References
- UNAIDS. Global HIV & AIDS statistics. 2020. Fact sheet; [cited 2020 Dec 18]. Available from: www.unaids.org/en/resources/fact-sheet.
- Avert 2019. HIV and AIDS in Zambia; [cited 2020 Dec 18]. Available from: www.avert.org/infographics/hiv-and-aids-zambia.
- Ahmed S, Choi Y, Rimon JG, et al. Trends in contraceptive prevalence rates in sub-Saharan Africa since the 2012 London Summit on Family Planning: results from repeated cross-sectional surveys. Lancet Glob Health. 2019;7(7):e904–e911.
- Kosugi H, Shibanuma A, Kiriya J, et al. Consistent condom use among highly effective contraceptive users in an HIV-endemic area in rural Kenya. PLoS One. 2019;14(5):e0216208.
- Kharsany AB, Karim QA. HIV Infection and AIDS in sub-Saharan Africa: current status, challenges and opportunities. Open AIDS J. 2016;10:34–48.
- Bartz D, Maurer R, Kremen J, et al. High-risk sexual behaviors while on depot medroxyprogesterone acetate as compared to oral contraception. Contracept Reprod Med. 2017;2(1):8.
- Eaton LA, Kalichman S. Risk compensation in HIV prevention: implications for vaccines, microbicides, and other biomedical HIV prevention technologies. Curr HIV/AIDS Rep. 2007;4(4):165–172.
- Thongmixay S, Essink DR, Greeuw T, et al. Perceived barriers in accessing sexual and reproductive health services for youth in Lao People's Democratic Republic. PLoS One. 2019;14(10):e0218296.
- Heffron R, Donnell D, Rees H, et al. Use of hormonal contraceptives and risk of HIV-1 transmission: a prospective cohort study. Lancet Infect Dis. 2012;12(1):19–26.
- McKay A, Barrett M. Trends in teen pregnancy rates from 1996-2006: a comparison of Canada, Sweden, U.S.A., and England/Wales. Can J Hum Sex. 2010;19:43–52.
- Chibwesha CJ, Li MS, Matoba CK, et al. Modern contraceptive and dual method use among HIV-infected women in Lusaka, Zambia. Infect Dis Obstet Gynecol. 2011;2011:261453.
- Zambia Statistics Agency, Ministry of Health Zambia, ICF. Zambia Demographic and Health Survey 2018. Lusaka, Zambia; Rockville (MD): Zambia Statistics Agency, Ministry of Health, ICF, 2019.
- UNAIDS 2019. Zambia: HIV and AIDS estimates; [cited 2020 Aug 1]. Available from: www.unaids.org/en/regionscountries/countries/zambia.
- Sangi-Haghpeykar H, Posner SF, Poindexter AN. Poindexter AN 3rd. Consistency of condom use among low-income hormonal contraceptive users. Perspect Sex Reprod Health. 2005;37(4):184–191.
- Martinez G, Copen CE, Abma JC. Teenagers in the United States: sexual activity, contraceptive use, and childbearing, 2006–2010 national survey of family growth. Vital Health Stat 23. 2011;31:1–35.
- Morroni C, Heartwell S, Edwards S, et al. The impact of oral contraceptive initiation on young women’s condom use in 3 American cities: missed opportunities for intervention. PLoS One. 2014;9(7):e101804.
- Davidoff-Gore A, Luke N, Wawire S. Dimensions of poverty and inconsistent condom use among youth in urban Kenya. AIDS Care. 2011;23(10):1282–1290.
- Cordero Coma J. HIV prevention and marriage: peer group effects on condom use acceptability in rural Kenya. Soc Sci Med. 2014;116:169–177.
- Grabowski MK, Gray RH, Makumbi F, et al. Use of injectable hormonal contraception and women's risk of herpes simplex virus type 2 acquisition: a prospective study of couples in Rakai, Uganda. Lancet Glob Health. 2015;3(8):e478-86–e486.
- Ford CA, Jaccard J, Millstein SG, et al. Perceived risk of chlamydial and gonococcal infection among sexually experienced young adults in the United States. Perspect Sex Reprod Health. 2004;36(6):258–264.
- Secura GM, Adams T, Buckel CM, et al. Change in sexual behavior with provision of no-cost contraception. Obstet Gynecol. 2014;123:771–776.
- Ajayi AI, Ismail KO, Akpan W. Factors associated with consistent condom use: a cross-sectional survey of two Nigerian universities. BMC Public Health. 2019;19(1):1207.