https://orcid.org/0000-0001-9235-1980
Figures
Abstract
Background
Depression is a common mental disorder. The burden of antenatal depression is higher in developing countries which is 20% as compared to developed ones 10% to 15%. In Ethiopia around one-fifth of pregnant mothers are depressed. Despite the severity of the problem, only a few studies have been done in Ethiopia, and there is no study done in Arba Minch on the problem.
Objective
To assess the magnitude and associated factors of antenatal depressive symptoms among pregnant women attending Public Health facilities in Arba Minch town Southern Nations and Nationalities Peoples Region, Ethiopia 2018.
Methods
Health Institution based, cross-sectional study design was used to assess the magnitude and associated factors of antenatal depression among 323 pregnant mothers who came for antenatal care follow-up in all public health facilities in Arba Minch town. The systematic random sampling technique was applied. Interviewer administered, pretested structured Questionnaire containing Edinburgh postpartum depression scale was utilized. EPI INFO was used to enter data and then the data were analyzed by logistic regression using SPSS. Variables with P-value less than 0.2 in the bivariate logistic regression were inserted in for multivariable analysis to see their independent effect and those with P-value less than 0.05 were used to determine the significant association between dependent and independent variables.
Result
The magnitude of antenatal depression was 35.4%. Variables that were significantly associated with antenatal depression on multivariate analysis were anxiety (AOR = 5.49, 95%CI: 2.56, 11.77), un-planned pregnancy (AOR = 2.71, 95%CI: 1.21, 6.07), and Primigravida (AOR = 2.96, 95%CI: 1.28, 6.8). Similarly, uneducated mothers and those who attend only elementary school had AOR 4.92, 95% CI 1.36,17.73 and AOR 4.04955CI 1.23, 13.39 respectively.
Conclusion
The magnitude of antenatal depression, intimate partner violence, and threatening life event in Arba Minch town was high. Anxiety, unplanned pregnancy, educational status, and Primigravida were significantly associated factors with depression. There should be a mechanism for routine screening and management of antenatal depression and intimate partner violence during antenatal care follow-up.
Citation: Beketie ED, Kahsay HB, Nigussie FG, Tafese WT (2021) Magnitude and associated factors of antenatal depression among mothers attending antenatal care in Arba Minch town, Ethiopia, 2018. PLoS ONE 16(12): e0260691. https://doi.org/10.1371/journal.pone.0260691
Editor: Frank T. Spradley, University of Mississippi Medical Center, UNITED STATES
Received: November 13, 2020; Accepted: November 15, 2021; Published: December 2, 2021
Copyright: © 2021 Beketie et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Data Availability: All relevant data are within the manuscript and its Supporting Information files.
Funding: The author(s) received no specific funding for this work.
Competing interests: The authors have declared that no competing interests exist.
Introduction
Mood is a pervasive and sustained emotion or feeling tone that influences a person’s behavior and colors his or her perception of being in the world [1]. Depression is one of the mood disorders in which World Health Organization (WHO) defines it as a common mental disorder which presents with a profound and persistent feeling of sadness, disturbed sleep or appetite, loss of interest or pleasure, feelings of guilt, or low self-worth, decreased energy, and poor attention [2].
Despite the presence of effective treatment, depression is one of the leading causes of disease burden in the world [3]. WHO’s report in 2015 showed that the prevalence of depression in the general population was 4.4% which is higher among females (5.1%) as compared with males (3.6%) [4]. Throughout the world, around 10% of mothers experience mental problems during their pregnancy and its burden is higher in low and middle-income countries which is around 15.9% and depression is one of the main mental disorders occur during pregnancy [5, 6]. The burden of antenatal depression is higher in developing countries which is 20% as compared to developed ones 10% to 15% [7]. In Ethiopia more than one-fifth (23.56%) of pregnant mothers are depressed [8].
Antenatal depression could result in short and long-term adverse outcomes for both the baby and the mother. Its effect ranges from the limitation of everyday activity and participation restrictions to poor dietary intake. About half of the mothers with antenatal depression will develop postpartum depression and has suicide ideation [9–13]. Antenatal depression also affects the well-being of the baby from its development in the uterus to their adulthood. Some studies showed that babies of depressed mothers have low birth weight and preterm birth. It could also lead to fetal growth retardation, low APGAR score, and small for gestational age babies [12, 14, 15]. Similarly, children born from mothers who had antenatal depression develop, depressive disorder and commit violent acts during their adolescence [16, 17].
