the following factors increased the likelihood of seeking qualified care: a higher education, a major chronic non-communicable disease, a higher socio-economic status, a lower proportion of chronic household patients, and a shorter distance between a household and a sub-district public referral health facility. Seven hundred fifty-four (87 %) individuals reported out-of-pocket expenditure, with drugs absorbing the largest portion (85%) of total expenditure. On average, qualified care seekers encountered the highest out-of-pocket expenditure, followed by those who sought semi-qualified care and no care, or self-care.

Conclusion

Our study reveals insufficiencies in health provision for chronic conditions, with more than half of all affected people still not seeking qualified care, and the majority still encountering considerable out-of-pocket expenditure. This calls for urgent measures to secure better access to care and financial protection.

Background

Chronic non-communicable diseases (CNCDs) are controllable, although not curable conditions [1] that persist in individuals for a prolonged time, usually without any known transmitting agents [2]. The World Health Organization (WHO) highlighted that 68% of total worldwide deaths in 2012 were caused by CNCDs, and that three quarters of these deaths occurred in low- and middle-income countries (LMICs). Southeast Asia faced the highest increase in CNCD deaths [3].

Still, research on CNCDs in Southeast Asia is scarce, and it is mostly limited to establishing the prevalence of CNCDs and the associated risk factors [4, 5]. Little is known about how CNCD cases interact with the health system, with patients’ health-seeking choices, and with related out-of-pocket expenditure (OOPE) [6].

Likewise, Bangladesh has limited CNCD research, mostly focused on assessing the prevalence of selected CNCDs and their risk factors [7]. Although CNCDs account for 61% of the total disease burden in Bangladesh [8], few studies have explored related health seeking, and were concentrated in demographic surveillance sites in southern and central Bangladesh [9, 10]. Even fewer studies exist on OOPE for CNCDs, although evidence indicates that households affected by CNCD deaths are more likely to be impoverished [11].

The lack of information on health seeking choices and related expenditure makes it impossible to identify potential gaps in service provision and financial protection. In turn, an understanding of potential system failures in adequately addressing CNCDs is essential for designing policy reforms and programs that can effectively counteract the challenge posed by CNCDs, encourage movement towards universal health coverage, and consequently secure progress towards the Sustainable Development Goals (SDGs).

We aimed to fill this existing knowledge gap by exploring health-seeking behavior for CNCDs, its determinants, and related household OOPE in northern Bangladesh.

Methods

Study settings

Data for our study was collected in Rangpur district, located in northwestern Bangladesh. The district, which has a population of about 3 million people [12], experiences the highest poverty rate in the country, with 42% of all people living below the national poverty line [13]. Rangpur’s health system reflects medical pluralism in Bangladesh: there co-exist public, private for-profit, and private not-for-profit providers [14]. Although CNCD policies are in place [15, 16], their implementation has been slack [8]. In the public sector, tertiary facilities are prime providers for CNCDs [8, 17] (e.g., Rangpur Medical College hospital), whereas Upazilla Health Complexes (UHCs) offer basic services [17].

Sampling

We used data from a household survey of 2500 households conducted in June–July 2013. It was a baseline or scoping survey for an upcoming health insurance scheme. The aim of the survey was to understand the practices and the differences among the sub-districts where the program was supposed to be implemented. The rationales for purposive sampling were driven by the needs of the upcoming health insurance program. Multi-stage cluster sampling techniques were applied to identify the households to be included in the survey. A mixture of random and purposive selection techniques were applied at each stage of sampling (Fig. 1). First, the survey purposely selected 5 out of 8 sub-districts (i.e., Upazilla): Rangpur Sadar, Badarganj, Mithapukur, Pirganj, and Pirgacha. These five sub-districts were selected purposively out of the 8 sub-districts as a programmatic decision, as a health coverage scheme was supposed to be rolled out in these 5 sub-districts. Second, within each sub-district, the Sadar union (i.e., main town of the sub-district) was purposely selected, and another union from the remaining unions (5–17 unions per sub-district) was randomly selected. The purposive selection of 5 main towns of 5 sub-districts was also a programmatic decision, taken with the intention to see if the circumstances of a sub-district’s Sadar Union (i.e., main town) differs from the rest of the unions. In each sub-district, there is one union that is considered the main town (called Sadar Union), which is either an urban or peri-urban area, and the remaining unions are considered rural areas. Third, in each union, we randomly selected 5 out of 50–55 BRAC Shasthyo ShebikaFootnote 1 (SS), i.e., BRAC community health volunteers. Finally, we used systematic random sampling to select 50 households among each SS’s target population (150–200 households).

