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Published in final edited form as: AIDS Behav. 2017 Nov;21(Suppl 2):174–182. doi: 10.1007/s10461-017-1927-y

Patterns of Alcohol Abuse, Depression, and Intimate Partner Violence Among Township Mothers in South Africa Over 5 Years

Emily C Davis, Mary Jane Rotheram-Borus, Thomas W Weichle, Roxana Rezai, Mark Tomlinson
PMCID: PMC5839633  NIHMSID: NIHMS929267  PMID: 29027039

Abstract

Introduction

Alcohol is a major contributor to the global burden of disease. In South Africa, alcohol abuse is hypothesized to correlate with women’s HIV status, mental health, and partner relationships over time.

Methods

All pregnant women in 12 urban, low-income, Cape Town neighborhoods were interviewed at baseline, post-birth, and at 6, 12, 36, and 60 months following delivery with retention rates from 84.9%–96%. Women were assessed for any alcohol use, problematic drinking, depression, intimate partner violence, and HIV status.

Results

Prior to pregnancy discovery and five years after giving birth, alcohol use was 25.8% and 24.7%, respectively. Most women decreased their alcohol use during pregnancy. Twenty-one percent reported alcohol use on two or more assessments, and only 15% of the mothers drinking alcohol at five years were also drinking at baseline. Mothers with depression had a higher likelihood of drinking alcohol compared to mothers who were not depressed only at baseline and 6-months post-birth. Mothers who experienced IPV had more than twice the likelihood of drinking alcohol compared to non-IPV mothers at all assessments. HIV positive mothers were more likely to drink alcohol compared to mothers without HIV prior to pregnancy discovery and at 5-years post-birth.

Conclusions

These longitudinal trends in alcohol use among young women in South Africa represent a large economic, social, and health burden and must be addressed in a comprehensive manner.

Keywords: Alcohol, depression, intimate partner violence, maternal health

INTRODUCTION

Alcohol use has been recognized as a major contributor to the global burden of disease, with an even greater detrimental effect in low and middle income countries (LMICs) and people living in poverty (1, 2). South Africa has one of the highest rates of alcohol consumption globally and alcohol consumption per capita has risen over the last 10 years (3, 4). In South Africa, alcohol use plays a role in about half of all non-natural deaths (5). It is involved in 75% of homicides; 60% of automobile accidents; and 24% of vehicular deaths and injuries (6, 7). It is the third-largest contributor to death and disability after unsafe sex/sexually transmitted infections and interpersonal violence, both of which are themselves influenced by alcohol consumption as alcohol disinhibits sexual and violent behavior (2, 8). In total, more than 13 million disability-adjusted life years, or 7% of the total disease burden in South Africa, is attributed to alcohol (9, 10).

Young people aged 15 to 29 years have the greatest burden of disease attributable to alcohol use (2). Although, men generally use and abuse alcohol more frequently and experience a greater burden of disease than women (11), a significant proportion of young, black women in South Africa are also using alcohol (12, 13). Women in disadvantaged communities with comparable alcohol use to men are significantly less likely to obtain treatment (14, 15). Alcohol use in young women is associated with high rates of multiple comorbidities, including risky sexual practices, poor adherence to HIV medications, depression, and intimate partner violence (IPV) (16–19). Alcohol use among mothers can have long-standing negative effects on their children and their ability to thrive given their homes are often less organized, routines are more chaotic and maternal adherence to health regimens suffer (20). Furthermore, alcohol use in young women results in a large number of children in South Africa born with fetal alcohol spectrum disorders (FASD). At first grade, some communities have a 9.5% rate of FASD (21).

HIV

In addition to alcohol consumption, HIV prevalence in South Africa are among the highest in the world (22). With over 7 million people living with HIV and 270,000 new infections per year, the HIV epidemic in South Africa has led to the urgent development of HIV prevention programs. (23–25). Alcohol use has continuously been shown to be associated with sexual risks for HIV and sexually transmitted infections (26–28). As alcohol consumption increases, HIV prevalence also increases (29). Furthermore, alcohol use has been shown to accelerate HIV disease progression (22).

