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<p>Adolescent girls in Cameroon face substantial sexual and reproductive health vulnerabilities that heighten their risk of HIV exposure. Using data from 2,586 adolescent girls aged 15–19 years from the 2017–18 Cameroon Population-based HIV Impact Assessment, we examined factors associated with multiple sexual partnerships, age-disparate sex, inconsistent condom use, transactional sex, and a composite measure of high-risk sex. Overall, 4.31% reported multiple partners, 25.18% engaged in age-disparate sex, 27.06% reported inconsistent condom use, 3.91% engaged in transactional sex, and 19.61% exhibited high-risk sexual behaviours. In multivariable analyses, marriage or cohabitation was strongly associated with age-disparate sex (aOR = 8.57, 95% CI = 5.84–12.56; <i>p</i> &lt; 0.001) and inconsistent condom use (aOR = 10.07, 95% CI = 6.98–14.53; <i>p</i> &lt; 0.001). Adolescent motherhood was associated with high-risk sex (aOR = 1.71, 95% CI = 1.14–2.55; <i>p</i> = 0.011). School non-enrolment was associated with inconsistent condom use (aOR = 1.76, 95% CI = 1.31–2.37; <i>p</i> = 0.001). Predicted probabilities showed that unmarried, non-mothers who initiated sex later had the lowest probability of high-risk sex (8%), whereas married adolescent mothers with early sexual debut had the highest (72%). These findings underscore the need for combination HIV prevention programming that prioritises married adolescents, adolescent mothers, out-of-school girls, and those initiating sex early. Delaying sexual debut, preventing adolescent motherhood and child marriage, and strengthening age-appropriate, context-specific interventions may substantially reduce HIV exposure among adolescent girls in Cameroon.</p>

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Accelerating HIV Prevention in Cameroon: Factors Associated with Sexual Risk Behaviours and Increased HIV Exposure Among 15–19-Year-Old Adolescent Girls

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月19日

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  • Ololade Julius Baruwa,
  • Elona Toska,
  • Boladé Hamed Banougnin,
  • Rita Tamambang,
  • Dineo Sekgobela,
  • Pertina Nyamukondiwa,
  • Jane Ferguson,
  • Rachel Yates,
  • Brendan Maughan-Brown

摘要

Adolescent girls in Cameroon face substantial sexual and reproductive health vulnerabilities that heighten their risk of HIV exposure. Using data from 2,586 adolescent girls aged 15–19 years from the 2017–18 Cameroon Population-based HIV Impact Assessment, we examined factors associated with multiple sexual partnerships, age-disparate sex, inconsistent condom use, transactional sex, and a composite measure of high-risk sex. Overall, 4.31% reported multiple partners, 25.18% engaged in age-disparate sex, 27.06% reported inconsistent condom use, 3.91% engaged in transactional sex, and 19.61% exhibited high-risk sexual behaviours. In multivariable analyses, marriage or cohabitation was strongly associated with age-disparate sex (aOR = 8.57, 95% CI = 5.84–12.56; p < 0.001) and inconsistent condom use (aOR = 10.07, 95% CI = 6.98–14.53; p < 0.001). Adolescent motherhood was associated with high-risk sex (aOR = 1.71, 95% CI = 1.14–2.55; p = 0.011). School non-enrolment was associated with inconsistent condom use (aOR = 1.76, 95% CI = 1.31–2.37; p = 0.001). Predicted probabilities showed that unmarried, non-mothers who initiated sex later had the lowest probability of high-risk sex (8%), whereas married adolescent mothers with early sexual debut had the highest (72%). These findings underscore the need for combination HIV prevention programming that prioritises married adolescents, adolescent mothers, out-of-school girls, and those initiating sex early. Delaying sexual debut, preventing adolescent motherhood and child marriage, and strengthening age-appropriate, context-specific interventions may substantially reduce HIV exposure among adolescent girls in Cameroon.