Abstract
Background
Understanding the influences on condom use among men and women living with HIV is critical to tailoring sexually transmitted infection/HIV prevention efforts.
Methods
This is a sub-analysis of a cross-sectional survey including 255 women and 220 men who were sexually active, HIV-positive, and attending HIV care visits in Lilongwe, Malawi. We estimated adjusted prevalence ratios (aPRs) to evaluate for factors associated with consistent condom use (always using condoms in the past month) and use at last coitus for men and women in separate models.
Results
Among women: 38% and 55% reported consistent condom use and condom use at last coitus, respectively. For women, consistent use and use at last coitus were positively associated with the ability to refuse sex without condoms and shared decision-making compared with making the decision alone regarding condom use, and negatively associated with desire for children in the future. Consistent use also increased with longer antiretroviral therapy (ART) use (≥1 year compared with no ART use). Among men: 51% and 69% reported consistent condom use and condom use at last coitus, respectively. For men, the ability to refuse sex without condoms was associated with consistent use and use at last coitus, and believing that condoms should be used with other contraception was associated with consistent use.
Conclusions
Our findings demonstrate ongoing low condom utilisation among HIV-positive individuals, and highlight that ART and contraceptive use do not deter condom use. Efforts to increase condom utilisation must recognise individual-level factors that influence use and should focus on relationship dynamics and promotion of empowerment and self-efficacy.
Keywords: hiv, condom, malawi, antiretroviral therapy
Key messages.
Contraceptive use among men and women living with HIV in Malawi remains poor.
Condom use is influenced more by relationship dynamics, fertility intention and self-efficacy than perception of infection or transmission risk.
Contraceptive and antiretroviral use does not deter condom use.
Introduction
Despite significant progress over the past decade to reduce HIV transmission through increased availability of HIV testing, improved access to and utilisation of antiretroviral therapy (ART) and interventions to prevent maternal-to-child transmission (PMTCT), condoms continue to be under-utilised.1 Correct and consistent condom use can reduce HIV transmission risk by 80%.2 Condoms have been promoted among high-risk and HIV-positive individuals with limited success,3 despite recognition of their efficacy in reducing HIV, and prior to the last decade, their status as the principal biomedical intervention for prevention. Low utilisation of condoms has been associated with cost, religious ideology, alcohol or drug use, younger sexual debut, poor knowledge of HIV/AIDS, beliefs of diminished sexual pleasure and male emotional fulfilment, disbelief in prevention efficacy, distrust in relationships, gender inequality and perceptions of modesty.4
People living with HIV can now live longer and healthier lives on ART, and as their life experiences change, their sexual behaviours, fertility desires and perceptions of condom need may also shift. Malawi has one of the highest HIV prevalence rates in the world at 10.6%.5 Malawi has achieved great success in curbing the HIV epidemic, demonstrating a declining incidence of HIV of approximately 35% from 2009 to 2012.6 Although condoms are freely distributed at ART clinics and educational messaging is integrated into clinic visits, consistent condom use has remained poor among individuals with HIV who receive ART, even among discordant couples.7 Understanding the dynamic influences that affect condom use among individuals with HIV in care is a critical step towards tailoring interventions to increase condom use.
With the expansion of ART across the region, and increasing interest in the role of ART as a preventive strategy to reduce HIV infectivity, information on sexual practices among HIV-positive men and women on ART is critical. The purpose of this analysis is to identify factors associated with condom use among individuals infected with HIV receiving care in Lilongwe, Malawi.
Methods
This is a sub-analysis of data collected in a cross-sectional study evaluating reproductive health knowledge, attitudes and practices among HIV-positive individuals. We received approval to conduct the study from the National Health Services Research Committee in Malawi, the institutional review board at Emory University, and the institutional review board at the University of North Carolina-Chapel Hill. The study population included participants who attended one of the Lighthouse Trust clinics, integrated HIV testing, treatment, and care clinics in Lilongwe, Malawi. Methods for recruitment and enrollment were previously published.8 Briefly, between 26 September 2013 and 20 December 2013, we enrolled HIV-positive individuals between the ages of 18 and 45 years who were sexually active in the last 6 months. A sample size of 600 individuals was selected based on feasibility within the study time frame. Individuals were recruited from the waiting area in the clinic and taken to a private area to confirm study eligibility, review and sign written consent, and complete a questionnaire. For this analysis, we excluded individuals who did not report sexual intercourse in the last month.