Most studies revealed that unwanted pregnancy, poor social support, low economic status, previous history of psychiatric illness, abortion, and stillbirth are associated with depression, and some studies have contradicting results on the association between these factors and antenatal depression [18–20]. Edinburgh postpartum depression scale (EPDS) is validated and approved for screening antepartum and postpartum depression in both urban and rural Ethiopia. It has been used to assess antepartum depression in researches but there is no national strategy for routine screening of mothers on ANC follow up [21, 22].
Despite the severity of the problem, only a few studies have been done in Ethiopia. Almost all the studies failed to study the association of antenatal depression with anxiety. In addition, there is no study done in Arba Minch town on the problem.
Since this study included anxiety, which was neglected in previous studies, but could have a significant association with the problem, the finding of the study could be helpful in improving knowledge on factors associated with the problem for maternal health disciplines. It will also be helpful to design and implement maternal health policies and programs for policymakers in Ethiopia. Since there are only a few studies done on the topic in Ethiopia, this study will be used as a baseline for other studies.
Material and methods
Study setting, design and participants
The study was conducted in Arba Minch town, a capital of the Gamo Gofa zone, southern Ethiopia. It is 455 km away from Addis Ababa, the capital city of Ethiopia. The town has an estimated total population of 159,019 in 2018 of which 79,058 are females and 79,961 are males. Reproductive age group women are 37, 052. The town has one hospital and two health centers, which provide ANC service. The study was conducted from September 1 to October 31, 2018, on both health centers and the hospital.
Health Institution based cross-sectional study design was used to conduct the study. All pregnant women attending Public Health facilities for antenatal care in Arba Minch town were the source population and those who were attending ANC during the study period were the study population. A sample size of 323 was found by using single population proportion formula taking 5% Margin of error, 95% CI, and estimated magnitude of antenatal depression 25.6% [23]. Calculating the average of the previous three month ANC flow of each health institution the sample size was proportionally allocated. Then systematic random sampling technique was implemented to select study participants (the data was collected from every four mothers who came for ANC visits in each health institution.)
Three BSC midwives and one Msc nurse were recruited as data collectors and supervisor, respectively. Then they took two days of training on interviewing techniques, the objective of the study, and different sections of the questionnaire.
Sampling technique and procedure
The research was conducted at two health centers (Arba Minch and Shecha health centers) and Arba Minch referral hospital. The sample size split between health institutions is proportional to their ANC caseload. Calculating the average of the previous three-month ANC flow, the monthly caseload of Arba Minch referral hospital, Arba Minch health center, and Shecha health centers were 595, 507 and 158 respectively. The sample size was proportionally allocated, and 153 samples were taken from Arba Minch referral hospital; 130 and 40 samples were taken from Arba Minch and Shecha health centers, respectively. Then systematic random sampling technique was implemented to select study participants.
Eligibility criteria
All pregnant women, irrespective of their trimester, who came for ANC follow-up in public health facilities of Arba Minch town during the data collection period, were included in the study. Mothers who were unable to listen or speak and those with serious medical conditions were excluded.
Data collection method and instrument
Data were collected using an interviewer-administered, pretested structured questionnaire containing Edinburgh Postnatal Depression Scale (EPDS), which was used to assess antepartum depression. EPDS has ten questions; each scored zero to three, the total score ranging from zero to 30. As the total score gets higher, the mother has higher depressive symptoms. It was validated to detect antepartum and postpartum depression in many countries [24–26]. It also showed a sensitivity of 84.6% and a specificity of 77.0% in Addis Ababa for postpartum use. It had Cronbach’s Alpha of 0.71, and areas under receiver operating characteristics were 0.85 [21]. Like previous studies done in Ethiopia, mothers who scored ≥ 13 and < 13 on EPDS were considered as positive, and negative for antepartum depression screening, respectively [27].
Generalized Anxiety Disorder (GAD) 7-Item Scale was used to assess GAD. It was used in the study conducted in Ethiopia and had Cronbach’s Alpha of 0.917 [28]. Mothers who scored < 7 were grouped as having no GAD, and those with a score ≥ 7 were grouped as having GAD [29]. Maternity social support score (MSSS), which contains six items, was used to assess social support. Mothers with maternity social support scores of 24–30 were grouped as high social support; 18–23 medium social support, and low social support were those below 18 [30]. Abuse Assessment Screen (AAS), which contains five items was used to assess intimate partner violence, and studies showed that it has a sensitivity of 93% -94% and a specificity of 55% -99% [31–33]. Mothers who responded to any question on the abuse assessment screen affirmatively considered positive for abuse [34]. Twelve lists of threatening life events were used to assess life stressors. The TLE has good test-retest (Kappa: 0.61–0.87) and predictive validity [35]. Mothers who experienced at least one stressful life event in the past six months were grouped as yes for threatening life events, and those without any stressful life events were grouped as no for threatening life events [18]. All the tools used in this study were used in other studies done in Ethiopia.