Fig. 1
figure1

Flow chart showing sampling techniques used to select survey households

Data collection

Trained enumerators administered a structured questionnaire to sampled households. Household heads and their spouses responded on behalf of all individuals living in a household. The questionnaire gathered information on the household’s socio-demographic and economic profile, self-reported illnesses (both acute and chronic conditions), and related health-seeking behavior, health expenditure, and participation in microfinance institutions. Enumerators also recorded the household’s Global Position System (GPS) location.

The survey defined chronic conditions as any condition that had lasted 3 months or more. The questionnaire explicitly probed for name and symptoms of chronic conditions expected to be included in a prospective insurance benefit package: hypertension, diabetes, asthma or chronic obstructive pulmonary disease (COPD), physical disability, joint pain or arthritis, cancer, chronic communicable conditions (tuberculosis, leprosy, kala-azar, and polio), and other chronic diseases. If respondents reported conditions beyond probed ones, they categorized it as “other conditions.” Because our focus was on CNCDs, we excluded chronic communicable conditions.

The Ethical Review Committee of the BRAC JPG School of Public Health, BRAC University reviewed and approved the study protocol shortly before data collection began in 2013. Interviewers obtained written informed consent from all respondents before interview.

Variables

We defined the primary outcome variable, health-seeking behavior, as the type of care sought by individuals reporting at least one CNCD in the past 30 days. The survey gathered self-reported information of health-seeking behavior and related expenditure for the past 30 days rather than for a longer 12-month period, as shorter recall periods have minimal recall bias and are more accurate [18, 19]. Shorter recall periods are more appropriate when capturing micro level data than are longer recall periods [20]. Moreover, our study has followed a similar study done recently in Malawi (another low-resource setting like Bangladesh), where a 30-day recall period had been used to collect self-reported health-seeking information and expenditure related to chronic non-communicable diseases [21].

We categorized care seeking as: no care or self-care, semi-qualified professional care, and qualified professional care. From a conceptual viewpoint, this classification reflects real-life alternatives available in the pluralistic Bangladeshi context.

We defined instances as no care when a person did nothing to treat the reported condition and as self-care when a person engaged in treatment without the recommendation of a health provider, but instead followed their own advice or that of a family or friend [22]. We merged self-care and no care into one category owing to the low response rate, but applied the likelihood-ratio test in order to test beforehand for the feasibility of combining these two alternatives [23]. We defined instances as semi-qualified professional care when a person sought care from any allopathic or traditional provider with some degree of training and experience in primary care, but no specific expertise in CNCDs (e.g., medical assistants, village doctors, community health workers, drugstore keepers, and traditional healers) [9, 18, 22]. We defined instances as qualified professional care when a person sought care from registered and trained physicians (i.e., MBBS doctors) [9, 22].

We defined the secondary outcome variable as total OOPE, incurred while seeking CNCD care during the prior 30 days, irrespective of sought care type. Our estimate included self-reported expenses for consultation, medications, diagnostics, transportation, and other related direct costs (e.g., informal pay, and accommodation). We could not analyze the single cost components of total OOPE except for medication expenses, owing to respondents’ difficulty in recalling them. We did not collect information on indirect costs.

Our selection of explanatory variables was guided by Andersen’s model of health-seeking behavior [24]. We have listed all explanatory variables with a hypothesized association with primary outcome in Table 1. Most of them are self-explanatory and reflect standard measurement practice in analyses pertaining to health-seeking behavior [21, 22].

