1. Joint United Nations Programme on HIV/AIDS (UNAIDS), Report on the Global AIDS Epidemic, Geneva: UNAIDS, 2007.
2. Pettifor AE et al., Early coital debut and associated HIV risk factors among young women and men in South Africa, International Perspectives on Sexual and Reproductive Health, 2009, 35(2):82–90.
3. Biddlecom A et al., Premarital sex and schooling transitions in four Sub-Saharan African countries, Poverty, Gender, and Youth Working Paper, New York: Population Council, 2007, No. 5.
4. Pettifor AE et al., Early age of first sex: a risk factor for HIV infection among women in Zimbabwe, AIDS, 2004, 18(10):1435–1442.
5. Laga M et al., To stem HIV in Africa, prevent transmission to young women, AIDS, 2001, 15(7):931–934.
6. Manzini N, Sexual initiation and childbearing among adolescent girls in KwaZulu Natal, South Africa, Reproductive Health Matters, 2001, 9(17):44–52.
7. Polis CB et al., Coerced sexual debut and lifetime abortion attempts among women in Rakai, Uganda, International Journal of Gynaecology & Obstetrics, 2009, 104(2):105–109.
8. Koenig MA et al., Coercive sex in rural Uganda: prevalence and associated risk factors, Social Science & Medicine, 2004, 58(4):787–798.
9. Glover EK et al., Sexual health experiences of adolescents in three Ghanaian towns, International Family Planning Perspectives, 2003, 29(1):32–40.
10. Maharaj P and Munthree C, Coerced first sexual intercourse and selected reproductive health outcomes among young women in KwaZulu-Natal, South Africa, Journal of Biosocial Science, 2007, 39(2):231–244.
11. Heise L, Moore K and Toubia N, Sexual Coercion and Reproductive Health: A Focus on Research, New York: Population Council, 1995.
12. Wagman J et al., Experiences of sexual coercion among adolescent women: qualitative findings from Rakai district, Uganda, Journal of Interpersonal Violence, 2009, 24(12):2073–2095.
13. Erulkar AS, The experience of sexual coercion among young people in Kenya, International Family Planning Perspectives, 2004, 30(4):182–189.
14. Koenig MA et al., Coerced first intercourse and reproductive health among adolescent women in Rakai, Uganda, International Family Planning Perspectives, 2004, 30(4):156–163.
15. Breiding MJ et al., Risk factors associated with sexual violence towards girls in Swaziland, Bulletin of the World Health Organization, 2011, 89(3):203–210.
16. Maman S et al., The intersections of HIV and violence: directions for future research and interventions, Social Science & Medicine, 2000, 50(4):459–478.
17. Steinberg L and Morris AS, Adolescent development, Annual Review of Psychology, 2001, 52:83–110.
18. Kirby D, Emerging Answers: Research Findings on Programs to Reduce Teen Pregnancy (Summary), Washington, DC: National Campaign to Reduce Teen Pregnancy, 2001.
19. Fatusi AO and Blum RW, Predictors of early sexual initiation among a nationally representative sample of Nigerian adolescents, BMC Public Health, 2008, 8(136):1–14.
20. Rwenge M, Sexual risk behaviors among young people in Bamenda, Cameroon, International Family Planning Perspectives, 2000, 26(3):118–123 & 130.
21. Gueye M, Castle S and Konate MK, Timing of first intercourse among Malian adolescents: implications for contraceptive use, International Family Planning Perspectives, 2001, 27(2):56–62 & 70.
22. Bronfenbrenner U, Ecology of the family as a context for human development: research perspectives, Developmental Psychology, 1986, 22(6):723–742.
23. Moore AM et al., Coerced first sex among adolescent girls in Sub-Saharan Africa: prevalence and context, African Journal of Reproductive Health, 2007, 11(3):62–82.
24. Kapiga SH et al., The incidence of HIV infection among women using family planning methods in Dar es Salaam, Tanzania, AIDS, 1998, 12(1):75–84.
25. Kelly RJ et al., Age differences in sexual partners and risk of HIV-1 infection in rural Uganda, Journal of Acquired Immune Deficiency Syndromes, 2003, 32(4):446–451.
26. Paz-Bailey G et al., Risk factors for sexually transmitted diseases in northern Thai adolescents: an audio-computer-assisted self- interview with noninvasive specimen collection, Sexually Transmitted Diseases, 2003, 30(4):320–326.