Utilising a social-ecological framework, we conducted focus group discussions at the clinic prior to this study to inform the development of the questionnaire. Survey questions were a compilation of original study questions and questions used in the Malawi 2010 Demographic and Health Survey9 (DHS). Questions were pilot tested for clarity and intent prior to study initiation. The questionnaire was administered in Chichewa by a trained interviewer using a paper-based, semi-structured questionnaire with 160 questions for women and 130 questions for men.
There were two primary outcomes of interest: self-reported condom use at last coitus (No vs Yes) and consistent condom use (Always vs Sometimes or Never) during intercourse over the past month. Condom use referred to use of either the male or female condom; however, female condom use is uncommon in Malawi.
Potential correlates of interest fell into six domains: (1) Sociodemographics: age, marital status, education, religion; (2) HIV-related: years since diagnosis, current use of ART, partner aware of HIV status, do HIV medications reduce risk of transmission to partner; (3) Sexual characteristics and risk behaviour: partner’s serostatus, do you think your most recent partner has sex with others, number of partners in last month, sexual frequency, use of alcohol or drugs prior to or during sex in the last month; (4) Perception of condoms: effective at preventing pregnancy, effective at preventing HIV transmission risk; (5) Communication and self-efficacy: would you be able to refuse sex if your partner did not want to use a condom, in a relationship, who usually makes decisions on condom use; (6) Fertility intention and dual protection: do you want more children in the future; did you or your partner use contraceptive (other than condoms) at last intercourse, if partner is using contraceptive, do they need to use condoms.
Bivariate associations were determined using chi-squared tests for categorical variables and t-tests for continuous variables. Variables where the majority (≥95% of total study cohort) were within one of the categories were not maintained in the analysis. For continuous variables, we examined the data using categories based on median values, natural breaks, or common categories from similar studies. For these variables, where categorical evaluation did not reveal any nonlinear associations, the variable remained continuous for the analysis.
We conducted separate multivariate analyses for women and men using Poisson regression with robust standard errors to estimate the adjusted prevalence ratios (aPR) and 95% confidence intervals (CIs) for variables associated with our primary outcomes. Variables that were significant at P<0.10 in bivariate analysis were included in each multivariate model.
Results
We screened 623 individuals (349 women and 274 men) and enrolled a total of 562 study subjects (90.2%; 308 women and 254 men). A total of 475 individuals reported intercourse in the last month and were included in this analysis (255 females and 220 males). The mean age of the participants was 34.6 (range 18–45) years. The majority reported being married or in a committed relationship with one partner (n=468; 98.5%), sex with only one partner in the past month (n=456, 96.0%), and had at least one child (n=455; 95.7%). Eighty-eight (18.6%) had a child born with HIV, and 126 (26.6%) had transmitted HIV to a partner.
Characteristics of our cohort by gender are presented in table 1. The female participants were younger, more likely to desire children in the future, use contraception at last coitus and think their partner had sex with others. Males were more likely to use alcohol or drugs before or during coitus, know their partner’s status and be able to refuse sex without a condom. Among the female participants, 38.2% (97/254) and 55.3% (140/253) reported always using a condom in the past month and condom use at last intercourse, respectively. Males were significantly more likely to report consistent condom use (p=0.004) and condom use at last intercourse (p=0.002) compared with female participants, with 51.4% (113/220) and 69.3% (151/218) males reporting always using a condom in the past month and condom use at last intercourse, respectively. Among all participants, a majority believed that either the use of ART increases the risk of transmission to partners (n=212, 45.0%) or does not change the risk (n=102, 21.7%).
Table 1.
