Urban–Rural Differences in Health-Care-Seeking Pattern of Residents of Abia State,Nigeria,and the Implication in the Control of NCDs

Abstract

Background

Understanding the differences in care-seeking pattern is key in designing interventions aimed at improving health-care service delivery, including prevention and control of noncommunicable diseases. The aim of this study was to identify the differences and determinants of care-seeking patterns of urban and rural residents in Abia State in southeast Nigeria.

Methods

This was a cross-sectional, community-based, study involving 2999 respondents aged 18 years and above. Data were collected using the modified World Health Organization's STEPS questionnaire, including data on care seeking following the onset of illness. Descriptive statistics and logistic regressions were used to analyze care-seeking behavior and to identify differences among those seeking care in urban and rural areas.

Results

In both urban and rural areas, patent medicine vendors (73.0%) were the most common sources of primary care following the onset of illness, while only 20.0% of the participants used formal care. Significant predictors of difference in care-seeking practices between residents in urban and rural communities were educational status, income, occupation, and body mass index.

Conclusions

Efforts should be made to reduce barriers to formal health-care service utilization in the state by increasing health insurance coverage, strengthening the health-care system, and increasing the role of patent medicine vendors in the formal health-care delivery system.

Keywords

health care behavior formal care informal care patent medicine vendors Nigeria

Introduction

Over the past two decades, significant declines in mortality associated with noncommunicable diseases (NCDs) have been reported in developed countries. Available evidence suggests that this decline is attributable to both population-wide primary prevention and individual health-care interventions, including improvement in care-seeking behavior.¹ Healthcare-seeking behavior has been defined as any action undertaken by individuals who perceive themselves to have a health problem for the purpose of finding an appropriate remedy² or as a sequence of remedial actions that individuals undertake to rectify perceived ill health.³ It can also be described as the process of remedial actions that individuals accept for improvement of their perceived disease.^4,5 Health-care-seeking behavior is believed to be a summation of individual characteristics, the nature of the environment in which a person lives, and the interaction between individual and environmental factors. It includes issues of whether, when, and from where care is sought for an illness.⁶

An NCD is defined as a medical condition or disease that is noninfectious and non-transmissible among people.⁷ There are four main types of NCDs, which include cardiovascular diseases, cancers, respiratory diseases, and diabetes. Currently, NCDs are the leading causes of death and disease burden worldwide, accounting for nearly 38 million (68.0%) deaths out of 58 million deaths in 2012. Sixteen million (40%) of these deaths are considered premature, occurring in those aged less than 70 years. Furthermore, almost 75% of all NCDs-related deaths and majority of the premature deaths (82%) occur in low- and middle-income countries (LMICS). Risk factors for NCDs include smoking, alcohol use, physical inactivity, poor diet, and obesity.¹

Care-seeking behavior is a key factor influencing healthcare service utilization. It is also a major determinant of health outcomes, in that the timing of the initiation of care, the place where care is sought, and the type of treatment received often determine the duration, prognosis, and outcome of an illness. Delay in correctly and promptly diagnosing a disease and initiating appropriate treatment has been associated with increased disease morbidity and mortality.^5,8

Individual health-seeking behavior is crucial for personal, societal, and national development.⁹ Understanding care-seeking practices in a given society and determining the factors influencing care seeking should enable health systems to adapt strategies to respond to specific community perceptions about health and care. In addition, knowing a community's first treatment option is of crucial importance. That knowledge should help create and strengthen a care resource in the community, which can be used as a patient recruitment and referral point.⁴ Furthermore, understanding community health-care-seeking behavior should help in the optimization of allocation of health resources and distribution by supporting the planning and implementation of appropriate interventions to improve care-seeking practices in the community.^10–12

A number of studies have reported differences in healthcare-seeking behavior between urban and rural communities and the factors associated with those differences. These factors include internal and external factors.⁵ They include patient sociodemographic and socioeconomic characteristics such as gender, age, income, educational status, marital status, health literacy, and illness type and severity.^8,13 Other indicators are community-related and health-system-related factors such as the presence of significant others, including spouses and other family members, access and cost of health-care services, availability of heath resources and services, attitude of healthcare staff, convenience, payment mechanism, satisfaction with health-care services provided, community perception of a disease, and health belief model (HBM).^{3–5,8,13,14}