Questions that assess other variables like socio-demographic factors, obstetric and gynecologic factors, and Substance use were adopted from literatures. Medical records were reviewed to observe gestational age and the presence of complications in the current pregnancy. History of depression on the mother and her family was assessed by asking the mother whether she or her family had a known history of depression, which was diagnosed by a health professional. Mothers also asked about the feeling of their husband (partner) on the pregnancy, whether he was happy or unhappy about the pregnancy, and supports the mother during her pregnancy.
Data analysis
EPI INFO version 3.5.1 statistical software was used to enter the data, then SPSS version 20 statistical package was used for analysis. The Hosmer-Lemeshow method was used to assess model fitness, and it was found to be a well-fit model. Multi-collinearity was checked for the three most related variables (Gravidity, parity, and the number of babies the mother had in her home) and found to have a Variance Inflation Factor (VIF) value greater than 10, indicating there is multi-collinearity among these variables. Thus, gravidity was used for analysis. Since generalized anxiety and depression share some symptoms, they are checked for collinearity, and VIF was one indicating there is no collinearity between these two variables.
Binary logistic regression with 95% CI was used to explore the relationship between antenatal depression and other independent variables. First bivariate logistic regression was used, and those variables with P-value less than 0.2 were inserted into multivariable analysis to see their independent effect. Variables with P-value less than 0.05 were used to determine a significant association between dependent and independent variables. The variables which do not include values of primigravid or primipara mothers are excluded on multivariable analysis.
Ethical considerations
The study was approved by the Mekelle university college of health science ethical review board. An official letter was written to Gamo Gofa Zone Health Department to get permission for data collection. Informed written consent was obtained from the respondents after explaining the purpose of the data collection and Privacy of respondents in the study by no means infringed. Response of the participant recorded and analogized anonymously. Moreover, respondents were given the freedom to refuse their participation at any stage of this study.
Results
Socio demographic characteristics
A total of 316 mothers participate in the study giving a response rate of 97.8%. the mean age of mothers was 25.8 (±5.4 SD) with a minimum of 15 and a maximum of 40 years old, and more than half of them (60.1%) were between 20 and 29 years old. The monthly income of 22.6% of respondents was less than or equal to 1000 Birr. (Table 1)
Magnitude of antenatal depression
Among 316 respondents, 201 (64.6%) had EPDS score < 13, and the rest 110 (35.4%) had EPDS scores greater or equal to 13, making the overall magnitude of antenatal depressive symptoms among study participants 35.4%.
Obstetric and gynecologic factors
More than half of respondents 205 (64.9%) had a regular menstrual cycle, and 183 (57.9%) used contraceptives before the current pregnancy. About 76.3% of the respondent planned their pregnancy while the rest 23.7% had unplanned (unintended) pregnancy. The current pregnancy was the first pregnancy for 149 mothers. Among those who were multigravida, about 86.8% had ANC follow-up for the previous pregnancies. About 37 (22.2%) of multigravida mothers had complications in their past pregnancy and of these 40.5% had preterm labor. About 258 (81.6%) respondents had no complications on the current pregnancy. (Table 2)
Psychosocial factors
More than half of mothers 195 (61.7%) experienced at least one threatening life event in the past six months before data collection, and about 54.1% had high social support. About 20.9% of respondents had intimate partner violence. About 281 (88.9%) of the husbands (partners) were happy on the pregnancy, and about 93.4% of them provided good support for their wives (partners). (Table 3)
Mental health conditions
About 10.8% of mothers had a family history of depression, and 19.6% of respondents had a personal history of depression. Similarly, more than one-fifth (23.1%) of respondents had a score of seven and above on the GAD seven item scale indicating positive for anxiety screening.