Table 1 Variables, their measurements, and hypotheses

To explore the effect of different CNCDs on care seeking while accounting for small numbers, we re-classified CNCDs into two groups: major CNCDs and minor CNCDs. Corresponding to disease burden estimates in Bangladesh and in South-Asia [15, 25, 26], we categorized hypertension, asthma/COPD, diabetes, and cancer as “major CNCDs” because they underlie the four leading causes of CNCD deaths: cardiovascular diseases, respiratory diseases, cancer, and diabetes [3, 25]. We categorized the remaining conditions as “minor CNCDs” (chronic joint pain or arthritis, physical disability, chronic gastro-intestinal conditions, and other CNCDs), as they impose a lower disease burden [25, 26] and are less central in the local discourse on CNCDs [15, 25, 26].

We included being a household head as an explanatory variable because we expected intra-household allocation of resources to be in his/her favor, as shown by a prior study in Malawi [21]. We included microfinance participation (by the household head and/or his/her spouse) because we postulated that it may facilitate access to resources and therefore to care [27]. We included the presence of an acute illness episode in the household in the prior 30 days because we assumed a reduced ability to seek CNCD care owing to competing health needs within a context of limited household resources [28]. Socio-economic status was measured by constructing asset quintiles, a relative score obtained by assembling household belongings, calculated by principal component analysis (PCA) [29]. The following household assets were factored in: house ownership, house infrastructure (roof material, type of toilet, number of rooms), primary source of drinking water, cooking fuel, light source (electricity, kerosene oil, or candles), land ownership, durable assets ownership (bicycles, tri-cycled van or rickshaw, motor-bikes, cars, other motorized vehicles, tube-wellFootnote 2, pondFootnote 3, sewing machine, television, computer, and gold), and animal ownership (cows, goats, hens, ducks, pigeons). To generate cutoff points, we simply used quintiles; hence, after ordering the index, we defined a quintile in relation to the 20% of the population below a given index value.

To test the effect of distance on access to care, we included a measure of distance by computing the shortest ellipsoidal length between the household GPS coordinates and the sub-district public referral health facility. We used the sub-districts’ public referral facilities in this computation because they are expected to provide CNCD services [8, 17].

Analytical Approach

We conducted our analysis using STATA IC 13. We considered all results with P values less than 0.05 as statistically significant. We used univariate and bivariate descriptive statistics (analysis of variance-ANOVA, chi-square, or Fisher’s exact test) to explore the distribution of the variables and to identify associations with health-seeking behavior.

We used multinomial logistic regression (MNL) to confirm the associations identified in the bivariate analysis, between explanatory variables and health-seeking choices. We used MNL because our primary outcome variable included three answer categories (no care or self-care, semi-qualified professional care, and qualified professional care). The equation is [23] as follows:

$$ \Pr \kern0.28em \left(\mathrm{y}=\mathrm{m}|\kern0ex \mathrm{x}\right)=\frac{\exp \left({\mathrm{x}\upbeta}_{\mathrm{m}\mid 3}\right)}{\sum \limits_{\mathrm{j}=1}^{\mathrm{J}}\exp \left({\mathrm{x}\upbeta}_{\mathrm{j}\mid 3}\right)},\mathrm{for}\kern0.28em m=1,2\kern0.28em or\kern0.28em 3 $$

Here “m = 1” is seeking no care or self-care, “m = 2” is seeking semi-qualified professional care and “m = 3” is seeking qualified professional care. We set care by qualified professionals as the base category because they are considered the highest-level health providers in Bangladesh [9, 22, 30] and are expected to provide adequate CNCD care. By setting them as a reference category, we effectively measured which individual, household, and contextual characteristics prevented people from accessing proper care.

We used a step-up approach to build our MNL model [31]. We started by running the MNL model with intercept only. We progressively added one explanatory variable each time to the model, privileging variables that had shown a significant association in bivariate analysis. After adding a new variable, we tested the model against the prior model using the likelihood ratio test. If the prior model was nested in a later model including an additional variable, then we kept the added variable. If not, we dropped the added variable. We repeated this process until we identified the final model. This approach explains why the final model contains fewer variables than those we had originally considered. We used the Hausman test and Small-Hsiao test to test the model assumption of Independence of Irrelevant Alternatives (IIA) [23].