The HBM assumes that health behavior is determined by personal beliefs or perceptions about a disease and the measures available to reduce its occurrence. Originally, there were four main constructs of the model, perceived seriousness of the problem, perceived susceptibility of the problem to a remedy, perceived benefits of treatment, and perceived barriers to treatment. More recently, the model has been expanded to accommodate other constructs such as cues to action, motivating factors, and self-efficacy. It is believed that each of these can either individually or in combination with others influence health behavior.¹⁵

Mechanic David had earlier identified a wide range of cultural and social factors influencing how people respond to illness, among which are the following¹⁶:

•

Visibility or recognizability of symptoms

•

Perceived seriousness of symptoms

•

Extent to which symptoms disrupt family, work, and other social activities

•

Frequency of the appearance of symptoms, their persistence, or frequency of recurrence

•

Tolerance threshold of those who are exposed to and evaluate the deviant signs and symptoms

•

Available information, knowledge, and cultural assumptions and understandings of the evaluator

•

Needs competing with illness response

•

Competing possible interpretations that can be assigned to the symptoms once they are recognized

•

The availability of treatment resources, physical proximity, and psychological and monetary costs of taking action

Both the HBM and Mechanic's work clearly emphasize that interventions aimed at improving health status of individuals, and communities should be focused at addressing factors influencing individuals’ willingness to engage in health-care-seeking behavior.

In Nigeria, few studies have investigated health-care utilization patterns in relation to care-seeking behavior, and most of these efforts focused on reproductive health and NCDs.^17–22 However, the rising prevalence of NCD-related morbidity and mortality in the country¹ underlines the need to assess individual's care-seeking practices in relation to NCD prevention and control. Anecdotal evidence suggests that people affected by NCDs often do not often seek appropriate care in the early stages of an NCD, because the onset of most NCDs is insidious and progression is slow.

Furthermore, lack of access to NCD screening services in many communities means that most patients present to health facilities in the later stages of such diseases, after complications have arisen.²³ A review of literature showed that few studies have examined differences in health-seeking behavior among urban and rural communities, as it relates to NCDs in LMICS. This study therefore aimed at identifying urban–rural differences in health-care-seeking behavior and its implications in the control of NCDs among residents of a single state in an African nation.

Methods

Data

The research was carried out in Abia State in southeast Nigeria as part of the study of NCDs in the state. A survey emphasizing NCDs and their risk factors was conducted between August 2011 and April 2012. The estimated population of the state as of 2015 was 3,601,916, based on the 2006 population and an annual estimated growth rate of 2.8%.²⁴ The study population consisted of all individuals aged 18 years and above, who had been a resident in the state for at least six months prior to the time of the survey.

This was a community-based, cross-sectional study. The final, estimated minimum required sample size for the study was 2800 participants aged 18–78 years, after adjusting for design effect and age–sex estimates. This target sample size was further adjusted upward to 3200 in anticipation of a 10% nonresponse rate.

Pregnant women were excluded because of pregnancy-related changes in anthropometry, blood pressure, and bio chemical parameters. Chronically ill and debilitated individuals who lacked the physical and mental ability to live independently were excluded from the study because of their inability to consent to or participate in the survey.

Study participants were selected using a multistaged sampling technique. The state is statutorily divided into 3 senatorial zones and has 17 Local Government Areas (LGAs) (Fig. 1). The LGAs in the state were stratified by senatorial zone and locality. From each senatorial zone, a representative urban and rural LGAs were selected by simple random sampling. In Nigeria, an urban area is defined as an area with a population size of ≥20,000 people, with basic social and physical infrastructure and so designated through a legal or administrative instruments.²⁵ This strategy was used in the present study to identify urban and rural areas for inclusion in the survey.

Figure 1

Map of Abia State showing the 17 local government areas.

From each LGA, four enumeration areas (EAs) were selected by simple random sampling technique from the list of EAs in the LGAs. The maps and previous listing of houses/households in each selected EAs were updated with the help of the staff of the National Population Commission. From a prominent landmark in a selected EA, households were identified and eligible respondents were recruited moving in a clockwise direction. Not more than two eligible participants of opposite sex were selected from each household until a total of 120 participants were selected from each EA.

