Early Sexual Debut and the Associated Factors among School Going Adolescents in Selected Schools in Kenya

Abstract

Background: Early sexual debut among adolescents’ results in sexual and reproductive health consequences including unplanned pregnancies, pregnancy complications and sexually transmitted diseases.
Objective: This study investigated the factors influencing early sexual debut among 13-19 years old students in secondary schools in Kiambu County, Kenya.
Methodology: A descriptive cross-sectional study was carried out in two secondary schools in Kiambu County. A sample of 208 was calculated using Fischer’s two stage formula and proportionately distributed per school population size. Students in each school were stratified into classes and respondents were selected by simple random sampling from each stratum. Responses were sought using self-administered questionnaires.
Results: Among the respondents 11(66.5%), 48(28.7%) and 8(4.8%) were aged 13-15, below 13 and above 15 years, respectively. Eighty-four (50.2%) respondents were male, 105(62.9%) lived with both parents while 41(24.6%) lived with mothers. Early sexual debut was (60.5%), being higher in males, 57 (67.9 %) compared to females, 44 (39.6 %). More than half of the respondents, 117(69.6%), thought sex before marriage was appropriate, among whom 75(64.1%), have had sex. Most of those who reported sexual debut, 69.9%, said that sexual encounter happened during school breaks. Reasons for refraining included fear of guardian (49.4%) and fear of HIV/AIDS 89(52.7%). However, more than two thirds, 71(70.3%) of those who feared HIV/AIDS and STI as a consequence of early sexual debut have had sex. Gender (P=.032), knowledge on sex (P=.025), use of mobile phones (P=.019), peer pressure (P=.046) and poverty (P =.037) were significantly associated with early sexual debut.
Conclusion: A significant proportion of secondary school adolescents were engaged in early sexual debut. Thus, public health interventions should consider the broader determinants of early sexual debut, including the ecological factors in which the behavior occurs.