Substance use
The majority of respondents didn’t smoke a cigarette or chew khat during their pregnancy. About 17.1% of them drunk alcohol at least once during their pregnancy. (Table 4)
Associated factors
In the bivariate analysis the variables which had a significant association (P-Value < 0.2) with antenatal depression were age, income, educational status, occupation, marital status, gravidity, social support, threatening life events, intimate partner violence, husband (partner) feeling on the pregnancy, husband (partner) support, current complication on the pregnancy, pregnancy intention and anxiety.
In multivariable logistic regression only anxiety, pregnancy intention, educational status, and gravidity were significantly associated. The odds of developing antenatal depression were more than five times higher among mothers having anxiety as compared with those who have no anxiety(AOR = 5.49, 95%CI: 2.56, 11.77). The odd of antenatal depression was about three times higher among mothers who didn’t plan to conceive and primigravids (AOR = 2.71, 95%CI: 1.21, 6.07) and (AOR = 2.96, 95%CI: 1.28, 6.81) respectively. Similarly, mothers who had antenatal depression were about five and four times more likely to be uneducated and attend only elementary school than mothers who attended above secondary school, respectively. (Table 5)
Discussion
This study investigated the magnitude and associated factors of antenatal depressive symptoms among pregnant mothers attending Public Health facilities for antenatal care in Arba Minch town. The magnitude of antenatal depressive symptoms in this study was 35.4% (95% CI: 30–41). It was higher as compared with a systematic review done in developed and developing countries, which were about one-tenth in developed and one-fifth in developing countries [7]. Some studies done in developing countries like India, Tanzania, and Cape Town had a consistent prevalence of antenatal depression with the current study which ware 36.75%, 33.8%, and 39% respectively [19, 36, 37]. Studies done in Ethiopia had a lower magnitude of antenatal depression, which ranges between 11.8%– 25.6%, as compared with the current study [18, 23, 27, 30, 38]. This could be due to the difference in the trimester of the mother they used in which the study done in south-west Ethiopia exclude those in the first trimester and the tool used by the study done in Gondar was BDI which was different from EPDS. On the other hand, mothers with significantly associated factors like un-intended pregnancy and being primigravida were higher in this study as compared with the previously stated studies. These could have contributed to a higher magnitude of antenatal depression in this study.
In this study, the prevalence of IPV is about 21%. Among these, about 12% of them were afraid of their partner, and 9.5% had been hit, slapped, kicked, or otherwise physically hurt by their partner. Most rural communities of Ethiopia condone IPV that wives should be afraid of their husbands (partners) and it is their right to beat them [39]. This result is relatively lower as compared with the systemic review done in Ethiopia, which was 26% [40]. On the other hand, the prevalence of IPV is higher than the study done in southwestern Ethiopia. This could be due to the difference in the tool used in this study included both physical and emotional abuse. On the other hand, the study conducted in south-west Ethiopia included only the physical abuse [30].
The prevalence of threatening life events is about 62%, of which about 20% of mothers lost their close family, friend, or second-degree relative by death, and bout 15% of the mothers were unemployed or seek work for more than one month. This result is higher than the study done in South Africa, which was 39%. This could be due to the score we used in this study was mothers who had at least one TLE are grouped as having TLE. Whereas, the study done in South Africa used at least two TLE to say a mother had a stressful life event [11].
Complications in the past pregnancies had no association with antenatal depression in this study. Similarly, the study done in Cape Town showed there was no association between complications in previous pregnancies and antenatal depression [19]. On the contrary, studies done in Malawi, China, and Debretabor indicated that complications in the previous pregnancies like miscarriage and stillbirth had a significant association with the outcome variable [18, 20, 41]. This could be due to the difference in the magnitude of complications in the past pregnancies, in which this study had a lower magnitude as compared with the study done in Debretabor. The difference in the tools they used in the studies done in China and Malawi also might attribute to the difference in the findings.
Though most studies showed that social support and intimate partner violence had an association with antenatal depression, in this study both predictors had no association with depression [11, 30, 42]. This could be due to the tool they used to assess IPV and social support was different. Unlike the studies done in South Africa and Debretabor, stressful life events in the past six months were not significantly associated with antenatal depression in this study [11, 18]. Though the variables were not significantly associated with the outcome variable in multivariate analysis majority of mothers in this study had good social support, a happy partner (husband) about the pregnancy, and good support from him, which might help her out to withstand threatening life events that she faced in the past six months.