Ethical approval for the study was obtained from Abia State Ministry of Health, Umuahia, while written consent was obtained from each study participants after explanation of the purpose, procedure, benefits, and risks associated with the survey. In addition, the study was conducted in compliance with Helsinki Declaration.

Measurements

Data were collected by a team of trained health-care workers under the supervision of the survey project team composed of three public health consultants: a nephrologist, a cardiologist, and a health program manager with the State Ministry of Health. Using a modified World Health Organization's (WHO) STEPS questionnaire,²⁶ responses were elicited from the respondents in both English and Igbo languages on the following: sociodemographic characteristics, income (daily, weekly, or monthly income [in Naira] depending on the nature of occupation), use of alcohol, history of smoking, physical activity, history of diabetes mellitus or hypertension, and places where treatment was sought following the onset of illness.

In addition, anthropometry and blood pressure measurements were performed for all the respondents, and half had their blood sugar measured using ACCU-CHECK glucometer (Roche Diabetes Care Ltd). The interviewers used bathroom scales for weight measurement, while height was measured using stadiometer. Blood pressure was measured digitally twice at five-minute intervals, using Omron M2 Digital Blood Pressure (OMRON Healthcare Europe B.V.). The final blood pressure measurement was an average of the two readings. Average duration of administration of the questionnaire and measurements was 30 minutes.

Hypertension was defined to include individuals with a known history of hypertension and also those diagnosed with hypertension during the survey (systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg). Diabetes was also defined as individuals with known history of diabetes and also those diagnosed with diabetes during the survey using fasting blood sugar level of ≥126 mg/dL or random blood sugar of ≥180 mg/dL.

The respondents’ age was estimated in years and was categorized as follows: 18–39, 40–59, and ≥60 years. Income data were analyzed for 2006 (69.3%) respondents who provided information on their income; however, those who did not respond to question on income, students, and those currently unemployed were excluded from the analysis of income. Income status was categorized into low <N100,000/annum and high ≥N100,000/annum. Body mass index (BMI) was classified into two categories: normal weight <25 kg/m² and overweight/obesity ≥25 kg/m². Alcohol use was defined by those with a history of alcohol ingestion in the last 12 months. Physical activity level was first measured in metabolic equivalent of task (MET) minutes per week and was then categorized as follows: ≥600 MET minutes/week as moderate–high level of physical activity and <600 MET minutes/week as low level of physical activity in accordance with WHO's recommendations on physical activity for health.²⁷

Seeking formal health care was defined as seeking care from trained health-care providers (doctor, nurse, or community health extension workers working in a health facility hospital/clinic or health center). Seeking informal care was defined as seeking help from other individuals such as patent medicine vendors (PMVs), also known as chemists, traditional healers, spiritualists, or self-medication.

Analysis strategy

The data were collected and entered by double entry by two data entry clerks into epi-data²⁶ and were exported to SPSS. Analysis was performed using SPSS version 21.0 (SPSS Inc.). Descriptive and frequency statistics were used to determine the general characteristics of the study population. Association between individual characteristics and differences in health-care seeking between urban and rural areas was evaluated using chi-squared test, with a P-value of <0.05 assumed to be statistically significant.

Multivariate logistic regression analysis was used to identify differences in seeking formal care between individuals living in urban and rural communities in the state. The dependent variable was the site where formal care was sought–-urban or rural, while the independent variables included factors that were found to be significantly associated with formal care seeking in the bivariate analysis. They included age, educational status, occupation, income, and BMI. The significance of odds ratio was assessed using 95% confidence intervals (95% CI), adjusted for the use of a multistage sample.

Results

A total of 2999 participants were recruited for the survey. The relevant sections of the instrument were completed by 2983 participants, which was 90% of the original targeted sample size. Table 1 shows the characteristics of the respondents by locality.

Table 1

General characteristics of the respondents by urban/rural residence.

