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The funding agreement ensured the authors\u2019 independence in designing the study, interpreting the data, and writing and publishing the report.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Funding"}},{"value":"Jason J. Ong, Ucheoma Nwaozuru, Chisom Obiezu-Umeh, Collins Airhihenbuwa, Hong Xian, Fern Terris-Prestholt, Titi Gbajabiamila, Adesola Z. Musa, David Oladele, Ifeoma Idigbe, Agatha David, Jane Okwuzu, Tajudeen Bamidele, Juliet Iwelunmor, Joseph D. Tucker, and Oliver Ezechi have no conflicts of interest that are directly relevant to the content of this article.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"Ethical approvals for the study were granted by the Saint Louis University and the Nigerian Institute of Medical Research Institutional Review Boards.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"Written informed consents were obtained from all the study participants. This is in accordance with the Nigerian guidelines for sexual and reproductive health research, such that young people who are aged 13 years and over can provide informed consent for sexual and reproductive health research.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"All authors have reviewed the final manuscript and approved this for publication.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"All relevant data are presented in the article. Further data may be accessed by writing to the corresponding author.","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Availability of data and material"}},{"value":"Not applicable.","order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code availability"}},{"value":"JJO, JI, JDT, and OE designed the research study. JJO, UN, COU, CA, HX, TG, AZM, DO, II, AD, JO, and TB performed the research. 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