Depression

Alcohol is a depressant. Alcohol use and major depressive disorders often co-occur, exacerbating the morbidity and mortality of each risk (30–33). Individuals with depression and alcohol abuse have greater life dissatisfaction, functional impairment, and are at higher risk for suicide (34). For women, the onset of new depression is highest during the perinatal period and women living in LMIC are at particularly high risk during this time (35, 36). Rates of perinatal depression in South Africa have been found to be between 34% and 48% (37–39). In addition to being correlated with alcohol use, depression in women during the perinatal period has been related to low income, poor partner support, and IPV (40–45).

Intimate Partner Violence

IPV against women is prevalent in South Africa, especially in low-income townships (46–48). Approximately one in four South African women have been in an abusive relationship (48) and 30% of ever-partnered women have experienced IPV in their lifetime (49). Being a victim of IPV is associated with physical trauma, including intimate partner femicide, higher risk of HIV, poor reproductive outcomes, challenges to mental health and suicide attempts (48–54).

Almost all research in LMIC on these risks is cross-sectional and typically research addresses risks individually (i.e. either alcohol or depression or IPV). This article examines alcohol use among South African mothers up to five years after giving birth and the relationships between alcohol use, HIV status, depression, and IPV. A population cohort of almost all pregnant women in 12 neighborhoods in Cape Town townships were recruited with a high percentage repeatedly reassessed over time.

METHODS

The Institutional Review Boards of University of California, Los Angeles (UCLA), and Stellenbosch University approved the study, whose methods have previously been published (55). Three independent teams were involved: assessment (Stellenbosch University), intervention (Philani Programme (56)), and data analyses (UCLA). Participants completed all assessments between 2009 and 2016 and were included in the following analyses performed in 2017. This sample reflects the participants in the control condition of a randomized controlled trial.

Neighborhoods and Participants

Neighborhoods included in this evaluation (N=12) were located in low-income, peri-urban areas outside Cape Town, South Africa. A total of 12 low-income, urban women were recruited by Stellenbosch University from May 2009 to September 2010. Each recruiter went house to house to identify all adult pregnant women who were aged ≥ 18 years to obtain consent to be contacted by the assessment team. Participation was refused by only 2% of pregnant women. Additional low-income, urban women were recruited, trained, and certified to serve as interviewers who entered participants’ responses to the assessment measures on mobile phones.

The sample size comprised 594 women who were randomized to the standard care or the neighborhood condition. Follow-up assessments were conducted and 94.1% of mothers were reassessed at two-weeks post-birth, 89.1% at six-months, 91.3% at 18-months, 85.1% at 3-years, and 82.5% at 5-years post-birth. All assessments were completed by 58.1% of mothers; 8.9% (n=53) completed no follow-up re-assessments. A total of 6 participants died over the 5-year course of the study. The flow of participants over time is available from the authors upon request.

Maternal measures

Alcohol use

At each assessment, the frequency and the quantity of alcohol use was reported. There were varying time frames for women’s alcohol use reports at each assessment. At recruitment, alcohol use prior to pregnancy discovery was reported; at the post-birth assessment, alcohol use in the month prior to birth was reported. At six-months, mothers reported on alcohol use since the baby was born. Finally, at the 18-month, 3-year, and 5-year assessments, mothers reported alcohol use in the month prior to the assessment. Alcohol dependence was assessed using the Derived Alcohol Use Disorder Identification Test-Consumption (Derived AUDIT-C) (57), a three-item scale, each rated 0 – 4 on intensity; in women, a score greater than two represents problematic drinking (58).

Depression

Maternal depressed mood was reported at each assessment using the Edinburgh Postnatal Depression Scale (EPDS) (59), which has 10 items on a 0–3 likert scale. A cut-off of > 13 indicates depressed mood (39).

Intimate partner violence

Women reported at each assessment time point (except two weeks post-birth) whether they had been slapped, pushed or shoved, and/or threated with a weapon by a current partner in the past 12 months. On three items, any positive response indicated IPV.

HIV status

Women self-reported their HIV status at each assessment time point. Further, all children received at birth a government-issued Road-to-Health Card on which mothers’ HIV status could be confirmed.

Data analysis

Our analyses examined mothers’ reported alcohol use by depression, IPV, and maternal HIV status over time. Comparisons were performed separately for the any alcohol use and problematic drinking measures. Differences in alcohol use measures were assessed using chi-squared or Fisher’s exact tests for discrete variables at each time point. We used SAS 9.4 and Stata® SE software version 14.2 (60).