CHARACTERISTIC	URBAN n = 1396 (%)	RURAL n = 1587 (%)	χ²	P-VALUE
Age (in years)
18–39	59.8	48.8
40–59	24.4	27.4	42.98	<0.001
≥60	15.8	23.8
Mean (SD)	39.3 ± 17.4	43.9 ± 19.2
Gender
Male	50.1	46.1	4.79	0.03
Female	49.9	53.9
Marital status
Married	53.7	62.3	22.73	<0.001
Not married	46.3	37.7
Educational status
<Secondary	26.5	43.0	88.5	<0.001
≥Secondary	73.5	57.0
Occupation
Professional/skilled	19.1	12.5
Semi-skilled	21.8	18.3
Unskilled	28.4	43.1	92.96	<0.001
Unemployed/students	30.7	26.1
Average annual income (in Naira)	n = 929	n = 1077
<100,0000	41.8	57.2	47.50	<0.001
≥100,000	58.2	42.8
Mean (SD);	268,416.45	171,118.85
Median	144,000.00	96,000.00

As indicated in Table 1, urban dwellers were more likely than those dwelling in rural areas to be more highly educated, younger, more likely to be single, more likely to hold a higher status occupation, and more likely to have a higher annual income.

Table 2 shows the distribution of NCDs and associated risk factors among the respondents by place of residence. Overall prevalence of NCDs and associated risk factors were: diabetes, 3.6%; hypertension, 39.7%; smoking, 13.3%; overweight/obesity, 39.9%; physical inactivity, 51.3%; and alcohol use, 47.0%. Residents in urban communities were more likely to have higher prevalence of hypertension (63.5% vs 57.5%), overweight/obesity (44.8% vs 35.7%), and higher level of physical activity (50.7% vs 46.9%) than those in rural areas. There was no significant difference in the prevalence of diabetes, smoking, and alcohol use between urban and rural areas.

Table 2

Distribution of prevalence of NCDs and associated risk factors for respondents in urban and rural areas.

NCDS/RISK FACTOR	URBAN n = 1396 (%)	RURAL n = 1587 (%)	TOTAL n = 2983 (%)	χ²	P-VALUE
Diabetes
No	95.9	96.8	96.4	1.05	0.31
Yes	4.1	3.2	3.6
Hypertension
No	63.5	57.5	60.3
Yes	36.5	42.5	39.7	10.94	0.001
Smoking status
Yes	13.2	13.5	13.3	0.06	0.81
No	86.8	86.5	86.7
BMI
Normal	55.2	64.3	60.1	21.87	<0.001
Overweight/obese	44.8	35.7	39.9
Alcohol use
Yes	49.2	45.9	47.0	1.57	0.21
No	51.6	54.1	53.0
Physical activity level (MET mins/week)
<600	49.3	53.1	51.3	3.84	0.05
≥600	50.7	46.9	48.7
Mean (SD);	978.5 (946.5);	1056.3 (901.0);	1020.5 (881.7);
Median	685.7	822.9	728.9

Figure 2 shows care-seeking practices of the respondents following the onset of an episode of illness. The majority of respondents in both urban and rural areas were most likely to utilize the services of PMVs: 73.0%; following the onset of illness, followed by hospital/clinic, 12.4%; and primary health center, 6.6%. Utilization of formal health-care services–-hospital/clinic or health centers–-was almost the same in both urban (21.1%) and rural areas (20.1%). However, more respondents in urban areas (17.2%) visited a hospital/clinic following the onset of illness compared to 11.1% in rural areas, while more respondents in rural areas (9.0%) were more likely to visit primary health centers than urban residents (3.9%). However, these differences in formal care seeking were not statistically significant.

Figure 2

Places where care was sought following the onset of illness.

Residents seeking formal health care was 294 (21.1%) and 319 (20.1%) in urban and rural areas, respectively.

Table 3 shows respondents’ characteristics associated with bivariate differences in the use of formal health-care services in urban and rural communities. As indicated in the table, those seeking formal care in urban or rural areas differed along a number of dimensions. There were significant differences in age, educational status, occupation, income, and BMI status of respondents utilizing formal health-care services in urban and rural areas. Those who sought formal care in urban areas were significantly more likely to be older and more highly educated, with higher status occupations and higher incomes. Interestingly, in the bivariate analyses, those identified as having an NCD and living in an urban area did not differ from those with an NCD in rural areas in their use of formal care.

Table 3

Respondents’ characteristics associated with differences in the use of formal health care between urban and rural areas.

