eng Science and Education Publishing American Journal of Public Health Research 2327-6703 2015-07-02 3 4 148 156 10.12691/ajphr-3-4-4 AJPHR2015344 article Chinomnso C Nnebue nnebnons@yahoo.com 1 Uzoh C Chimah 2 Taiwo O Lawoyin 3 Amobi L Ilika 4 Chukwuma B Duru 5 Department of HIV Care and Department of Community Medicine, Nnamdi Azikiwe University Teaching Hospital (NAUTH) Nnewi, Nigeria Medical Department, Ministry of Defence Headquarters Abuja, Nigeria Department of Preventive and Social Medicine, University College Hospital, Ibadan, Nigeria; Department of Community Medicine, Nnamdi Azikiwe University/University Teaching Hospital NAU/NAUTH, Nnewi, Nigeria Department of Community Medicine, Imo State University/University Teaching Hospital Orlu, Nigeria Context: Social, economic and political factors are rapidly changing the ways that young people must prepare for adult life. These changes have enormous implications also for their sexual health and behaviors. Objective: To determine the socio-demographic factors associated with sexual risk behaviors among senior secondary schools students in Ojo military barracks, Lagos. Materials and methods: This was a cross-sectional study of 400 senior secondary schools students in Ojo military barracks, Lagos, selected using multistage sampling technique. Data was collected using pretested, self- administered semi- structured questionnaires and analysed using statistical package for social sciences version 17. Chi-square test was used to identify statistically significant associations between sexual behavior and socio-demographic variables. Logistic regression was used to estimate the probability of ever had sex, adjusted for thirteen design effects. A p value of < 0.05 was considered significant. Results: Respondents from the boys single- sex school 44(55.7%) were most likely to engage in sexual intercourse (p= 0.000). Those from polygamous settings 101(42.8%) were more likely to engage in sexual intercourse (p= 0.034). Low socio- economic background for both parents and doing income earning jobs were associated with sexual intercourse (p= 0.008; p= 0.021; p= 0.000). Living with single parent is a very strong predictor of ever had sex (p=0.000). Conclusions: Sexual risk behavior was found to be associated with increasing age, living with one parent, polygamy, low educational cum socio-economic statuses. We recommend formal comprehensive sex education programs for the students and improved conditions of service for the military personnel. http://pubs.sciepub.com/ajphr/3/4/4/ajphr-3-4-4.pdf students determinants sexual risk behavior military barracks Lagos