Amsterdam 2015
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| Abstract #2167 - Poster 2 | ||||
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Session: 59.16: Poster 2 (Poster) on Tuesday in Chaired by Authors: Presenting Author: Dr Veronique Boyer - INSERM-IRD-Université, France |
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| Additional Authors: | ||||
| Aim: HAART has improved the well-being of many people living with HIV (PLWH) who regain health, return to their reproductive lives and resume sexual activity after treatment initiation. This study aimed at (i) comparing heterosexual practices between PLWH and the general population, and (ii) identifying the determinants of sexual practices and risk behaviors in the two populations. | ||||
| Method / Issue: Self-reported data were collected among PLWH attending French hospitals (ANRS VESPA2 survey) and the general population (CSF survey, control population). Sampling bias was corrected by implementing propensity score matching on both socio-demographic characteristics and sexual behavior in terms of number of partners. MSM without heterosexual intercourse have been excluded. Independent factors associated with sexual practices and condom use outcomes from both representative populations were estimated simultaneously in a multi-equation probit model. | ||||
| Results / Comments: Initial samples showed that the proportion of sexually active people (with at least one partner in the last 12 months) was lower among PLWH than in the general population (56.5% women living with HIV out of 935 vs 85.1% out of 5763 women in the general population 29.6% men living with HIV out of 2078 vs 91.5% out of 4517 men in the general population). After matching, about 61% of women (out of 707) and 68% of men (out of 709) were sexually active in the last 12 months in both populations. Among them, PLWH practiced less oral sex than the general population (51.0% vs 62.9% for control women, p<0.01 56.6% vs 68.1% for control men, p<0.001) and consistently used more condoms (45.0% vs 17.2% for control women 85.6% vs 29.8% for control men, p<0.001) over a 12-month period. Oral sex was associated with higher educational level in control women, with multiple partnerships in women living with HIV and with drug uptake for women living with HIV and for men from both surveys. Women living with HIV aged over 50 were less likely to practice oral sex. Vaginal penetration was associated with multiple partnerships in men from both surveys. Fifty year old men living with HIV were less likely to practice vaginal penetration. Heterosexual anal intercourse was less likely to be practiced by women living with HIV, those being in a couple for at least 6 years and by migrant women. Anal intercourse was more likely practiced by control men living in Ile-de-France region, those being employed, having multiple partners from both surveys and by men living with HIV reporting bisexual relationships. Error term correlations showed that the practice of heterosexual anal intercourse was not linked to condom use for both women and men. PLWH were more likely to report condom use, whether or not they had multiple sexual partners. | ||||
| Discussion: Results show differences between PLWH and the general population concerning heterosexual practices of sexually active individuals, ped off for PLWH. This was accompanied by more use of condoms, regardless of number of sexual partners, and even when cultural background was strong, as for women coming from Sub-Saharan Africa. Still, further preventive information needs to be engaged on heterosexual anal intercourse risk. | ||||
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