CHARACTERISTIC	URBAN N = 294 (%)	RURAL N = 319 (%)	χ²	P-VALUE
Age (in years)
18–39	18.6	30.7	15.56	<0.001
40–59	25.8	27.8
≥60	55.7	41.5
Gender
Male	44.2	37.6	2.76	0.10
Female	55.8	62.4
Marital status
Married	64.2	69.5	1.96	0.16
Not married	35.8	30.5
Educational status
≥Secondary	79.5	60.4
<Secondary	20.5	39.6	26.39	<0.001
Occupation
Professional/skilled	33.2	21.5
Semiskilled	17.0	10.8
Unskilled	20.1	38.6	29.30	<0.001
Unemployed/students	29.8	29.1
Annual income (in Naira)
<100,0000	38.1	57.2
≥100,000	61.9	42.8	15.21	<0.001
Diabetes
Yes	9.0	6.1
No	91.0	93.9	1.13	0.29
Hypertension
Yes	40.1	46.7
No	59.9	53.3	2.69	0.10
Alcohol use
Yes	60.2	64.6	1.25	0.26
No	39.8	35.4
Smoking status
Yes	11.9	10.0
No	88.1	90.0	0.55	0.46
BMI
Normal	47.1	56.9	4.69	0.03
Overweight/obesity	52.9	43.1
Physical activity level (MET mins/week)
<600	42.7	43.7	0.05	0.83
≥600	57.3	56.3

Multivariate logistic regression analysis was used to identify significant predictors of urban–rural differences in formal health-care service utilization as shown in Table 4. Only those who sought formal health-care services were included in the model, and the dependent variable reflected whether they lived in an urban or a rural area. Those seeking formal care in an urban area, in comparison to those seeking formal care in a rural area, were more likely to have at least secondary education, adjusted odds ratio (AOR; 95% CI) = 1.38 (1.05–1.82); less likely to be unemployed or a student, AOR (95% CI) = 0.59 (0.38–0.90); more likely to be earning income ≥N100,000, AOR (95% CI) = 1.40 (1.11–1.76); and more likely to be overweight/obese, AOR (95% CI) = 1.43 (1.14–1.80).

Table 4

Logistic regression predicting the use of formal health services in urban and rural areas.

VARIABLES	AOR (95% C.I.)
Age (in years)
18–39	–
40–59	1.26 (0.88–1.81)
≥60	1.22 (0.86–1.73)
Educational status
<Secondary	–
≥Secondary	1.38 (1.05–1.82)^*
Occupation
Professional/skilled	–
Semiskilled	1.30 (0.78–2.18)
Unskilled	0.97 (0.63–1.51)
Unemployed/students	0.59 (0.38–0.90)^*
Annual income (in Naira)
<100,0000	–
≥100,000	1.40 (1.11–1.76)^*
BMI
Normal	–
Overweight/obesity	1.43 (1.14–1.80)^*

Notes: –, reference category.

Statistically significant.

Discussion

This study population exhibited relatively higher prevalence of hypertension and diabetes and associated risk factors–-obesity, smoking, alcohol consumption, and physical inactivity compared to previous studies.^28–30 Rising prevalence of NCDs has been reported in a number of LMICS, despite the existing high burden of communicable diseases. This phenomenon has been described as a double burden of disease that is not faced in higher income countries with their lower prevalence of infectious diseases.³¹

Changes in lifestyle such as dietary habits, increasing sedentary activity, and transition from agrarian to urbanized society are among the factors identified as being responsible for rising prevalence of NCDs.¹ However, it is worthy to note that these changes are taking place in both rural and urban communities in Abia State though at different rate, as there was no significant difference in the prevalence of NCDs and associated risk factors in both localities except for hypertension and overweight/obesity. Higher prevalence of hypertension was reported in rural communities than in urban communities, and this is probably due to higher proportion of older people in rural than in urban areas. The prevalence of overweight/obesity reported in urban areas was higher than that in rural areas, which could be attributed to lower level of physical activity among urban residents. Since urban and rural communities in the state are largely equally affected by NCDs, measures to reduce its burden in the state should target both urban and rural communities.

