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Correlates of abortions and condom use among high risk women attending an std clinic in st Petersburg, Russia
Reproductive Health volume 8, Article number: 28 (2011)
Many women in Russia rely on abortion as a primary birth control method. Although refusal to use contraceptives, including condoms, may undermine public health efforts to decrease HIV sexual risk behaviors, few studies have investigated the risk factors associated with abortion among women at high risk for HIV. This study sought to identify the correlates of abortions and of lack of condom use among high risk STD clinic patients in St Petersburg Russia.
Cross-sectional analysis of data collected between 2009 and 2010 from women who had casual or multiple sexual partners in the previous three months was analyzed. Multivariate logistic regression assessed the independent correlates of abortion(s) and no condom use in the prior three months. Independent variables included socio-demographics, at risk drinking per alcohol use disorder identification test (AUDIT-C) criteria, having sex after drinking alcohol, having a sexual partner who injects illicit drugs, and parity.
Of 87 participants, 45% had an abortion in their lifetime and 26% did not use condoms in the prior three months. Abortion was independently associated with low income (OR, 3.33, 95%CI, 1.13-9.78) and at risk drinking (OR, 3.52, 95%CI, 1.24-10.05). Lack of condom use was independently associated with being more likely to have sex after drinking (OR, 3.37, 95%CI, 1.10-10.28) and parity (OR, 3.69, 95%CI, 1.25-10.89).
Programs to increase contraceptive use including condom use among women at high risk for STD/HIV in Russia are needed. Programs to reduce sexual HIV risk and abortion rates must address alcohol misuse and target women with limited income.
Abortions were the primary means of birth control in the Soviet Union [1, 2], and abortion rates in Russia are among the highest in the world today. Data from the United Nations Statistics Division from 2003 to 2004, show an abortion rate in Russia of 54% per 1,000 women aged 15 to 44, which is more than twice the rate in the United States (21% per 1,000 women aged 15 to 44) and the highest of the Eastern and Western European countries . Studies in Russia show that abortion prevalence as reported by women can range from 50% to 75% in different cities [4, 5]. Although efforts to decrease unwanted pregnancy and abortion rates in the mid-1990s [6–9] have led to a reduction of abortions and better attitudes toward contraceptive methods in Russia , recent studies show that some Russian women still prefer not to use contraceptives [4, 10] and may rely on abortions as a method of birth control [10, 11].
Women who use abortions as a means to prevent births are particularly vulnerable to HIV in Russia as the epidemic spreads from a predominantly male population who inject drugs to their sexual partners . Data from the Russian Ministry of Health indicate that 3% of new HIV infections among women were acquired during unprotected sex with infected men . Moreover, the refusal to use contraceptives including condoms may undermine efforts of programs to reduce sexual risk behaviors among women. For these reasons, investigations of risk factors for abortions and unsafe sex among high risk populations in Russia may provide useful information for interventions to reduce human immunodeficiency virus (HIV) risk and unwanted pregnancies and to improve the reproductive health of women.
Although data consistently show that abortions are common in Russia , studies of the factors associated with abortions show contradictory findings. In one Russian study conducted among the general population the women who reported having multiple sexual partners were generally more likely to have abortions , whereas in a study among female injection drug users in St Petersburg, the women who had multiple sexual partners were less, not more likely to have abortions . Population surveys suggest that specific risk factors may place women at greater risk for abortions, such as having first intercourse below age 18, having lower number of years of education , or having economic constraints , but these risk factors for abortion have not been investigated in samples of women at high risk for HIV. Moreover, most studies of abortions in Russia have not investigated whether substance use related factors may play a role in abortions. Data show that the rates of alcohol use among Russian women can be high [15–17]. Alcohol misuse, which has been associated with behaviors that place women at greater risk for sexually transmitted diseases (STDs)/HIV, such as unplanned sexual intercourse, unprotected sex [18, 19] and intimate partner violence  may also place women at greater risk for unwanted pregnancies. There is evidence that sexual risk behaviors may be associated with substance use characteristics of one's sexual partner .
Despite the need for data, few studies of abortions have been conducted among women at high risk for STDs/HIV in Russia. We conducted an initial study to identify the correlates of abortions and lack of condom use among women attending an STD clinic in St Petersburg, Russia, who reported having multiple or casual sex partners in the last three months.
