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Prevalence and determinants of depression in mothers of children under 5 years in Bole District, Ghana

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Abstract

Objective

Depression in mothers is a risk factor for poor health, and pregnancy and child outcomes. The objective of the present study was to determine the prevalence of depression and identify its determinants in mothers of children under 5 years in Bole District, Ghana.

Results

We conducted an analytical cross-sectional study consisting of 244 mothers (mean age 28.7 ± 6.29 years) in Bole District, Ghana. Edinburgh Postnatal Depression Scale was used to screen for depression and the determinants of depression were identified using logistic regression analysis. The prevalence of depression in this study population was 16.8% (95% confidence interval 12.1–22.0%). The independent determinants of depression were marital status, occupation, lighting source and type of cooking fuel. Being currently unmarried (p < 0.001), and using lighting sources other than electricity (p = 0.004) were associated with higher risk of depression while being employed in other occupations (p = 0.001), and not cooking with firewood (p = 0.008) were associated with lower risk of depression. In this study population, the prevalence of depression was relatively high in mothers and was associated with marital status, occupation, lighting source and cooking fuel. Interventions to prevent and treat depression in women should include strategies to improve their socio-economic status and living conditions.

Introduction

Depression is common in women of childbearing age [1]. In the developed world, 10 to 16% of all mothers are estimated to experience depression [2] while in Africa, a review based on 35 studies estimated that 18.3% of mothers have depression [3]. In Northern Ghana, the prevalence of depression was estimated in two community-based studies as 27.8% in 2016 [4] and 33.5 in 2018 [5] while six studies conducted on mothers outside northern Ghana recorded lower rates (3.8–11.3%) [6,7,8,9,10,11]. Depression is the leading cause of morbidity and mortality worldwide [12].

Maternal depression can encourage poor health behaviour and increase the risk of unfavourable birth and child outcomes [13]. This includes preterm birth, low birth weight, and reduced growth and psychological problems [14, 15]. Untreated depression has been linked to the development of maladjustment in children [16] and poor psychological and physical wellbeing of children and adolescents [17].

Research in low-resourced settings has shown an association between maternal mental health and caregiving practice, and this has implications for the health and well-being of children. Studies on mothers with depressive symptoms in Ghana and Ivory Coast showed high prevalence of diarrhoeal and febrile diseases in children of depressed mothers compared to children of psychological sound mothers [11]. Additionally, maternal depression in both high- and low-income countries has been shown to negatively affect breastfeeding [18, 19]. Some studies have found that mothers with depression stopped exclusive breastfeeding early compared to those without depressive symptoms and other studies found that depressive mothers were more likely to stop breastfeeding entirely in the complementary feeding period [20, 21].

In spite of the link between maternal mental health and pregnancy and child outcomes, data are scanty on the prevalence and determinants of depression in mothers of young children in Ghana. The objective of the present study was to determine the prevalence of depression and identify its determinants in mothers of children under 5 years in Bole District, Ghana.

Main text

Methods

Study design, area and population

An analytical cross-sectional study was conducted in Mankuma in Bole District, Ghana, in February, 2015. The Bole District is located at the extreme western part of the Savanna Region, one of the 16 administrative regions of Ghana. The study population consisted of all mothers of children under 5 years living in the Mankuma community.

Sample size determination and sampling

Using the single population proportion formula [22], a sample size of 244 was estimated. A list of all mothers of children under 5 years in the Mankuma community was compiled using Child Welfare Records with the help of community health volunteers. Simple random sampling was used in selecting the 244 mothers who were visited and interviewed at home.

Data collection

A researcher-constructed semi-structured questionnaire, and Edinburgh Postnatal Depression Scale (EPDS) were used to collect data for the study. The semi-structured questionnaire has sections on socio-demographic and economic characteristics, and household cooking fuel and lighting sources. These variables were assessed in our study because previous studies have reported their association with mental health status of women in developing countries [23,24,25]. The EPDS was developed for screening postpartum women in outpatient, home visit settings, or at the 6–8 weeks postpartum examination [26]. The tool has been used among numerous populations in various countries. The EPDS is made up of 10 questions. Responses are scored 0, 1, 2, or 3 according to increased severity of the symptoms for questions 1, 2 and 4. Questions 3, and 5–10 are reverse scored (i.e., 3, 2, 1, and 0). The total score is obtained by adding together the scores for each of the 10 items, which gives a maximum score of 30. The cut-off used to define depression is 12, thus, a woman scoring 12 or more points was classified as being depressed [27]. The administration of the questionnaires was undertaken by 3 final year undergraduate students of the School of Allied Health Sciences, University for Development Studies, Tamale. The questionnaires were administered in Gonja in face-to-face interviews with the mothers.

Statistical analysis

Data were analyzed using Stata IC (Version 12.1). Means and standard deviations were calculated for continuous variables and frequencies and percentages for categorical variables. Household wealth index was derived using 12 household items i.e., radio, television, satellite dish, sewing machine, mattress, refrigerator, DVD, electric fan, mobile phone, bicycle, motorcycle and car following a standard procedure [28]. Possession of each of the items attracted a score of 1 otherwise a score of 0. Using Principal Component Analysis, household wealth scores were derived for each household, and all the scores were ranked and divided into 3 equal groups: poorest, medium and richest. This index is considered a good proxy for socio-economic status and is routinely reported in the Ghana Demographic and Health Survey reports. Chi-square or Fisher’s exact test was employed in the bivariate analyses and variables that were significant (p < 0.2) in these analyses were considered for multivariate logistic regression analysis. Declaration of significance in the multivariate analysis was done at p < 0.05.

