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Table 2 Significant determinants of Internet gaming disorder self-report for college/university students by the International Child Mental Health Study Group, ICMH-IGD Scales, in 1260 male students

From: Association of Internet gaming disorder symptoms with anxiety and depressive symptoms and substance use: an international cross-sectional study

  ICMH-IGD score PHQ-9 score GAD-7 score Alcohol use Marihuana use
β   β   β   β   β  
Model 1 R2   0.007**   0.008**   0.005*   0.034***   0.000
ΔR2   0.007**   0.008**   0.005*   0.034***   0.000
 Age   − 0.08**   − 0.09**   − 0.07*   0.19***   0.02  
Model 2 R2   0.096***   0.094***   0.092***   0.161***   0.039***
ΔR2   0.089***   0.086***   0.088***   0.127***   0.039***
 Age   − 0.04   − 0.08**   − 0.08**   0.13***   − 0.01  
 Previous psychiatric diagnosis   0.04   0.18***   0.22***   0.09***   0.06*  
 Hours of Internet browsing per day   0.19***   0.16***   0.17***   0.11***   0.04  
Model 3 R2   0.161***   0.546***   0.544***   0.255***   0.153***
ΔR2   0.065***   0.452***   0.452***   0.094***   0.114***
 Age   − 0.02   − 0.02   − 0.03   0.13***   − 0.03  
 Previous diagnosis   − 0.02   0.02   0.09***   0.07*   0.01  
 Hours of Internet browsing per day   0.14***   0.04   0.05*   0.09**   0.02  
 Alcohol use   0.04   − 0.01   0.01     0.30***  
 Marihuana use   0.05   0.01   0.03   0.26***    
 Other substances   0.05   0.06**   0.04   0.13***   0.13***  
 GAD-7 score   0.09**   0.69***     0.01   0.05  
 PHQ-9 score   0.17***     0.70***   0.02   0.03  
  1. GAD-7 Generalized Anxiety Disorder scale-7, PHQ-9 Patient Health Questionnaire-9, ICMH-IGD Internet Gaming Disorder Self-report for College/University Students by the International Child Mental Health Study Group
  2. *p value <.05; **p value <.01; ***p value <.001 adjusted for culture