We analyzed OOPE and its components in Bangladeshi Taka (BDT) (1USD~78 BDT as of June–July, 2013, when data was collected). We used univariate descriptive statistics (5% trimmed mean and range (minimum-maximum), and median) to explore expenditure patterns and their distribution across health-seeking choices, individual, household, and contextual characteristics.

Results

We collected information on a total of 10,367 individuals, of which 6958 people were aged 15 years or above, and were therefore included in our analysis on CNCDs. Among those, 866 (12.5%) reported a total of 925 CNCDs. The characteristics of the entire sample and the respondents who had at least one CNCD are given in Table 2.

Table 2 Socio-demographic and CNCD-related characteristics of entire sample and CNCD respondents

The three most commonly reported CNCDs were chronic joint pain/arthritis (n = 162), asthma/COPD (n = 151), and hypertension (n = 105) (Table 3). Among individuals with at least one CNCD, 139 (16%) sought no care or self-care, 364 (42%) sought semi-qualified care, and 363 (42%) sought qualified care (Table 4).

Table 3 Reported cases and proportions per CNCD category
Table 4 Bivariate analysis between type of health care-seeking behavior and explanatory variables, (N = 866)

Table 4 reports the bivariate analysis results between their health seeking choices and explanatory variables. We found a positive association between seeking no or self-care and longer illness duration (P = 0.05), increasing proportion of household CNCD members (P < 0.001), and Mithapukur residents (P < 0.001). Respondents with primary education or more (P = 0.01), major CNCDs (P < 0.001), and from 2nd and 3rd asset quintiles (P < 0.001) were less likely to seek no or self-care.

Longer illness duration (P = 0.05), increasing proportion of household CNCD patients (P < 0.001), presence of acute illness in a household (P < 0.001), longer distance from the sub-district’s public referral health facility (P = 0.05), and Mithapukur and Pirgacha residents (P < 0.001) were more likely to seek semi-qualified care. Major CNCD patients (P < 0.001) and respondents from higher asset quintiles (P < 0.001) were less likely to seek semi-qualified care.

Table 5 reports the results of MNL and model specifications. MNL analysis confirmed that respondents with primary education or more (β = − 0.624, P = 0.007), with major CNCDs (β = − 0.523, P = 0.03), and from 2nd (β = − 0.794, P = 0.03), or 3rd asset quintiles (β = − 0.841, P = 0.02) were less likely to seek no or self-care, compared to qualified care. It also confirmed that people from households with a higher proportion of CNCD patients (β = 1.561, P = 0.001), and from Mithapukur (β = 1.040, P = 0.01), were more likely to seek no or self-care than qualified care. However, MNL could not confirm associations between no or self-treatment and illness duration.

Table 5 Health-seeking behavior for CNCDs: estimated coefficients in multinomial logistic regression model

MNL analysis affirmed that households with a higher proportion of CNCD patients (β = 1.522, P < 0.001), a longer distance from the sub-district’s public referral health facility (β = 0.232, P < 0.001), urban respondents (β = 1.297, P = 0.01), and Mithapukur (β = 1.458, P < 0.001), or Pirgacha residents (β = 1.457, P < 0.001) were more likely to seek semi-qualified care, compared to qualified professional care, and respondents with major CNCDs (β = − 0.665, P < 0.001), and from 2nd (β = − 0.893, P = 0.001), 3rd (β = − 0.872, P = 0.002), 4th (β = − 0.783, P = 0.005), or 5th (β = − 0.987, P < 0.001) asset quintiles were less likely to seek semi-qualified care than qualified care. The MNL did not confirm associations between illness duration, the presence of an acute illness in a household, and the seeking of semi-qualified care.

Out of 866 respondents with a CNCD, 754 (87%) reported regarding OOPE in the prior 30 days, and 85% of total OOPE consisted of drug expenditure. Table 6 shows the distribution of total OOPE and drug expenses across variables. People who sought qualified professional care, people suffering from a major CNCD, the elderly (60 years old and above), and the least poor incurred the highest OOPE. Important differences were observed across sub-districts, with Mithapukur residents facing the lowest OOPE and Pirgacha residents facing the highest.