Demographic, behavioural characteristics and beliefs among study participants by gender
| Characteristics | Female (n=255) | Male (n=220) | P value* | ||
| n | (%) | n | (%) | ||
| Age (years, mean±SD) | 32.1±6.36 | 37.40±5.19 | <0.001 | ||
| Martial status | 0.087 | ||||
| Married/committed relationship | 249 | (97.6) | 219 | (99.6) | |
| Single/dating | 6 | (2.4) | 1 | (0.4) | |
| Education | 0.011 | ||||
| Some secondary or less | 219 | (85.9) | 169 | (76.8) | |
| Completed secondary or more | 36 | (14.1) | 51 | (23.2) | |
| Religion | 0.264 | ||||
| Catholic | 50 | (19.7) | 47 | (21.5) | |
| Protestant | 186 | (73.2) | 152 | (69.4) | |
| Muslim | 18 | (7.1) | 17 | (7.8) | |
| Other/no religion | 0 | (0) | 3 | (1.4) | |
| Years since diagnosis (mean±SD) | 4.64+3.45 | 4.62±4.14 | 0.949 | ||
| Use of alcohol or drugs before/during sex in last month | <0.001 | ||||
| No | 229 | (92.3) | 161 | (73.2) | |
| Yes | 19 | (7.7) | 59 | (26.8) | |
| Most recent sexual partner HIV-positive | 0.004 | ||||
| No | 47 | (18.5) | 40 | (18.2) | |
| Yes | 163 | (64.2) | 164 | (74.6) | |
| Do not know | 44 | (17.3) | 16 | (7.3) | |
| Most recent sexual partner has sex with other people | <0.001 | ||||
| No | 81 | (31.8) | 141 | (64.4) | |
| Yes | 101 | (39.6) | 30 | (13.7) | |
| Do not know | 73 | (28.6) | 48 | (21.9) | |
| Sexual frequency in last month | 0.658 | ||||
| ≤weekly | 120 | (47.1) | 108 | (49.1) | |
| >1x/week | 135 | (52.9) | 112 | (50.9) | |
| Sexual partners in past month (n) | 0.073 | ||||
| 1 | 248 | (97.2) | 208 | (94.6) | |
| 2–4 | 4 | (1.6) | 11 | (5.0) | |
| >5 | 3 | (1.2) | 1 | (0.4) | |
| Children (n) | 0.006 | ||||
| 0 | 14 | (5.5) | 6 | (2.7) | |
| 1–2 | 123 | (48.2) | 81 | (36.8) | |
| >3 | 118 | (46.3) | 133 | (60.5) | |
| Desire more children in the future | 0.010 | ||||
| No | 160 | (62.8) | 161 | (73.9) | |
| Yes | 95 | (37.2) | 57 | (26.1) | |
| Contraceptive use at last intercourse (IUD, implant, DMPA, pills, sterilisation, not including condom) | 0.202 | ||||
| No | 140 | (55.6) | 135 | (61.4) | |
| Yes | 112 | (44.4) | 85 | (38.6) | |
| Currently using ART | 0.846 | ||||
| No | 29 | (11.4) | 26 | (11.8) | |
| Yes, <2 years | 86 | (33.7) | 79 | (35.9) | |
| Yes, >2 years | 140 | (54.9) | 115 | (52.3) | |
| Believe HIV medications effect transmission risk to partner | 0.577 | ||||
| Increases risk or no change | 166 | (65.6) | 149 | (68.0) | |
| Decreases risk | 87 | (34.4) | 70 | (32.0) | |
| Believe condoms are effective at preventing pregnancy | 0.487 | ||||
| No | 28 | (11.0) | 20 | (9.1) | |
| Yes | 226 | (89.0) | 200 | (90.0) | |
| Believe condoms prevent HIV transmission to partner | 0.057 | ||||
| No | 41 | (16.7) | 50 | (23.8) | |
| Yes | 205 | (83.3) | 160 | (76.2) | |
| Believe one needs to use a condom if using also birth control method | 0.064 | ||||
| No | 69 | (27.3) | 44 | (20.0) | |
| Yes | 184 | (72.7) | 176 | (80.0) | |
| Can refuse sex if partner did not want to use a condom | <0.001 | ||||
| No | 127 | (50.6) | 64 | (29.4) | |
| Yes | 124 | (49.4) | 154 | (70.6) | |
| Decision-making about using condom use | 0.117 | ||||
| I do (did) | 131 | (54.4) | 93 | (45.2) | |
| My partner does (did) | 35 | (14.5) | 31 | (15.0) | |
| We both do (did) equally | 75 | (31.1) | 82 | (39.8) | |
| Consistent condom use in past month | 0.004 | ||||
| No | 157 | (61.8) | 107 | (48.6) | |
| Yes | 97 | (38.2) | 113 | (51.4) | |
| Condom use at last intercourse | 0.002 | ||||
| No | 113 | (44.7) | 67 | (30.7) | |
| Yes | 140 | (55.3) | 151 | (69.3) | |
*P value by t-test for continuous variables and Pearson chi-square or Fisher exact test for categorical variables.
ART, antiretroviral therapy; DMPA, depot medroxprogesterone acetate; IUD, intrauterine device.
Bivariate associations
For the female participants, consistent condom use in the past month was significantly associated with non-Catholic status, knowing one’s partner’s HIV status, lower sexual frequency (once weekly or less), no desire for future children, using ART, recognising a role for dual protection (belief that one needs to use a condom when also using a birth control method), the ability to refuse sex without a condom, and shared decision making on condom use (table 2). These same factors (table 3) except for ART use were associated with condom use at last coitus. Additionally, higher education was also associated with condom use at last coitus.
Table 2.
