Risky sexual behaviour increases the vulnerability of an adolescents to reproductive health problems like sexually transmitted infections (STIs), unintended pregnancy and abortion. This study therefore investigated the prevalence and personal predictors of risky sexual behaviour among in-school adolescents in the Ikenne Local Government Area, of Ogun State, Nigeria. The study employed a descriptive cross-sectional design. A multi-stage sampling technique was used to select 716 participants for the study. A validated semi-structured questionnaire with a Cronbach's alpha score of 0.78 was used to collect data. Frequency and logistic regression analysis were conducted to give statistical responses to the research question and hypotheses using SPSS version 23. The mean age of the participants was 15.2 ± 1.4 years and 57.3% of the respondents were female. Above a quarter (35.5%) of the respondents were in senior secondary one (SS1) in high school. More than half (53.1%) of the respondents had a good level of knowledge about risky sexual behaviour and 54% of the respondents had a fair perception of it. The respondents' attitudes towards risky sexual behaviour was moderately high (61.2%). The respondents had moderately high (63.7%) self-esteem. The prevalence of risky sexual behaviour was 19.2%. The personal predictors of risky sexual behaviour are age [odds ratio (OR) = 3.21; p < 0.05); gender [OR = 1.86; confidence interval (CI): 1.26-2.69; p < 0.05]; perception (OR = 2.58; CI: 1.55-4.30; p < 0.05); attitude (OR = 4.58; CI: 1.61-13.05; p < 0.05); self-esteem (OR = 7.39; p < 0.05). In conclusion, the respondents' risky sexual behaviours are predicted by age, gender, attitude, perception and self-esteem. The study therefore recommends that educational materials about the negative effects of the risky sexual behaviours should be included in the curriculum of secondary schools.
Keywords: in-school adolescents; personal; predictors; prevalence; risky sexual behaviour.
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