Our goal was to estimate genetic and environmental sources of influence on adolescent problematic internet use, and whether these individual differences can be explained by effortful control, an important aspect of self-regulation. A sample of 825 pairs of Chinese adolescent twins and their parents provided reports of problematic internet use and effortful control. Univariate analysis revealed ...

We examined the prevalence, correlates, and psychiatric comorbidities of community-dwelling subjects with problematic Internet use (PIU). In an epidemiological survey of mental disorders among Korean adults conducted in 2006, 6510 subjects (aged 18-64 years) completed the Korean version of the Composite International Diagnostic Interview for DSM-IV psychiatric disorders; Diagnostic Interview Sc...

BACKGROUND Although problematic Internet use (PIU) is a growing problem among adolescents, few studies have examined its prevalence among university students in Iran. This study was designed to investigate the prevalence of PIU and its potential risk factors among students at Kerman University of Medical Sciences, Kerman, Iran. METHODS In a cross-sectional study, data was collected from 976 u...

The primary aim of this study was to examine associations between problematic Internet use, depression and sleep disturbance, and explore whether there were differential effects of problematic Internet use and depression on sleep disturbance. A total of 1772 adolescents who participated in the Shantou Adolescent Mental Health Survey were recruited in 2012 in Shantou, China. The Chinese version ...

Introduction Generalized problematic internet use/GPIU has recently been associated with the impulsive-compulsive spectrum/ICS, but its mapping onto these behaviour dimensions is relatively unexplored. Objectives To compare patterns of use and scores BIG-5 personality traits, perfectionism psychological distress between groups low/high levels GPIU. Methods 475 university students (78.9% girls; ...

Objective Although Problematic Internet Use (PIU) is an emerging area of study in psychology, little known about the unique features specific subgroups internet users and their psychosocial vulnerabilities within robust nationwide populations. Methods The aim this was to identify distinct latent groups based on PIU risk compare outcomes. To achieve this, a nationally representative sample adole...