Penelitian ini membahas tentang perilaku seksual pranikah pada anak jalanan usia remaja serta faktor yang berhubungan dengannya. Penelitian ini bersifat kuantitatif dengan menggunakan desain cross sectional, jumlah sampel sebanyak 110 orang, dilakukan di wilayah binaan Yayasan Himmata periode Desember 2013. Analisa hubungan dengan menggunakan uji chi square dan regresi logistik model prediksi. Hasil penelitian menunjukkan terdapat 33.6% anak jalanan yang berperilaku seksual pranikah berisiko. Hasil uji statistik bivariat menunjukkan ada hubungan bermakna pada variabel jenis kelamin, umur, pendidikan, tempat tinggal, status pekerjaan, pubertas, dan keterpaparan media pornografi. Hasil uji statistik multivariat menunjukkan bahwa pubertas dan pengetahuan kesehatan reproduksi merupakan variabel yang paling dominan berhubungan dengan perilaku seksual pranikah pada anak jalanan. Hasil analisis didapatkan OR yang paling besar adalah pubertas, OR = 8.6 yang artinya pubertas berpengaruh sebesar8.6 kali terhadap perilaku seksual pranikah pada anak jalanan. Dari hasilpenelitian ini diketahui adanya keterkaitan antara sepuluh variabel dengan perilaku seksual pranikah pada anak jalanan usia remaja. Kata Kunci:Remaja, perilaku seksual pranikah, anak jalanan, yayasan himmata

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This study investigated pre-marital sexual behavior and its associated factorsamong adolescent street children in Himmata Foundation with period ofDecember 2013. A quantitative research using cross-sectional design wasemployed in this study. The participants were 110 adolescent street children livingin Himmata Foundation. The chi square test and logistic regression predictionmodel was used for analyzing the data. Data analysis revealed that there were 33.6% of street children suffered from pre-marital sexual behavior. Factors associatedwith pre-marital sexual debut were assessed using bivariate and multivariatestatistical test. The results of bivariate statistical test showed significantcorrelation between gender, age, educational background, place of residence,employment status, puberty, and media exposure to pornography exposure amongchildren. The results of multivariate statistical tests described that the onset ofpuberty and reproductive health knowledge were the most dominant variableassociated with pre-marital sexual behavior among the children. The largest OR ofdata analysis was puberty 8.6 which means the puberty was affected by 8.6 timesagainst pre-marital sexual behavior among the respondents. From this research weknow the relation between the ten variables with premarital sexual behavior ofadolescence street children. Keywords : Adolescents, pre-marital sexual behavior, street children, himmata foundation