Study participants and data collection
The present study analyzes the baseline assessment data of a randomized controlled trial of a behavior intervention pilot designed to examine whether a brief intervention can reduce HIV-related risk behaviors of participants. This study was approved by the institutional review boards at the Biomedical Center in St. Petersburg, Russia, and at Yale University in the United States. The study was conducted in a public STD clinic in St. Petersburg, Russia which provides services free of charge or for a nominal fee to patients. Patients seeking STD services were screened for participation in the study. An invitation was made to 338 patients who met the study entry criteria of being at least 18 years old and who reported having two or more sexual partners or at least one casual sexual partner in the three months prior to the interview. Potential participants were informed of the purpose of the study and were assured that the study was confidential and voluntary. A total of 31 patients refused to participate; 307 gave signed informed consent and completed the baseline assessment from July 2009 through November 2010. Of the 307 patients, 87 were women, and they were included in the present analysis.
Data collected included questions on demographics, alcohol use, drug use, HIV/AIDS knowledge and attitudes, sexual risk behaviors, and abortion. Nine questions inquired about participants' attitudes towards condom use, including two that were specifically related to alcohol use in sexual contexts.
Demographic variables included age, sex, marital status, education, and monthly income. A short version of the alcohol use disorders identification test (AUDIT-C) was used to measure alcohol misuse. Participants were asked the following three questions: 1) How often have you had an alcoholic drink in the past three months? 2) How many drinks on average do you typically have on a day when you are drinking? 3) How often in the past three months did you have six or more drinks on one occasion? Each option for each question is allotted a score between 0-4; thus the score range of AUDIT-C is 0-12. Women who presented with scores greater than 2 points were considered more likely to be harmed from drinking (at risk drinking) [22, 23]. Because the AUDIT-C measure has not been validated for this particular Russian population, we also analyzed women with AUDIT-C scores greater than 3 points (high risk drinking) and scores greater than 4 points (severe risk) for the sake of comparison. Assessment of expectations about alcohol use concerning sexual relations was based on participants' answers (yes or no) to two questions: 1) Alcohol makes sex more enjoyable, and 2) When I am under the influence of alcohol I agree to have sex more easily. Injection drug use was determined according to the question: "Have you ever injected illicit drugs?" Having an injection drug using (IDU) partner was determined according to another question: "Have you ever had a partner whom you think injected drugs?" Participants were asked how many sexual partners they had in the previous three months. Participants were also asked whether they used condoms and whether they consumed alcohol prior to intercourse in the past three months. The options for these two questions were never, sometimes, in half of the cases, in most of the cases, and always. In the present study, we dichotomized these variables as "never use" or "at least some use." Participants were asked whether they had been pregnant, whether they had delivered a child, whether they had an abortion, and the number of abortions they had. Any participant who reported having had one or more abortions was considered as having had an abortion.
Standard descriptive statistics were used to describe the sample. Bivariate and multivariate logistic regression models were used to determine correlates of abortion as well as predictors of never using condoms. Associations at p ≤ 0.20 were entered into the multivariate logistic regression models. Backward stepwise elimination was used to produce adjusted-odds ratios for variables with significance levels ≤ 0.05. Because at risk drinking, high risk drinking and severe risk drinking are components of AUDIT-C scores, those three covariates were entered into separate multivariate models to avoid collinearity. Data were analyzed by using SAS software (version 9.1, SAS Institute Inc., Cary, NC).
Characteristics of study participants
The age of the 87 participants ranged from 18 to 50 years, with a median of 26.0 years (Table 1). Nearly one-third of participants were married, half had at least some higher education, and 41% reported a monthly income < 9,000 rubles (approximately 320 USD), the most frequently endorsed income. Of all participants, half were classified as engaging in at risk drinking per AUDIT-C, nearly half stated that they were more likely to agree to have sex after drinking alcohol, and a third reported finding sex more enjoyable after alcohol consumption. The prevalence of women with AUDIT-C scores for high risk drinking and severe risk drinking were 31% (27/87) and 17% (15/87), respectively (not shown in the table). Although 16.1% of participants had ever had an IDU partner, only 1 of the 87 participants had ever injected drugs herself. In the previous three months, nearly a quarter of participants claimed "never" to use condoms, and 78% reported using alcohol prior to sex at least some of the time. About 63% of the participants had been pregnant, 41% had delivered a child (parity) and approximately 45% had had an abortion.