RESULTS

At the baseline assessment conducted during pregnancy, the average age of women in the study sample was 26.3 (standard deviation = 5.6) years. The average education level was slightly higher than 10th grade. There were 18% who were currently employed, 55% were married or lived with a partner, and 48% had a monthly household income greater than 2000 rand (151.44 USD). About 32% lived in formal housing with 55% having water on site, and 58% and 91% had a flush toilet and electricity on site, respectively. Fifty-one percent of women at baseline experienced food insecurity (i.e., hungry on more than two days in the past week) and 31% of previous children of the pregnant women experienced food insecurity.

The percentage of any alcohol use and problematic drinking over time is shown in Figure 1. Prior to pregnancy discovery, there were very high rates of any alcohol use and problematic drinking. After discovery, there was a substantial drop in problematic drinking, documented by reports of alcohol use in the month prior to birth. Beginning at six-months post-birth, the rate of drinking began to rise and continued to increase to the rate reported prior to recognizing that they were pregnant. The rates of problematic drinking at 5-years post-birth exceeded the rates of problematic drinking prior to discovery of pregnancy. Over the 5-year study period, 63.3% of mothers did not report any alcohol use, 15.8% reported at on assessment point, and 20.9% reported two or more of the assessment periods. Similarly, 67.3% reported no problematic drinking, 17.0% reported at one assessment, and 15.7% reported problematic drinking at two or more assessments. Among the mothers reporting any alcohol use at 5-years, 15% had also reported drinking at baseline. Also, 11% of mothers who had problematic drinking at 5-years also reported problematic drinking at baseline.

Figure 1.

Figure 1

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The percentage of mothers using any alcohol and those with problematic drinking from pregnancy to five years post-birth

Alcohol use by depression

Over the 5-year study period 56% of mothers reported experiencing depression for at least one time point. Depressed mothers had a significantly higher percentage of drinking any alcohol compared to non-depressed mothers when assessed prior to pregnancy discovery (χ2 (1, n = 500) = 6.85, p = 0.01; Odds Ratio (OR) = 1.72). There was a very large drop in any alcohol use during pregnancy reflected in reports in the month prior to birth, with rates similar across depressed and not depressed mothers. At six-months post-birth, depressed mothers were more than twice as likely to drink any alcohol compared to non-depressed mothers (χ2 (1, n = 487) = 9.67, p < 0.001; OR = 2.63). While rates of drinking any alcohol continued to rise through 5-years post-birth, there were no significant differences comparing depressed and non-depressed mothers. The pattern of the relationship between alcohol use and depression is very similar to that of problematic drinking. Therefore, the percentage of problematic drinking over time by depression status is shown in Figure 2. Mothers’ problematic drinking followed a similar trend over time as those drinking any alcohol. Prior to knowledge of pregnancy, depressed mothers were more likely to have problematic drinking compared to non-depressed mothers (χ2 (1, n = 500) = 4.79, p = 0.03; OR = 1.64). Depressed mothers were also more than twice as likely to have problematic drinking compared to non-depressed mothers at six-months post-birth (χ2 (1, n = 487) = 7.13, p = 0.01; OR = 2.51). However, there were no significant differences at later time points.

Figure 2.

Figure 2

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The percentage of mothers with problematic drinking from pregnancy to five years post-birth based on the presence or absence of depression