Demographic, behavioural characteristics and beliefs of female and male participants by reporting consistent condom use in the last month
| Characteristics | Consistent condom use (always using condom in last month) | |||||||||
| Female (n=254) | Male (n=220) | |||||||||
| No (n=157) | (61.8%) | Yes (n=97) | (38.2%) | P value* | No (n=107) | (48.6%) | Yes (n=113) | (51.4%) | P value* | |
| n | (%) | n | (%) | n | (%) | n | (%) | |||
| Age (years, mean±SD) | 32.0±6.2 | 32.2±6.7 | 0.746 | 36.8±5.4 | 38.0±4.9 | 0.086 | ||||
| Marital status | 0.804 | 0.303 | ||||||||
| Married or committed relationship | 153 | (61.7) | 95 | (38.3) | 106 | (48.4) | 113 | (51.6) | ||
| Single or dating | 4 | (61.7) | 2 | (33.3) | 1 | (100.0) | 0 | (0) | ||
| Education | 0.173 | 0.370 | ||||||||
| Some secondary or less | 139 | (63.5) | 80 | (36.5) | 85 | (50.3) | 84 | (49.7) | ||
| Completed secondary or more | 18 | (51.4) | 17 | (48.6) | 22 | (43.1) | 29 | (56.9) | ||
| Religion | 0.009 | 0.934 | ||||||||
| Catholic | 39 | (78.0) | 11 | (22.0) | 23 | (48.9) | 24 | (51.1) | ||
| Other | 118 | (57.8) | 86 | (42.2) | 83 | (48.3) | 89 | (51.7) | ||
| Years since diagnosis (mean±SD) |
4.5±3.6 | 4.9±3.2 | 0.418 | 4.0±3.3 | 5.2±4.7 | 0.024 | ||||
| Use of alcohol or drugs before/during sex in last month | 0.851 | 0.011 | ||||||||
| No | 139 | (61.0) | 89 | (39.0) | 70 | (43.5) | 91 | (56.5) | ||
| Yes | 12 | (63.2) | 7 | (36.8) | 37 | (62.7) | 22 | (37.3) | ||
| Most recent sexual partner HIV-positive | 0.063 | 0.058 | ||||||||
| No | 27 | (57.5) | 20 | (42.6) | 14 | (35.0) | 26 | (65.0) | ||
| Yes | 95 | (58.6) | 67 | (41.4) | 82 | (50.0) | 82 | (50.0) | ||
| Do not know | 34 | (77.3) | 10 | (22.7) | 11 | (68.8) | 5 | (31.3) | ||
| Sexual frequency in last month | 0.013 | 0.078 | ||||||||
| ≤weekly | 64 | (53.8) | 55 | (46.2) | 46 | (42.6) | 62 | (57.4) | ||
| >1x/week | 93 | (68.9) | 42 | (31.1) | 61 | (54.5) | 51 | (45.5) | ||
| Desire more children in the future | 0.001 | 0.002 | ||||||||
| No | 87 | (54.4) | 73 | (45.6) | 68 | (42.2) | 93 | (57.8) | ||
| Yes | 70 | (74.5) | 24 | (25.5) | 38 | (66.7) | 19 | (33.3) | ||
| Contraceptive use at last intercourse (IUD, implant, DMPA, pills, Sterilisations, not including condom) | 0.761 | 0.925 | ||||||||
| No | 87 | (62.6) | 52 | (37.4) | 66 | (48.9) | 69 | (51.1) | ||
| Yes | 68 | (60.7) | 44 | (39.3) | 41 | (48.2) | 44 | (51.8) | ||
| Currently using ART | 0.083 | 0.374 | ||||||||
| No | 20 | (71.4) | 8 | (28.6) | 16 | (61.5) | 10 | (38.5) | ||
| Yes, <2 years | 59 | (68.6) | 27 | (31.4) | 37 | (46.8) | 42 | (53.2) | ||
| Yes, >2 years | 78 | (55.7) | 62 | (44.3) | 54 | (47.0) | 61 | (53.0) | ||
| Believe HIV medications effect transmission risk to partner | 0.742 | 0.602 | ||||||||
| Increases risk or no change | 104 | (63.0) | 61 | (37.0) | 71 | (47.7) | 78 | (52.4) | ||
| Decreases risk | 53 | (60.9) | 34 | (39.1) | 36 | (51.4) | 34 | (48.6) | ||
| Believe condoms are effective at preventing pregnancy | 0.475 | 0.898 | ||||||||
| No | 19 | (67.9) | 9 | (32.1) | 10 | (50.0) | 10 | (50.0) | ||
| Yes | 137 | (60.9) | 88 | (39.1) | 97 | (48.5) | 103 | (51.5) | ||
| Believe condoms are effective at preventing HIV transmission to partner | 0.139 | 0.314 | ||||||||
| No | 29 | (70.7) | 12 | (29.3) | 20 | (40.0) | 30 | (60.0) | ||
| Yes | 119 | (58.3) | 85 | (41.7) | 77 | (48.1) | 83 | (51.9) | ||
| Believe one needs to use a condom if also using birth control method | 0.067 | <0.001 | ||||||||
| No | 49 | (71.0) | 20 | (29.0) | 33 | (75.0) | 11 | (25.0) | ||
| Yes | 107 | (58.5) | 76 | (41.5) | 74 | (42.1) | 102 | (58.0) | ||
