Prevalence of sexual intercourse among school-going adolescents in Coast Province, Kenya.

A study was carried out to estimate the prevalence and associated factors of sexual intercourse among school adolescents in Coast Province, Kenya. Data were obtained through the Kenya Global School-Based Health Survey. Overall the prevalence of sexual intercourse within the last 12 months was 14.9% (22.2% in males and 5.0% in females). Among males, the protective factors against having sex were being of age < 15 years (OR = 0.60, 95% CI 0.58, 0.62) and ever been drunk (OR = 0.63, 95% CI 0.59, 0.67). The risk factors for having sex among males were ever smoked (OR = 2.05, 95% CI 1.92, 2.19), having close friends (OR = 1.68, 95% CI 1.56, 1.81), currently drinking alcohol (OR = 1.13, 95% CI 1.06, 1.20), ever used drugs (OR = 2.36, 95% CI 2.24, 2.49) and parental supervision (OR = 1.30, 95% CI 1.25, 1.34). Meanwhile among female respondents, parental supervision was protective (OR = 0.88, 95% CI 0.81, 0.94) and the only risk factor was ever used drugs (OR = 2.85, 95% CI 2.57, 3.15). It is suggested that public health interventions aimed to promote adolescent sexual health should be designed with the appreciation of the factors associated with sexual activity in due consideration.