27. Agha S, Hutchinson P and Kusanthan T, The effects of religious affiliation on sexual initiation and condom use in Zambia, Journal of Adolescent Health, 2006, 38(5):550–555.
28. Lugoe WL, Klepp KI and Skutle ACA, Sexual debut and predictors of condom use among secondary school students in Arusha, Tanzania, AIDS Care, 1996, 8(4):443–452.
29. Barker GK and Rich S, Influences on adolescent sexuality in Nigeria and Kenya: findings from recent focus-group discussions, Studies in Family Planning, 1992, 23(3):199–210.
30. Isarabhakdi P, Factors associated with sexual behavior and attitudes of never-married rural Thai youth, Journal of Population and Social Studies, 1999, 8(1):21–44.
31. Karim AM et al., Reproductive health risk and protective factors among unmarried youth in Ghana, International Family Planning Perspectives, 2003, 29(1):14–24.
32. Magnani RJ et al., Correlates of sexual activity and condom use among secondary-school students in urban Peru, Studies in Family Planning, 2001, 32(1):53–66.
33. Magnani RJ et al., Reproductive health risk and protective factors among youth in Lusaka, Zambia, Journal of Adolescent Health, 2002, 30(1):76–86.
34. Merchan-Hamann E et al., Prevalence and correlates of HIV-related risk behaviors among adolescents at public schools in Brasilia, AIDS and Behavior, 2002, 6(3):283–293.
35. Ngom P, Magadi MA and Owuor T, Parental presence and adolescent reproductive health among the Nairobi urban poor, Journal of Adolescent Health, 2003, 33(5):369–377.
36. Feldman SS and Brown N, Family influences on adolescent male sexuality: the mediational role of self-restraint, Social Development, 1993, 2(1):15–35.
37. Sweeting H, West P and Richards M, Teenage family life, lifestyles and life chances: associations with family structure, conflict with parents and joint family activity, International Journal of Law, Policy and the Family, 1998, 12(1):15–46.
38. Miller BC, Families Matter: A Research Synthesis of Family Influences on Adolescent Pregnancy, Washington, DC: National Campaign to Prevent Teen Pregnancy, 1998.
39. World Health Organization (WHO), Helping Parents in Developing Countries Improve Adolescent Health, Geneva: WHO, 2007.
40. Kowaleski-Jones L and Mott FL, Sex, contraception and childbearing among high-risk youth: do different factors influence males and females? Family Planning Perspectives, 1998, 30(4):163–169.
41. Reisen CA and Poppen PJ, Partner-specific risk perception: a new conceptualization of perceived vulnerability to STDs, Journal of Applied Social Psychology, 1999, 29(4):667–684.
42. Rosengard C et al., Protective role of health values in adolescents’ future intentions to use condoms, Journal of Adolescent Health, 2001, 29(3):200–207.
43. Meekers D and Calvès AE, “Main” girlfriends, girlfriends, marriage, and money: the social context of HIV risk behaviour in sub-Saharan Africa, Health Transition Review, 1997, 7(Suppl.):361–375.
44. Heise L, Ellsberg M and Gotemoeller M, Ending violence against women, Population Reports, 1999, Series L, No. 11.
45. Eaton L, Flisher AJ and Aarø LE, Unsafe sexual behaviour in South African youth, Social Science & Medicine, 2003, 56(1):149–165.
46. Ajzen I, From intentions to actions: a theory of planned behavior, in: Kuhl J and Beckmann J, eds., Action Control: From Cognition to Behavior, Heidelberg, Germany: Springer-Verlag, 1985.
47. Wilkinson RB and Walford WA, Attachment and personality in the psychological health of adolescents, Personality and Individual Differences, 2001, 31(4):473–484.
48. Department of Child and Adolescent Health and Development, WHO, Broadening the Horizon: Balancing Protection and Risk for Adolescents, Geneva: WHO, 2001.
49. Blum RW et al., Adolescent health in the Caribbean: risk and protective factors, American Journal of Public Health, 2003, 93(3):456–460.
50. Clark S, Early marriage and HIV risks in sub-Saharan Africa, Studies in Family Planning, 2004, 35(3):149–160.
51. Maharaj P and Cleland J, Condom use within marital and cohabitating partnerships in KwaZulu-Natal, South Africa, Studies in Family Planning, 2004, 35(2):116–124.