In this study, the husband’s (partner’s) feeling on the pregnancy was not significantly associated with antenatal depression. Similarly, the study done in Addis Ababa revealed a similar result [27]. The finding in this study also showed that there was no association between husband (partner) support and antenatal depression. On the contrary, the study done in Addis Ababa showed that mothers without the baby’s father’s support were more than twice as likely to develop antenatal depression as compared with women who got support from the baby’s father [27]. The difference in social interaction among the community between the two areas might attribute to the difference in the finding.
This study had similar finding regarding the previous history of depression with the study done in South Africa in which there is no association with the variable and antenatal depression. On the contrary, the studies were done in Tanzania, Debretabor, and Addis Ababa indicated there was a significant positive association between history of depression and antenatal depression. Family history of depression also has no association with antenatal depression in this study, which is consistent with the study done in Addis Ababa [18, 27, 37]. Lack of awareness on mental health problems and poor trend of the community to seek treatment for mental health problems might attribute to the difference in findings.
This study showed that mothers who were not educated, and those who attend only elementary school had about five and four times higher odds of developing antenatal depression as compared with mothers who were educated above secondary school respectively. onthe other hand, cross-sectional studies done in Cape Town and Addis Ababa indicated that there was no association between the educational status of the mother and antenatal depression [19, 27].
Mothers who didn’t plan their pregnancy had 2.71 times higher odds of developing antenatal depression as compared with those who planned their pregnancy. This result is in line with the study done in Oman in which unplanned pregnancy had a significant positive association with antenatal depression with an OR of 1.37 [43]. Similarly, studies done in Addis Ababa, Debretabor, and South-West Ethiopia revealed similar results, in which women with unintended pregnancy were more than twice as likely to experience depression in their pregnancy [18, 27, 30]. Since pregnancy could bring major changes to the life of the mother, she should be prepared to prevent social, psychological, economical, and health-related problems that could occur due to pregnancy. Our result showed that out of 24 unmarried mothers, 19 of them had unplanned pregnancy. Being pregnant without getting married is unacceptable in Ethiopian culture mothers who are not prepared for the pregnancy may face social stigma which could lead to psychological problems like stress and anxiety. Similarly having a new baby needs financial preparation to maintain the health of the newborn and her.
Primigravida mothers were about three times (OR = 2.96) more likely to develop antenatal depression as compared with multigravida mothers in this study. This result is in line with the study done in Gondar [38]. This could be due to mothers with lack of experience on the physiological and behavioral changes during pregnancy may be fearful and unable to handle new changes.
Mothers who had anxiety in the past two weeks had 5.49times higher odds of developing antenatal depression as compared with mothers without anxiety. This result is in line with the study done in Australia and Malaysia in which mothers with anxiety had 2.15 and 3.17 times higher odds of developing antenatal depression respectively [44, 45]. Mothers with anxiety have uncontrollable worry, difficulty in concentration, disturbed sleep, and impaired occupational and social functioning which might attribute to the occurrence of depression, in which she becomes sad, irritable, and thought suicide [46].
Limitation of the study
The first limitation of this study was an inability to draw cause-effect relationship among dependent and independent variables and recall bias because the study design used was a cross-sectional study design. The tools used to assess intimate partner violence; social support, anxiety, and threatening life event were not validated in Ethiopia. The sensitivity of the issue related to IPV might have social desirability bias due to the cultural influence in which the mother who experienced violence may report as she hadn’t experienced it. For mothers and their husbands who had no constant monthly income like those who run personal-business, estimate their monthly income was difficult.
Conclusion and recommendation
The finding of this study revealed that there was a high magnitude of antenatal depressive symptoms, intimate partner violence, and threatening life events in Arba Minch town as compared with other studies done in Ethiopia. The presence of antenatal anxiety, being a primigravida mother, un-intended pregnancy and educational status were the main factors that were significantly associated with antenatal depression in this study.
Though there are women affairs and police offices in the town the offices should work together to create awareness about the adverse effect and illegality of IPV. In addition to this, the ANC clinics should include routine screening of antenatal depression, generalized anxiety, and IPV as a part of focused ANC. Also, there should be a linkage of mothers with IPV to legal authorities. Women should be empowered to tackle the cultural influence of IPV. The governments should work hard to maintain the health of the community and should educate and empower women to have a job and generate income to decrease the prevalence of TLE. In addition to this, policymakers and women affair office must focus on those predictors to reduce antenatal depression.
Acknowledgments
We would like to express our sincere gratitude to study participants for their valuable information and data collectors for their commitment during the data collection. Our thanks also go to administrators of the Gamo Gofa Zone health office and public health institutions in Arba Minch town for their cooperation.
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