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  • Title: Intimate partner violence and oral HIV pre-exposure prophylaxis adherence among young African women.
    Author: Giovenco D, Pettifor A, Powers KA, Hightow-Weidman L, Pence BW, Celum C, Delany-Moretlwe S, Hosek S, Donnell D, Anderson PL, Mgodi N, Bekker LG.
    Journal: AIDS; 2022 Jul 01; 36(8):1151-1159. PubMed ID: 35579012.
    Abstract:
    OBJECTIVE: To estimate the effect of intimate partner violence (IPV) on oral pre-exposure prophylaxis (PrEP) adherence among adolescent girls and young women (AGYW). DESIGN: We conducted a secondary analysis of data from HIV Prevention Trials Network 082 (HPTN 082), a multisite prospective study designed to assess oral PrEP adherence among AGYW in southern Africa. METHODS: We estimated the relative prevalence of high PrEP adherence 3 and 6 months after initiation among AGYW 16-25 years who reported a history of any IPV in the past year at enrollment versus AGYW who did not, both overall and by age. High adherence was defined as an intracellular tenofovir-diphosphate concentration at least 700 fmol/punch or more dried blood spots. RESULTS: Among 409 PrEP-initiating AGYW, half (49%) reported experiencing any IPV by a current/recent partner in the year prior to enrollment. Overall, a similar proportion of AGYW who reported IPV had high PrEP adherence at months 3 and 6 as AGYW who did not report IPV. There was, however, evidence of effect modification by age at month 3: among AGYW less than 21 years old, those who reported IPV were less than half as likely to have high adherence [adjusted PR (aPR) = 0.43, 95% confidence interval (CI) 0.22-0.86]; among AGYW aged 21 years or older, those who reported IPV were more than twice as likely to have high adherence (aPR = 2.21, 95% CI 1.34-3.66). At month 6, effect estimates within each age stratum were consistent in direction to those at month 3. CONCLUSION: IPV events may either impede or motivate PrEP adherence among African AGYW, with age appearing to be an important consideration for IPV-related adherence interventions.
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