| Can refuse sex if partner did not want to use a condom | <0.001 | <0.001 | ||||||||
| No | 111 | (87.4) | 16 | (12.6) | 52 | (81.3) | 12 | (18.8) | ||
| Yes | 42 | (34.2) | 81 | (65.9) | 55 | (35.7) | 99 | (64.3) | ||
| Decision-making about using condom use | <0.001 | 0.025 | ||||||||
| I do (did) | 93 | (71.5) | 37 | (28.5) | 45 | (48.4) | 48 | (51.6) | ||
| My partner does (did) | 22 | (62.9) | 13 | (37.1) | 20 | (64.5) | 11 | (35.5) | ||
| We both do (did) equally | 28 | (37.3) | 47 | (62.7) | 30 | (36.6) | 52 | (63.4) | ||
*P value by t-test for continuous variables and Pearson chi-square or Fisher exact test for categorical variables.
ART, antiretroviral therapy; DMPA, depot medroxprogesterone acetate; IUD, intrauterine device.
Table 3.
Demographic, behavioural characteristics and beliefs of female and male participants by reporting condom use at last coitus
| Characteristics | Condom use at last coitus | |||||||||
| Female (n=253) | Male (n=218) | |||||||||
| No (n=113) | (44.7%) | Yes (n=140) | (55.3%) | P value | No (n=67) | (30.7%) | Yes (n=151) | (69.3%) | P-value* | |
| n | (%) | n | (%) | n | (%) | n | (%) | |||
| Age (years, mean±SD) | 32.1±6.0 | 32.1±6.7 | 0.924 | 37.7±5.1 | 37.2±5.2 | 0.568 | ||||
| Marital status | 0.790 | |||||||||
| Married or committed relationship | 110 | (44.5) | 137 | (55.5) | ||||||
| Single or dating | 3 | (50.0) | 3 | (50.0) | ||||||
| Education | 0.066 | 0.562 | ||||||||
| Completed primary or less | 102 | (47.0) | 115 | (53.0) | 53 | (31.7) | 114 | (68.3) | ||
| Some secondary or more | 11 | (30.6) | 25 | (69.4) | 14 | (27.5) | 37 | (72.6) | ||
| Religion | 0.034 | 0.595 | ||||||||
| Catholic | 29 | (58.0) | 21 | (42.0) | 16 | (34.0) | 31 | (66.0) | ||
| Other | 84 | (41.4) | 119 | (58.6) | 51 | (30.0) | 119 | (70.0) | ||
| Years since diagnosis (mean±SD) | 4.5±3.6 | 4.8±3.4 | 0.515 | 4.1±3.4 | 4.9±4.4 | 0.197 | ||||
| Use of alcohol or drugs before/during sex in last month | 0.447 | 0.053 | ||||||||
| No | 99 | (43.6) | 128 | (56.4) | 43 | (27.0) | 116 | (73.0) | ||
| Yes | 10 | (52.6) | 9 | (47.4) | 24 | (40.7) | 35 | (59.3) | ||
| Most recent sexual partner HIV positive | 0.027 | 0.053 | ||||||||
| No | 21 | (45.7) | 25 | (54.3) | 7 | (18.0) | 32 | (82.1) | ||
| Yes | 65 | (39.9) | 98 | (60.1) | 52 | (31.9) | 111 | (68.1) | ||
| Do not know | 27 | (62.8) | 16 | (37.2) | 8 | (50.0) | 8 | (50.0) | ||
| Sexual frequency in last month | 0.029 | 0.004 | ||||||||
| ≤weekly | 45 | (37.5) | 75 | (62.5) | 23 | (21.5) | 84 | (78.5) | ||
| >1x/week | 68 | (51.1) | 65 | (48.9) | 44 | (39.6) | 67 | (60.4) | ||
| Desire more children in the future | 0.004 | 0.015 | ||||||||
| No | 60 | (37.7) | 99 | (62.3) | 42 | (26.4) | 117 | (73.6) | ||
| Yes | 53 | (56.4) | 41 | (43.6) | 25 | (43.9) | 32 | (56.1) | ||
| Contraceptive use at last intercourse (IUD, implant, DMPA, pills, sterilisation, not including condom) | 0.400 | 0.721 | ||||||||
| No | 65 | (46.8) | 74 | (53.2) | 40 | (29.9) | 94 | (70.2) | ||
| Yes | 46 | (41.4) | 65 | (58.6) | 27 | (32.1) | 57 | (67.9) | ||
| Currently using ART | 0.169 | 0.886 | ||||||||
| No | 17 | (58.6) | 12 | (41.4) | 9 | (34.6) | 17 | (65.4) | ||
| Yes, <2 years | 40 | (47.1) | 45 | (52.9) | 23 | (29.5) | 55 | (70.5) | ||
| Yes, >2 years | 56 | (40.3) | 83 | (59.7) | 35 | (30.7) | 79 | (69.3) | ||
| Believe HIV medications effect transmission risk to partner | 0.307 | 0.168 | ||||||||
| Increases risk or no change | 70 | (42.7) | 94 | (57.3) | 41 | (27.9) | 106 | (72.1) | ||
| Decreases risk | 43 | (49.4) | 44 | (50.6) | 26 | (37.1) | 44 | (62.9) | ||