Table 6 Distribution of total out-of-pocket expenditure (OOPE) and expenditure for drugs (in BDT)

Discussion

Our work makes an important contribution to the limited pool of literature addressing health-seeking behavior for CNCDs and related OOPE, being one of the very few relevant studies in Southeast Asia, particularly in Bangladesh. Moreover, our study distinguishes itself from prior studies [9, 10] because, being based on population-based data, it addresses a wider spectrum of CNCDs experienced directly by the respondents.

One out of every eight respondents reported at least one CNCD, with the most commonly reported conditions being joint pain/arthritis, asthma/COPD, and hypertension. Despite our intention not to derive any epidemiological estimate of disease prevalence, our findings are consistent with prior evidence from INDEPTH surveillance sites in Asia, including Bangladesh [4].

Among those who reported at least one CNCD, an impressive 84% sought some sort of care. Contrary to previous findings [9, 10], our study showed an equal split between the seeking of qualified (42%) and of semi-qualified (42%) care. Furthermore, our findings indicated that irrespective of provider choice, individuals faced considerable OOPE, mostly owing to medication costs. Still, individuals who sought qualified care spent substantially higher amounts, suggesting a higher potential for catastrophic spending and impoverishment in this group. Substantial OOPE indicates that national policies stipulating CNCD prevention and control [15, 16] are failing to translate into a corresponding reality [8, 32], pushing people to purchase services and drugs at private providers [17]. This policy-implementation gap probably explains why such a large proportion of respondents bypassed the formal system and sought semi-qualified care. This obviously raises fundamental questions about the adequacy and quality of the care received [33], with important implications for disease control.

Among the individual characteristics affecting service provider choice, gender and education stand most prominent, and age to some extent. We found that lower education limits access to qualified care. This depicts the role of cultural capital (beyond socio-economic status) in shaping health seeking decisions [9] and urgently calls for interventions specifically reaching out to people with low educational levels. In contrast to prior literature on health seeking [9, 34], we found no evidence of a gender bias in health-seeking behavior and related expenditure. This appears surprising and calls for further qualitative inquiry to understand whether unexplored factors specific to CNCDs may mediate a different relation between gender and health-seeking behavior. Since our model could not be adjusted to control for illness reporting bias, we cannot exclude that in reality, gender plays a role already at the level of illness reporting, before the individual is even confronted with decision-making on seeking care [35]. Deeper understanding is essential to inform future policies and interventions. In line with prior studies from Bangladesh [34], we found higher health expenditure (CNCD-related expenditure in this study) among the elderly (60 years old and above). This finding is not surprising, since, consistent with economic theory [36], one would expect the need for medication to increase with age as health deteriorates. However, the finding is worrisome since it points at the potential for the elderly, i.e., those most in need, to forgo care owing to the fear of incurring high costs. Further qualitative inquiry is needed to clarify the role of age in mediating decisions concerning health-care seeking and specifically health spending.

The fact that individuals suffering from major CNCDs were more likely to seek qualified care and incur higher expenditure is likely a reflection of existing health system structures and policies [15], and emphasizes these conditions as the ones incurring the highest burden in the country. Additionally, given the importance that major CNCDs receive in the national discourse on CNCDs [15, 32], it is likely that cases of individuals affected by major CNCDs generate a higher degree of perceived severity [21] than do cases of minor CNCDs. As our study did not include a measure of perceived severity, qualitative inquiry is required to explore this issue further.

Our findings echo prior results from low-resource settings, showing that the chances of seeking qualified care decrease as the proportion of household members suffering from CNCDs increases [21]. This is likely the consequence of decisions on intra-household resource allocation, with heavily affected households having to ration health spending to avoid asset depletion [21, 28]. In line with prior evidence from Bangladesh [9, 22], appraising these findings jointly with findings indicating a higher propensity to use qualified care among the least poor, and with findings suggesting the regressive nature of OOPE, points at the existing gaps in population coverage and financial protection. In turn, recognition of these gaps calls for the urgent introduction of measures to ensure equitable access and financial protection for affected households.