Results

Majority of our participants were currently married (84.0%), belonged to the Islamic faith (77.0%) and were from Gonja tribe (73.0%). Most of them (43.0%) were traders, and the majority had no education (53.3%). Again, the majority of them had one child under 5 (70.1%), used electricity as a source of lighting (95.5%) and used firewood for cooking (70.5%) (Table 1).

Table 1 Socio-demographic characteristics (n = 244)

Maternal depression and its determinants

The prevalence of maternal depression was estimated at 16.8% (95% confidence interval: 12.1–22.0%) for the study subjects. In bivariate analyses, 8 variables had crude associations with depression status of the mothers namely: age (p = 0.027), marital status (p < 0.001), religion (p = 0.062), ethnicity (p = 0.058), occupations (p = 0.061), source of lighting in the house (p < 0.001), type of fuel used for cooking (p = 0.056), and household wealth index (p = 0.015) (Table 2). These variables were entered into a logistic regression model and after mutual adjustment using stepwise logistic regression procedure, marital status, occupation, source of lighting in the household, and type of fuel used for cooking remain associated with maternal depression independently. Being currently unmarried (p < 0.001), and using lighting sources other than electricity (p = 0.004) were associated with higher risk of depression while being employed in other occupations (mostly farming and provision of services) (p = 0.001) and not cooking with firewood (p = 0.008) were associated with lower risk of depression (Table 3).

Table 2 Comparison of depressed and non-depressed mothers (n = 244)
Table 3 Multivariate analysis of the determinants of depression in mothers (n = 244)

Discussion

The present study found the prevalence of depression to be 16.8% among mothers of children under 5 years in Mankuma in Bole District, Ghana. Among our sampled population, the independent determinants of depression are marital status, occupation, lighting source and cooking fuel.

A lower prevalence of maternal depression was estimated than previously reported for mothers in Northern Ghana. Two previous studies, both of which used the Centre for Epidemiologic Studies Depression Scale, reported about twice our rate in Northern Ghana mothers i.e., 27.8% in 2016 [4] and 33.5% in 2018 [5]. However, six studies conducted on mothers outside northern Ghana recorded lower rates (3.8–11.3%) [6,7,8,9,10,11]. The lack of a nationally representative study on the prevalence of depression in Ghana makes judging these figures difficult. It is possible that study population, screening tool, study design and other factors explain the disparities in the rates of depression in mothers in Ghana.

We found that marital status, occupation, household lighting and cooking fuel were independently associated with depression status of the mothers. The finding of lower risk of depression for married women was supported by some studies [29, 30]. A similar study to ours has shown that married mothers have lower chances of being depressed compared to unmarried ones especially if their husbands are literate and caring [29]. The authors attributed the higher risk of depression associated with unmarried status to lack of partners to confide in and share one’s woes with and this is likely to be the situation for our study population also.

We however found a lower risk of depression for women who engaged in other occupations (mostly farming and provision of services) relative to trading. The exact reasons are not known but this may relate to the stress associated with the difficult economic situation in Ghana arising from high interest rates on bank loans [31], and the constant depreciation of the Ghanaian currency (Ghana Cedis) against the US dollar [32]. This is likely to impact traders more severely compared to people in other occupations as they need to take bank loans to run their businesses, and the US dollar is needed for importing goods. The rapid depreciation of the Ghana Cedis also means that the prices of goods keep going up and this affects sales and leads to lower return on investments.

We found an increased risk for depression for women in households not using electricity for lighting but these women were very few (4.5% of total sample). Mothers who used other fuels were 77% less likely to be depressed compared to those who used firewood for cooking and a similar study to ours found higher rates of depression in women who used biomass for cooking compared to other fuels in India [24]. The use of firewood for cooking connotes underdevelopment and low socio-economic status as it is used by more than 65.0% of the population in rural areas of Ghana who are mostly poor [33] and only 5.5% of this population use liquefied petroleum gas as their main cooking fuel [34]. The mechanism by which firewood use increases the risk of depression is not known but may relate to the stress involved in gathering it from the field and the smoke associated with its use.

Conclusions

The current study found a relatively high prevalence of depression (16.8%) in mothers of children under 5 years in Bole District, Ghana. The socio-demographic factors associated with depression were marital status, occupation, lighting source and type of cooking fuel. Interventions to prevent and treat depression in women should include strategies to improve their socio-economic status and living conditions.

Limitation

One major limitation with our study is that, the EPDS used to determine depression status was not validated for our study population so its reliability in this context cannot be judged. Despite this limitation, this study provides significant insights into the level of depression and its determinants in mothers of children under 5 years of age in the Bole District, Ghana.

Availability of data and materials

The minimal dataset analysed during the current study can be obtained from the corresponding author upon reasonable request.

Abbreviations

AOR:

adjusted odds ratio

CI:

confidence interval

EPDS:

Edinburgh Postnatal Depression Scale

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Acknowledgements

We are grateful to the mothers who responded to the questionnaire.

Funding

The study was funded by the authors.

Author information

AW conceived the study and analysed the data, NS supervised the data collection and drafted the manuscript. Both authors read and approved the final manuscript.

Correspondence to Anthony Wemakor.

Ethics declarations

Ethics approval and consent to participate

The study (Protocol Number 11-2014) was approved by Ethics Board of School of Medicine and Health Sciences, University for Development Studies, Tamale. Written informed consent was obtained from the mothers before the administration of the questionnaire and screening for depression. The women were assured of anonymity and confidentiality of the study data. They were also informed that taking part in the study was voluntary and that they could withdraw at any time during the process if they felt uncomfortable.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

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Keywords

  • Depression
  • Mothers
  • Firewood
  • Marital status
  • Occupation
  • Tamale