| Believe condoms are effective at preventing pregnancy | 0.303 | 0.147 | ||||||||
| No | 15 | (53.6) | 13 | (46.4) | 9 | (45.0) | 11 | (55.0) | ||
| Yes | 97 | (43.3) | 127 | (56.7) | 58 | (29.3) | 140 | (70.7) | ||
| Believe condoms are effective at preventing HIV transmission to partner | 0.856 | 0.536 | ||||||||
| No | 18 | (43.9) | 23 | (56.1) | 12 | (24.0) | 38 | (76.0) | ||
| Yes | 86 | (42.4) | 117 | (57.6) | 45 | (28.5) | 113 | (71.5) | ||
| Believe one needs to use a condom if also using birth control method | 0.057 | 0.004 | ||||||||
| No | 37 | (54.4) | 31 | (45.6) | 21 | (48.8) | 22 | (51.2) | ||
| Yes | 75 | (41.0) | 108 | (59.0) | 46 | (26.3) | 129 | (73.7) | ||
| Can refuse sex if partner did not want to use a condom | <0.001 | <0.001 | ||||||||
| No | 87 | (69.0) | 39 | (31.0) | 38 | (59.4) | 26 | (40.6) | ||
| Yes | 23 | (18.6) | 101 | (81.5) | 28 | (18.4) | 124 | (81.6) | ||
| Decision-making about using condom use | 0.001 | 0.041 | ||||||||
| I do (did) | 67 | (51.2) | 64 | (48.9) | 23 | (24.7) | 70 | (75.3) | ||
| My partner does (did) | 14 | (41.2) | 20 | (58.8) | 14 | (45.2) | 17 | (54.8) | ||
| We both do (did) equally | 19 | (25.3) | 56 | (74.7) | 18 | (22.2) | 63 | (77.8) | ||
*P value by t-test for continuous variables and Pearson chi-square or Fisher exact test for categorical variables.
ART, antiretroviral therapy; DMPA, depot medroxprogesterone acetate; IUD, intrauterine device.
For the male participants, older age, longer time since HIV diagnosis, lower sexual frequency, no desire for future children, not using alcohol or drugs prior to or during sex, recognising a role for dual protection, the ability to refuse sex without a condom, and either making the decision or shared decision-making about condom use were associated with consistent condom use (table 2). Condom use at last coitus for men increased with lower sexual frequency, having a seronegative partner, no desire for future children, recognising a role for dual protection, the ability to refuse sex without a condom, and either making the decision or shared decision-making about condom use.
Among female and male participants there was no significant difference in condom use by perception of ART in reducing HIV transmission to partners (among all participants and among the subset of participants using ART, data not shown), perception of condoms for pregnancy prevention, or use of a modern contraceptive method at last coitus other than condoms. Notably, despite only 47% of the couples believing that their partner was monogamous, this perception did not alter condom use behaviour.
Multivariate models
Among both men and women, being able to refuse sex without a condom was the strongest predictor of condom use in our multivariate model, both for consistent condom use and condom use at last coitus (table 4). Among the female participants, other factors associated with increased consistent condom use included using ART for at least 2 years and joint decision-making about condom use. The desire to have children in the future was negatively associated with consistent condom use. These same factors, except for ART use, were associated with condom use at last coitus among women. For men, in addition to the ability to refuse sex without a condom, joint decision-making about condom use was associated with increased consistent condom use, and increased sexual frequency was associated with decreased consistent condom use. Only the ability to refuse sex without a condom was associated with increased condom use at last intercourse among men.