Correlates of abortion
In the bivariate analysis, age ≥ 26 years [odds ratio (OR), 4.64, 95% confidence interval (CI), 1.86-11.58, p = 0.001], at risk drinking (uOR, 2.50, 95% CI, 1.05-5.97, p = 0.039), being more likely to agree to have sex after drinking (uOR, 3.57, 95% CI, 1.47-8.68, p = 0.005) and parity (uOR, 4.80, 95% CI, 1.92-12.02, p = 0.001) were significantly associated with abortion (Table 2). In the multivariate analysis, only age (aOR, 8.87, 95% CI, 2.83-27.82, p < 0.001), low income (aOR, 3.33, 95% CI, 1.13-9.78, p = 0.029) and at risk drinking (aOR, 3.52, 95% CI, 1.24-10.05, p = 0.018) remained significantly associated with abortion.
In the analyses using AUDIT-C with higher cutoff points (not shown in the table), abortion was significantly associated with high risk drinking (uOR, 2.94, 95% CI, 1.15-7.53, p = 0.025) but was not associated with severe risk drinking (uOR, 2.10, 95% CI, 0.68-6.53, p = 0.200). When placed in the multiple logistic regression model instead of at risk drinking, high risk drinking was independently associated with abortion (aOR, 4.03, 95% CI, 1.31-12.30, p = 0.015) together with age ≥ 26 years (aOR, 8.33, 95% CI, 2.70-25.67, p < 0.001) and low income (aOR, 3.57, 95% CI, 1.20-10.62, p = 0.022) whereas severe risk drinking remained nonsignificant.
Correlates of not using condoms
In the bivariate analysis, being more likely to agree to sex after drinking (uOR, 4.72, 95% CI, 1.64-13.62, p = 0.004) and parity (uOR, 5.03, 95% CI, 1.79-14.14, 0.002) were significantly associated with not using condoms (Table 3). In the multivariate analysis these two variables remained independently associated with not using condoms with aORs of 3.37 (95% CI, 1.10-10.28, p = 0.033) and 3.69 (95% CI, 1.25-10.89, p = 0.018), respectively.
The analyses using AUDIT-C with higher cutoff points showed no significant association between not using condoms and high or severe risk drinking (not shown in the table).
This is the first study to investigate whether there is an association between abortions and substance use related factors among women who have casual or multiple sexual partners and are at high risk for HIV and STDs in Russia.
Abortions were independently associated with at risk drinking and with high risk drinking according to AUDIT-C. Although this study could not investigate the reasons for these associations, a few speculations might explain the results. For example, it is possible that these drinkers are less concerned about avoiding abortions, or perhaps they are considering abortion as a birth control method. The latter hypothesis is plausible since studies have shown that some Russian women, particularly disadvantaged ones may be more likely to consider abortion as a birth control method [10, 11] and that problematic drinking may be associated with economic strain among Russian men [24, 25]. Abortions could also result from the drinkers' greater engagement in risky sexual behaviors leading to a greater chance of an unplanned pregnancy occurring. This is consistent with findings showing that women who drink may be more likely to engage in unplanned intercourse and to report having unplanned pregnancies [26, 27]. Studies in Russia have also shown that alcohol consumption may be associated with having multiple sexual partners [28, 29] and that abortions may be more common among women who have multiple sexual partners . Studies that investigate the hypotheses presented above are needed in Russia. The findings suggest that interventions to decrease unwanted pregnancies in this population might benefit from addressing alcohol use.
There was no association found between abortion and severe risk drinking. Although this could be an effect of the small sample size studied, it could also be a reflection of the "drinking paradox" , which states that certain types of alcohol related harm may primarily be observed among low or moderate drinkers rather than among hazardous drinkers. This effect could be due to lower sexual activity or a relatively lower level of sexual risk among those who engaged in severe patterns of drinking. Although a preference for distilled spirits and a high social tolerance for heavy drinking [16, 29] have been thought to partly account for the high rates of alcohol related harm in Russia [17, 31], it is possible that, concerning sexual risk taking, heavier drinkers in Russia may be more tolerant to the sedative or disinhibiting effects of alcohol than more moderate drinkers or drinkers from other cultures [32, 33]. These findings emphasize the need for the adaptation and validation of measures of alcohol use that are more specific to Russian populations and for larger studies that investigate alcohol and risky sexual behaviors.
