biostudies-literatureUnknown7(1)James PB<h4>Background</h4>Sierra Leone and Liberia have experienced civil wars and, recently, Ebola outbreaks that led to profound economic hardship, psychopathologies and family disruptions. These factors are associated with sexual risk behaviours among youths. However, there is very little information on sexual risk behaviour among Sierra Leonean and Liberian school-going adolescents. The present study assessed the prevalence and determinants of sexual risk behaviours among school-going adolescents (10-19 years) in Sierra Leone and Liberia.  METHOD: We used publicly available nationally representative cross-sectional datasets of the 2017 Sierra Leone and Liberia Global school health survey. The sample consisted of 2798 and 2744 school-going adolescents from Sierra Leone and Liberia, respectivelContraception and reproductive medicine27https://www.ebi.ac.uk/biostudies/studies/S-EPMC9790129biostudies-literatureSexual risk behaviour among school-going adolescents in Sierra Leone and Liberia: a secondary analysis of the 2017 Global school-based student health surveys.PMC9790129Osborne AMargao EKBah AJConteh-Barrat MJames PBfalseSexual risk behaviour among school-going adolescents in Sierra Leone and Liberia: a secondary analysis of the 2017 Global school-based student health surveys.<h4>Background</h4>Sierra Leone and Liberia have experienced civil wars and, recently, Ebola outbreaks that led to profound economic hardship, psychopathologies and family disruptions. These factors are associated with sexual risk behaviours among youths. However, there is very little information on sexual risk behaviour among Sierra Leonean and Liberian school-going adolescents. The present study assessed the prevalence and determinants of sexual risk behaviours among school-going adolescents (10-19 years) in Sierra Leone and Liberia.  METHOD: We used publicly available nationally representative cross-sectional datasets of the 2017 Sierra Leone and Liberia Global school health survey. The sample consisted of 2798 and 2744 school-going adolescents from Sierra Leone and Liberia, respectivel2022-01-01T00:00:00Z2022 Dec2026-05-07T17:59:17.031Z2025-04-04T08:45:12.391ZS-EPMC97901293656622810.1186/s40834-022-00193-w