Table 4.
Multivariate poisson regression models evaluating factors associated with evaluating consistent condom use and condom use at last coitus for female and male participants
| Consistent condom use (past month) | Use at last coitus | |||
| Female | Male | Female | Male | |
| (APRs (95% CI)) | (APRs (95% CI)) | (APRs (95% CI)) | (APRs (95% CI)) | |
| Age | 1.01 (0.98 to 1.04) | |||
| Education | ||||
| Some secondary or less | 1 | |||
| Completed secondary or more | 1.20 (0.94 to 1.51) | |||
| Catholic | ||||
| Yes | 1 | 1 | ||
| No | 1.50 (0.89 to 2.52) | 1.18 (0.86 to 1.61) | ||
| Years since diagnosis | 1.01 (0.99 to 1.04) | |||
| Use of alcohol or drugs before/during sex in last month | ||||
| No | 1 | 1 | ||
| Yes | 0.82 (0.60 to 1.11) | 0.99 (0.81 to 1.20) | ||
| Sexual frequency in last month | ||||
| ≤weekly | 1 | 1 | 1 | 1 |
| >1 x/week | 0.79 (0.62 to 1.00) | 0.96 (0.76 to 1.22) | 0.87 (0.72 to 1.05) | 0.90 (0.76 to 1.05) |
| Currently using ART | ||||
| No | 1 | |||
| <2 years | 1.31 (0.85 to 2.02) | |||
| ≥2 years | 1.52 (1.03 to 2.23)* | |||
| Desire more children in the future | ||||
| No | 1 | 1 | 1 | 1 |
| Yes | 0.69 (0.51 to 0.93)* | 0.84 (0.57 to 1.24) | 0.74 (0.59 to 0.93)* | 0.95 (0.75 to 1.20) |
| Most recent sexual partner HIV-positive | ||||
| Yes | 0.89 (0.70 to 1.13) | 0.87 (0.67 to 1.13) | 1.27 (0.96 to 1.70) | 0.88 (0.75 to 1.03) |
| No | 1 | 1 | 1 | 1 |
| I do not know | 0.66 (0.42 to 1.03) | 0.59 (0.28 to 1.24) | 1.24 (0.52 to 1.51) | 0.66 (0.41 to 1.08) |
| Believe one needs to use a condom if using also birth control method | ||||
| No | 1 | 1 | 1 | 1 |
| Yes | 1.09 (0.80 to 1.48) | 1.88 (1.16 to 3.05)* | 1.08 (0.84 to 1.39) | 1.24 (0.96 to 1.60) |
| Can refuse sex if partner did not want to use a condom | ||||
| No | 1 | 1 | 1 | 1 |
| Yes | 4.33 (2.72 to 6.90)* | 2.77 (1.68 to 4.58)* | 2.27 (1.74 to 2.95)* | 1.70 (1.28 to 2.27)* |
| Decision-making about using condom use | ||||
| I do | 1 | 1 | 1 | 1 |
| My partner does | 1.34 (0.88 to 2.04) | 0.89 (0.56 to 1.41) | 1.28 (0.96 to 1.70) | 0.81 (0.59 to 1.11) |
| We both do | 1.50 (1.15 to 1.97)* | 0.98 (0.77 to 1.26) | 1.24 (1.02 to 1.51)* | 0.93 (0.80 to 1.10) |
The prevalence ratios presented are adjusting for all variables with results included in the table for the specific gender and outcome.
*P<0.05.
APRs, adjusted prevalence ratios; ART, antiretroviral therapy CI , CI interval.
Discussion
Although our data demonstrate that condom use continues to be inconsistent among this study population, overall data from the Demographic and Health Surveys (DHS) in sub-Saharan Africa suggests increased condom use over the last one to two decades.10 Most participants recognise that condoms reduce HIV transmission risk; however, safe sexual practices seem to be influenced more by other factors, such as relationship dynamics, fertility intention and self-efficacy than perception of infection or transmission risk.
