We invesfigated the prevalence of problemafic internet use (PIU) in a sample of Colombian adolescents and its associafion with sociodemographic variables such as sex, age, level of educafion, and socioeconomic status. We applied the internet addicfion test (IAT), created by Young (1998), adapted to a Colombian university sample by Puerta-Cortés and Carbonell (2013), to a sample of 117 students aged between 12 and 18 years (63.2% females). Findings suggest that 84.6% exhibited usual internet use, 14.5% showed problemafic use
