Friendships Among Young South African Women, Sexual Behaviours and Connections to Sexual Partners (HPTN 068)
Date
2019-01-25
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Abstract
Friends could be influential on young women’s sexual health via influences on sexual behaviours
and as connections to sexual partners, but are understudied in sub-Saharan Africa. We crosssectionally surveyed 2326 13–20 year-old young women eligible for grades 8–11 in rural South
Africa about their sexual behaviour and up to three sexual partners. Participants each described
five specific but unidentified friends and the relationships between them in an ‘egocentric’ network
analysis design. We used logistic regression to investigate associations between friendship
characteristics and participants’ reports of ever having had sex (n=2326) and recent condom use
(n=457). We used linear regression with random effects by participant to investigate friendship
characteristics and age differences with sexual partners (n=633 participants, 1051 partners). We
found that it was common for friends to introduce young women to those who later became sexual
partners, and having older friends was associated with having older sexual partners, (increase of
0.37 years per friend at least one year older, 95% CI 0.21–0.52, adjusted). Young women were
more likely to report ever having had sex when more friends were perceived to be sexually active
(adjusted OR 1.85, 95% CI 1.72–2.01 per friend) and when they discussed sex, condoms and HIV
with friends. Perception of friends’ condom use was not associated with participants’ reported
condom use. While this study is preliminary and unique in this population and further research
should be conducted, social connections between friends and sexual partners and perceptions of
friend sexual behaviours could be considered in the design of sexual health interventions for young
women in South Africa