Similar to prior studies, our data demonstrate that couples that jointly make decisions regarding condom use more consistently use condoms, whereas when individuals independently make these decisions, condoms are less often used.11 Negotiation of condom use can be challenging, particularly for women. Promotion efforts to develop a plan for safe sexual practices should be aimed at the couple. When both men and women are able to refuse sex without a condom,4 12 condom use improves, demonstrating that self-efficacy is a strong predictor of condom utilisation. Focused efforts to develop skills that allow individuals to negotiate for condom use and overcome the specific obstacles within relationships that reduce power to refuse sex without a condom could improve self-efficacy and condom use within these groups. Further, these findings suggest that poor communication within a relationship may inhibit condom use.4 13 14 The development of communication strategies for couples at greatest risk, designed to strengthen dialogue regarding sexual and reproductive health within the relationship and increase condom use, could help address the discrepancies between risk and behaviour.
We found that use of effective contraceptive methods did not alter condom use behaviours, further reinforcing the finding that effective pregnancy prevention method promotion will not detract from sexually transmitted infection/HIV prevention efforts. Rather, for men, believing in the need for ‘dual protection’ increased condom use. Similar to other studies, we did not find that ART use and knowledge that ART use decreases transmission risk alters condom use behaviour among our cohort of primarily ART users.15 Rather, similar to one prior study, we found the opposite trend: increased condom use among women on ART for a longer time.16 These results echo what others are reporting: the promotion of specific HIV prevention strategies, such as ART treatment as prevention, will not reduce other HIV prevention behaviours.17 It is unclear why there is a high proportion of individuals who perceive their risk of transmission to partners increases with the use of ART or does not change. This finding may be specific to this cohort or may reflect a broader misunderstanding of the association between low viral load and decreased transmission potential. Further, it is possible that providers choose to not discuss this association given concern that it may lead to altered risk behaviour. Future efforts need to explore patient perceptions further, and potentially increase awareness of the impact of viral suppression on HIV transmission.
The trend toward reduced condom use with greater sexual frequency noted in our study has been reported in other studies,4 suggesting that user fatigue may play a role in condom non-use. Another finding echoed by others is that alcohol use decreases condom use.18 Whereas other studies have noted demographic differences, such as age and education, to be predictive of condom use, demographic differences in our cohort were not predictive. Thus, efforts to improve condom use need to be applied broadly, irrespective of these factors.
A strength of this study is that we applied two measures used in prior research to evaluate for condom use, allowing us to evaluate different trends that may be related to consistent use over use at last intercourse. A limitation, however, is that both of these are self-reported measures and reporting bias may influence the accuracy of the responses. Social desirability bias may have led both men and women to over-report condom use or other variables such as decision-making for condom use. Another strength of this study is the parallel evaluation of men and women, allowing us to evaluate trends that may differ by gender. However, we did not evaluate couples, so we cannot compare responses or comment on the dynamics that may be related to sexual practices within a specific relationship. We are limited in our ability to comment on any causal relationship between factors evaluated (such as ART use or contraception use) and condom use; a longitudinal evaluation is recommended to further evaluate this dynamic relationship. As we are conducting this evaluation at two clinics in Lilongwe where study population characteristics, such as high rates of monogamy and ART use, may differ from other settings, the generalisability of our findings may be limited. Lastly, although this is one of the larger evaluations of men and women with HIV receiving care, we may still have limited power in our predictive models to detect some true associations, especially in cases where we have lower prevalence of those covariates (such as non-ART users or single individuals). Non-significant findings may be echoed in other studies and add to our evolving understanding on drivers of condom use.
In conclusion, our study highlights that among high-risk men and women living with HIV, condom use continues to be inconsistent. Previously proven interventions to reduce sexual risk behaviours19 must be personalised to each setting, with efforts to target specific barriers that exist for that community. Among the individuals in our clinical setting, HIV- and ART-related factors and contraceptive use were not central in determining condom use. Condom use was influenced more by relationship dynamics, fertility intention and self-efficacy than perception of infection or transmission risk. To effectively target future efforts at HIV and STI prevention, we must recognise the multiple influences that determine condom use, explore methods and employ tools to facilitate condom negotiation and joint decision-making.
Acknowledgments
The authors would like to thank the study participants, the study research assistants (Justin Milonde and Felix Mtunga), and the staff of the Lighthouse Trust Clinics for their assistance and support of the study.
Footnotes
Contributors: LH conceived the study and drafted the survey with JT and HT. JT oversaw its operational aspects with SP, HT, TC, BS and LM. LH conducted data analysis and drafted the initial manuscript. All authors read and approved the final manuscript.
Funding: This study was supported by a grant from the Society in Family Planning (PI: Lisa Haddad). Dr Haddad received support through a career development award from the National Institute of Health (1K23HD078153-01A1).
Competing interests: None declared.
Patient consent: Obtained.
Provenance and peer review: Not commissioned; externally peer reviewed.
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