Currently, there is no coordinated response in the state to reduce the burden of NCDs and associated risk factors. Hence, the prevalence of these conditions is likely to remain high and potentially increase, until programs and policies are put in place to reverse the trend. This study showed that overall utilization of formal health-care services following the onset of illness was low (20.0%). In general, PMVs were the most common sources of primary care following the onset of illness. Previous research indicates that PMVs play a significant role in health-care delivery in Nigeria.^32–34

Highlighting the danger of patronizing PMVs, Onah and Govender³² pointed out that these care providers are more likely to provide substandard care to their clients because their activities in the country are unregulated. While others have reported their positive role in health-care service delivery and suggested that they might be reoriented and integrated into the country's health-care system considering their high accessibility and the high level of confidence they enjoy from community members.^12,13,33 Given the dominant role played by PMVs in both urban and rural areas, training and integration of these care providers into the formal health-care system, possibly as source of information on disease prevention and referrals to formal health-care providers, might be a useful avenue for reform.

Low utilization of formal health sector in the state as observed in this study could be attributed to the following: nonavailability of basic equipment and drugs, attitude of health-care workers, unavailability of services, costs, distance, incessant strikes by health workers, weak health system, poor funding of the health sector, and payment mechanism which is predominantly out of pocket payments.^35,36 An assessment of 40 primary health-care facilities in the state on provision of youth-friendly services showed that 80% of them had a functional sphygmomanometer for measuring blood pressure while none had a glucometer.³⁷

In realization of the need to improve utilization of formal health-care services in Nigeria, a national health act was enacted in 2014. The goal of the act was to ensure universal health coverage for all Nigerians by addressing inequities in access to health care. This legislation intends to achieve greater equity in access by increased funding of the health sector, removing barriers to health services through expansion of health insurance coverage and strengthening the healthcare systems.³⁸ Increased funding of the health sector will help address deficiency in equipment and supplies including drugs required to prevent and control NCDs.

Removing barriers to accessing health-care services and improving the quality of health-care services will help improve utilization of formal health-care services including prevention and control services of NCDs. Screening, diagnosis, and management of NCDs in the state are currently limited to tertiary and some secondary health facilities. Therefore, establishment of comprehensive NCD services involving the primary healthcare centers in the state will improve the uptake of formal health-care services.

While no significant urban–rural difference was observed in the rates at which formal health-care services were used, there were significant differences in respondents’ characteristics that influenced utilization of formal health-care services in both localities. Most of these factors were socioeconomic: educational status, income, and occupation. High income and high educational status were associated with higher utilization of formal health care in urban areas.

Overall utilization of formal health-care services was low, with no difference observed between residents in urban and rural communities. Therefore, the effects of the current efforts of the Nigerian government to increase access to quality health-care services through universal health coverage may not vary across urban and rural settings. The state on its part should develop policies and programs aimed at increasing the availability of prevention and control services of NCDs in formal care settings so that the anticipated increase in the uptake of formal health-care services will translate into reduction of the burden of NCDs.

Educational status, income level, occupation, and BMI status were found to have significantly influenced the differences in health-care service utilization between urban and rural communities in the state. Therefore, interventions to address differences in care-seeking behavior of urban and rural communities in the state should take into consideration measures to reduce socioeconomic barriers to seeking formal health care. In addition, as some researchers have recommended increasing the role for PMVs in the management of disease conditions such as malaria, STIs, and tuberculosis,^21,39–41 the same can be argued for NCDs even though management of NCDs is complex and challenging, requiring regular monitoring and follow-up. PMVs can be trained on screening for hypertension and diabetes using electronic sphygmomanometer and glucometer respectively and referring identified cases to formal health-care facilities for continuing care. They can also be trained on monitoring blood pressure and blood glucose of patients already on treatment, identifying non-adherent/poorly adherent patients, and providing health education on NCDs. Involving PMVs in screening and monitoring of patients with hypertension and diabetes will increase community members’ access to these services.

Like most studies, this effort has limitations. Because this was a cross-sectional study, causal inferences could not be ascertained. In addition, the study did not examine community-related and health facility-related factors influencing care-seeking behavior among the respondents.

Author Contributions

Conceived and designed the experiments: OSO, UUO, OOM, AUU, IIC, AOM. Analyzed the data: UUO. Wrote the first draft of the manuscript: UUO. Contributed to the writing of the manuscript: OSO, IIC. Agree with manuscript results and conclusions: OSO, UUO, IIC. Jointly developed the structure and arguments for the paper: OOM, AUU, AOM. Made critical revisions and approved final version: UUO, OSO. All authors reviewed and approved of the final manuscript.

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