Alcohol use by IPV

Over the 5-year study period, 48% of mothers reported experiencing IPV during at least one time point. Any alcohol use was significantly associated with IPV at each time point: prior to pregnancy discovery (χ2 (1, n = 499) = 30.39, p < 0.001; OR = 3.12), at six-months post-birth (χ2 (1, n = 487) = 16.95, p < 0.001; OR = 3.32), 18-months (χ2 (1, n = 483) = 43.29, p < 0.001; OR = 6.06), 3-years (χ2 (1, n = 454) = 36.62, p < 0.001; OR = 5.26), 5-years (χ2 (1, n = 442) = 28.85, p < 0.001; OR = 4.48). Mothers who experienced IPV consistently had higher percentages of any alcohol use over time compared to those who did not experience violence. Similarly, there were significant differences in problematic drinking by IPV when assessed prior to pregnancy discovery (χ2 (1, n = 499) = 28.33, p < 0.001; OR = 3.30), at six-months (χ2 (1, n = 487) = 16.46, p < 0.001; OR = 3.66), 18-months (χ2 (1, n = 483) = 33.59, p < 0.001; OR = 5.63), 3-years (χ2 (1, n = 454) = 44.18, p < 0.001; OR = 6.08), and 5-years (χ2 (1, n = 442) = 36.64, p < 0.001; OR = 5.40) post-birth. The percentage of problematic drinking over time by IPV is shown in Figure 3. Mothers who experienced IPV had greater than twice the likelihood of having problematic drinking (similar to any alcohol use) over time compared to non-IPV mothers.

Figure 3.

Figure 3

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The percentage of mothers with problematic drinking from pregnancy to five years post-birth based on the presence or absence of intimate partner violence

Alcohol use by HIV status

HIV positive mothers had a significantly higher percentage of drinking any alcohol compared to HIV negative mothers when assessed prior to pregnancy discovery (χ2 (1, n = 460) = 4.12, p = 0.04; OR = 1.56). There was a very large drop in any alcohol use during pregnancy reflected in reports in the month prior to birth, with rates similar across mothers regardless of HIV status. Drinking rates began to rise from six-months post-birth to 3-years post-birth and were similar between mothers. However, at 5-years post-birth, HIV positive mothers were significantly more likely to drink any alcohol compared to HIV negative mothers (χ2 (1, n = 439) = 10.23, p < 0.001; OR = 2.05). The pattern of the relationship between alcohol use and maternal HIV status is very similar to the pattern of problematic drinking and, therefore, the percentage of problematic drinking over time by maternal HIV status is shown in Figure 4. Prior to knowledge of pregnancy, HIV positive mothers were more likely to have problematic drinking compared to HIV negative mothers (χ2 (1, n = 460) = 6.29, p = 0.01; OR = 1.80). A significant drop in problematic drinking in the month prior to birth occurred followed by an increase from six-months post-birth to 3-years post-birth with rates similar between mothers regardless of HIV status. Similar to any alcohol use, HIV positive mothers were significantly more likely to have problematic drinking compared to HIV negative mothers at 5-years post-birth (χ2 (1, n = 439) = 7.82, p = 0.01; OR = 1.92).

Figure 4.

Figure 4

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The percentage of mothers with problematic drinking from pregnancy to five years post-birth based on maternal HIV status

DISCUSSION

This paper shows the longitudinal patterns of alcohol use and problematic drinking among poor women in peri-urban South African townships before pregnancy discovery through the first five years after giving birth. Our sample population has similar rates of alcohol use among women to those reported by other researchers, which have ranged from 17% to 42% (5, 12, 13, 61, 62). Many women in our sample continued to drink during pregnancy, but there was an encouraging drop once women were aware of their pregnancy. We found this effect to be relatively stable when asked at the time of recruitment (9.2%) and when asked postpartum about the month before giving birth (7.2%). However, this may be in part due to false self-reporting, as previous studies of pregnant women have indicated that up to 20.2% continued to use alcohol while pregnant (13). The utility of biomarkers in future studies may reduce the effect of self-report bias or social desirability bias. In the five-year post-partum period in our study, drinking behavior gradually returned to the high levels seen at baseline, prior to pregnancy discovery.

It is important to note, however, that of the study participants who were reporting any alcohol use and problematic drinking five years after giving birth were not the same study participants that reported these behaviors at baseline. The relatively small percentages of mothers using any alcohol or reporting problematic drinking at both baseline and five-years post-birth (15% and 11%, respectively) indicate that there is more going on than a simple return to drinking behavior. We have previously reported on the stability in drinking behavior seen over time in this study (63), but further research is needed to determine why some mothers return to drinking and some do not, and why some mothers begin drinking several years post-birth who were not drinking before. A more thorough understanding of what contributes to alcohol use among South African mothers is needed.