Our study also identified an increasing distance to the sub-district public referral facility, as well as urban residence as factors affecting the probability to seek qualified care. While the relation between formal service use and distance is self-explanatory and has been widely documented, the relationship between urban residence and health choices appears surprising and requires further investigation. Similarly, the differences observed across sub-districts can only be explained and understood through further qualitative inquiry. It is plausible to assume that the difference observed across rural and urban contexts and across sub-districts is the result of specific features in the local health system organization, which could not be captured in our survey.

Conclusions

In a context where primary government facilities do not offer CNCD care [8], care seeking for CNCD remains problematic. Our study clearly identifies some key challenges and, in doing so, points to the urgent need to fill the policy-implementation gap.

Availability of data and materials

The data used for this study are not publicly available. Data can be requested from BRAC JPG School of Public Health, BRAC University, but restrictions may apply. Requests should be directed to Prof. Malabika Sarker, Professor, Director Research and Associate Dean, BRAC JPG School of Public Health, BRAC University.

Notes

  1. 1.

    Shasthyo Shebika (SS) are a set of female community health volunteers who are trained by BRAC to provide essential health care services in the communities. They are volunteers, not workers of BRAC; they are not paid by BRAC but earn money by selling basic medications and services. At present, numbers of SS have scaled up to nearly 100,000 from around 1,000 in year 1990, operating in all districts of Bangladesh.

  2. 2.

    Tube-wells are a source of drinking water. But not all households that have tube-wells drink water from them.

  3. 3.

    As the population’s health consciousness increases, ponds are less likely to be a source of drinking water: they are more of a household cleaning water source.

Abbreviations

ANOVA:

Analysis of variance

CNCDs:

Chronic non-communicable diseases

COPD:

Chronic obstructive pulmonary disease

GPS:

Global position system

INDEPTH:

International Network for the Demographic Evaluation of Populations and Their Health

LMICs:

Low- and middle-income countries

MBBS:

Bachelor of Medicine and Surgery

MNL:

Multinomial logistic regression

OOPE:

Out-of-pocket expenditure

PCA:

Principal component analysis

SDGs:

Sustainable development goals

SS:

Shasthyo Shebika

UHCs:

Upazilla health complexes

WHO:

World Health Organization

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Acknowledgements

The study was conducted in Bangladesh, by bHIP project under the BRAC JPG School of Public Health, BRAC University, in collaboration with BRAC. We acknowledge the excellent effort of bHIP team members, field staff and data management staff and support of BRAC, and the BRAC Health Nutrition and Population Program. We are also grateful to the households of Rangpur for kindly taking part in this study.

Funding

Funding for this survey was provided by the Rockefeller Foundation and BRAC to BRAC JPG School of Public Health, BRAC University. During the period of data analyses and manuscript writing, corresponding author Fatema Binte Rasul was supported by a sandwich PhD scholarship of USAID’s Next Generation of Public Health Experts Program.

Author information

MS, MDA, and HIA were responsible for design of the study, within which the household survey used for our analysis was embedded, with MS being the principal investigator. MDA and FBR defined the study protocol for the study presented in this paper, with support from OK and MS. FBR conducted the analysis, with support from OK and MDA. FBR drafted the manuscript. All authors provided substantial critical inputs to finalize the manuscript. All authors read and approved the final version of the manuscript.

Correspondence to Fatema Binte Rasul.

Ethics declarations

Ethics approval and consent to participate

The Ethical Review Committee of the BRAC JPG School of Public Health, BRAC University reviewed and approved the study protocol shortly before data collection began in 2013. Interviewers obtained written informed consent from all respondents before interview.

Consent for publication

Not applicable

Competing interests

The authors declare that they have no competing interests.

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Cite this article

Rasul, F.B., Kalmus, O., Sarker, M. et al. Determinants of health seeking behavior for chronic non-communicable diseases and related out-of-pocket expenditure: results from a cross-sectional survey in northern Bangladesh. J Health Popul Nutr 38, 48 (2019) doi:10.1186/s41043-019-0195-z

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Keywords

  • Non-communicable diseases
  • Chronic illness
  • Health-seeking behavior
  • Out-of-pocket expenditure
  • Multinomial logistic regression