Determinan Perilaku Sedentari pada Usia Remaja (15-24 Tahun) di Kota Medan Tahun 2025

Abstract

According to the World Health Organization (WHO), physical inactivity is the fourth leading cause of death worldwide, with two million annually attribute to sedentary lifestyle driven by various factors. This study aims to analyze the relationship between predisposing factors (age, sex, knowledge, attitude, motivation, self-efficacy), enabling factors (facilities), and reinforcing factors (income and family support) with sedentary behavior among adolescents aged 15–24 years who were overweight (BMI ≥23. Data were analyzed using the chi-square test with a significance level of p<0.05. The results from 100 respondents show that 60% had hight sedentary behavior while 40% had low sedentary behavior. Predisposing factors significantly associated with sedentary behavior include age (p=0.047), sex (p=0.037), knowledge (p=0.002), attitudes (p=0.045), and self-efficacy (p=0.028), while self-motivation was not significantly association (p=0.062). The enabling factors of facilities, was significantly associated (p=0.014). among reinforcing factors family support was significantly associated (p=0.037). whereas income was not (p=0.117). Multivariate logistic regression analyzed revealed that family support was the dominants factor influencing sedentary behavior with Exp (B)=6.576. Adolescents with poor family support were six times more likely to exhibit in sedentary behavior compared to those with good family support. In conclusion, adolescents with poor knowledge, low motivation and self-efficacy and limited facilities and family support had a 92.51% probability of engaging in sedentary behavior. Interventions to enhance knowledge, motivation, family support and the provition, of adequate physical activity facilities are essential to reduce sedentary behavior among adolescents.