Parallel to previous research, HIV positive mothers in the current study had higher rates of drinking any alcohol compared to HIV negative mothers when assessed prior to pregnancy discovery and 5-years post birth (26, 27, 64). When observing problematic drinking, mothers with HIV were also more likely to engage in problematic drinking compared to HIV negative mothers. Alcohol use was similar among HIV positive and negative mothers during pregnancy, 6 months post birth, and 3 years post birth. The drop in alcohol consumption seen among all mothers upon pregnancy discovery and throughout pregnancy has been demonstrated in other studies (12, 65).

Depression was found to be extremely common among South African mothers. Our findings support previous research studies that have found high rates of depression in South African women ranging from 30% to 50%, with our rates even exceeding those reports (37, 38, 62). Several other studies have demonstrated a correlation between alcohol use and depression (31, 66, 67); however, our longitudinal study has shown that this may only be true during the more stressful and vulnerable antenatal and postnatal time periods (68).

In our sample, almost half of mothers reported having experienced IPV at some point during the study. This is similar to previously reported rates of IPV in other South African studies (69, 70). Additionally, this five-year follow-up continues to report the strong correlation between IPV, alcohol use and problematic drinking in mothers. The negative impact associated with IPV which has been previously reported (63), persists to 60 months. It remains unclear whether this represents continued relationships with one violent partner or new partners engaging in IPV. In either scenario, the increased risk for alcohol use and problematic drinking appears to become more significant over time. The reported two-fold increase in risk for alcohol use among victims of IPV is consistent with previous studies (71).

Alcohol abuse in South Africa is an urgent public health priority, and the country has set a goal to reduce its per capita consumption 20% by 2020 (72). With a shortage of medical professionals to address this problem and other chronic diseases, LMIC are increasingly using community health workers (CHWs) to implement interventions and improve quality of care (73, 74). However, despite the multiple health challenges associated with poverty in LMIC, CHWs typically address only a single health challenge – for example, to reduce perinatal HIV transmission, low birth weight infants, or malnutrition (75–80). Yet, a single modal approach to reducing alcohol use may not be effective in the context of multiple serious comorbidities that we demonstrated in this article: alcohol, depression, and IPV.

CONCLUSIONS

This study supports previous cross-sectional work showing the high rates of alcohol use and problematic drinking in women in of reproductive age in South Africa of reproductive age. However, cross sectional studies, which are common in LMIC, limit the ability to demonstrate the effect of an intervention and trends over time (81). Following this cohort of mothers over five years after an initial pregnancy allows us to see both how persistent alcohol use is and the considerable discontinuity in use and abuse over time. Women who receive a preventative intervention during the prenatal period do reduce their alcohol use (82), but continued support, and recognition of other psychosocial factors, may be required to make a more lasting impact. These women re-initiated alcohol use post-pregnancy.

Previous studies focusing on single outcomes do not adequately reveal how alcohol contributes to women’s health and may not sufficiently characterize the influence of alcohol consumption on IPV, depression, and sexually transmitted infections (83–85). Our study strongly supports the correlation between IPV and alcohol use overtime and contributes to the understanding of these two variables. However, depression, alcohol use and problematic drinking only appear linked in the peri-natal period. It is possible that other factors associated with depression, such as a lack of financial resources, no partner, and food insecurity (86), cause more stress and lead to more drinking, for mothers during these time periods and not in the years after birth.

An important consideration for future researchers is the impact that alcohol use, depression, and the maternal experience of IPV have on children (87). These three factors have been associated with children experiencing physical and emotional abuse by caregivers (38, 88, 89), and lead to increased alcohol use, mental health problems, and future IPV (both perpetration and victimization) as children become young adults (75, 90, 91). Long term follow-up of the children of alcohol using or depressed mothers, and mothers who have experienced IPV could help identify additional harmful or protective factors.

Acknowledgments

This study was funded by the National Institute on Alcohol Abuse and Alcoholism (1R01AA017104), the National Institute of Mental Health (T32MH109205), the UCLA Center for HIV Identification, Prevention and Treatment Services (P30MH58107), the UCLA Clinical and Translational Science Institute (UL1TR000124), the UCLA Center for AIDS Research (P30AI028697), Ilifa Labantwana, the ELMA Foundation, the DG Murray Trust, and National Research Foundation (South Africa) and the Department for International Development (DfID-UK). ClinicalTrials.gov registration #NCT00972699

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