Abortions were independently associated with lower income. Although this study did not investigate contraceptive use among participants, abortions might have resulted from a lack of hormonal contraceptive use by participants with lower incomes. In a previous study of women in St Petersburg, Russia, lower socioeconomic status was associated with a lack of hormonal contraceptive use . Another study in Russia found that women who were economically disadvantaged were more likely to resort to repeated abortions and to report economic reasons for those abortions . This study could not compare the characteristics of women who had one abortion to those of females who had repeated abortions because of the restricted sample size. Future studies with larger sample sizes will needed to investigate the factors that encourage women to opt for an abortion or repeated abortions and that influence the choice of contraceptives in the study population. Economically disadvantaged women may lack access to effective contraceptive methods or may face obstacles to obtaining female reproductive health care services. These results indicate a need for intervention programs to increase contraceptive use among these women.
Reports of not using condoms in the previous three months was independently associated with claims of more easily agreeing to have sex after drinking but was not associated with drinking prior to sex or with alcohol misuse (i.e., at risk, high risk or severe risk drinking). Other studies have found such lack of association between alcohol use and unprotected sex [35, 36]. Our results indicate that drinking may lead to unprotected sex only among some drinkers or only in some instances of drinking in sexual contexts. The results confirm the need to address alcohol misuse among participants. Future studies using event level approaches should investigate the drinking patterns and contexts that lead women to forgo condoms .
The results showing that having previously delivered a child (parity) was independently associated with not using condoms may reflect, for example, a greater economic constraint among women who have children. A study in Russia showing that the financial costs of contraceptive use, including condoms, during one year might be higher than the cost of an abortion  suggest that some women may perceive abortions to be economically more viable than the consistent use of condoms. It is also possible that those who have had children may have been using contraceptives other than condoms (e.g., an IUD) or undergone a surgical sterilization procedure. However, being married or having had an abortion was not independently associated with lack of condom use. Future studies will need to investigate the barriers for condom use among women who have children and are at greater risk for STD/HIV.
The 45% prevalence of abortion among participants in this study is similar to the nearly 50% prevalence found in studies among Russian women from the general population between 1973 and 2003 [4, 5] and was somewhat lower than the 67% abortion prevalence found among female drug injectors in 2004 in St Petersburg, Russia . Given that this study only recruited female STD clinic patients who reported having casual or multiple sexual partners, the prevalence of abortions and unprotected sex presented in this study are high and suggest that these women are at greater risk for HIV/STDs. These results confirm that there is a need for abortion studies focused on high risk women.
The main limitation of this study is its small sample size, which restricted the analyses that could be conducted and indicates the need for larger studies to confirm these results. We did not ask participants about contraceptive use patterns. The fact that the study sample was highly selective limits the generalizability of the results. The data was based on self-reports of sensitive behaviors during face-to-face interviews, which may have introduced social desirability and recall bias. To our knowledge, the AUDIT-C cutoff scores have not been validated in Russian populations. If Russian women's tolerance for alcohol is greater compared to women from other countries, the results may have overestimated the pattern of alcohol misuse among women. Conversely, since AUDIT-C was based on the question "How often have you had more than six drinks in a row?," this study may have missed the women with lower tolerance for alcohol who engage in alcohol related sexual risk behaviors after drinking fewer than six drinks in a row. However, the study provides a unique opportunity for identification of reproductive health risks that place women at risk for unwanted pregnancies and STD/HIV.
Abortion was independently associated with alcohol misuse per AUDIT-C criteria and low income. Not using condoms was associated with women being more likely to agree to have sex after they drink. Programs to increase contraception use among this high risk group may need to address alcohol use and target women who may be economically disadvantaged. Further studies are needed to investigate the contraceptive behaviors among participants and the role that alcohol use and economic constrains may play in women's patterns of contraceptive use and abortion rates.
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Acknowledgements And Funding
This work was funded by Grant Number R01AA017389 from the National Institute on Alcohol Abuse and Alcoholism (PI: N. Abdala).
The authors declare that they have no competing interests.
NA: main contributor to conception, statistic analyses and writing. WZ: contributed to data analysis and interpretation of the data. AS: contributed to data acquisition, coordination and management, as well as quality control and interpretation of data. RS: contributed to data acquisition, coordination and management, as well as quality control and interpretation of data. AK: contributed to conception and review of the manuscript. TK: contributed to data acquisition, quality control and interpretation and management of data. All authors read and approved the final manuscript.
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Abdala, N., Zhan, W., Shaboltas, A.V. et al. Correlates of abortions and condom use among high risk women attending an std clinic in st Petersburg, Russia. Reprod Health 8, 28 (2011). https://doi.org/10.1186/1742-4755-8-28
- condom use
- HIV risk
- high risk women
- alcohol misuse