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Table 2 Participants’ characteristics

From: Psychometric properties of the 7-item game addiction scale among french and German speaking adults

  French-speaking community (N = 3,318) German-speaking community (N = 2,665)
Age 20.3 (1.3) 19.7 (1.1)
Age first drunk 15.6 (1.8) 15.4 (1.7)
Frequency six standard drinks or more (binge) on one occasion in the past 12 months   
 - Never 23.8 17.8
 - Less than monthly 31.4 34.7
 - Once a month or more 44.8 47.5
Frequency of drinking during the week (Monday to Thursday) in days per week in the past 12 months 27.3 (42.4) 26.2 (41.7)
Age cannabis use onset 15.9 (2.0) 15.6 (1.9)
Age you got “high” on cannabis for the first time 15.9 (2.0) 15.7 (1.8)
Cannabis use last 12 months   
 - Yes 32.0 28.9
 - No 68.0 71.1
Cannabis frequency of use last 12 months   
 - Once a month or less 16.7 16.3
 - Once to 3 times per week 7.7 7.3
 - 4 to 5 times per week or more often 7.6 5.3
 - Never 68.0 71.1
Gaming use classification   
 - Monothetic 2.3 2.3
 - Polythetic 10.6 8.1
-  Non-problematic game users 87.1 89.6
Major Depression Inventory   
 - No depression 93.3 94.5
 - Mild to moderate depression 4.1 3.5
 - Severe depression 2.6 1.8
Brief Sensation Seeking (BSSS total scale)   
 - Adventure subscale 2.9 (0.9) 3.2 (0.9)
 - Boredom subscale 2.8 (1.2) 3.1 (1.2)
 - Disinhibition subscale 2.7 (1.0) 3.1 (1.0)
 - Experience seeking subscale 2.9 (1.1) 3.0 (1.1)
Personality ZKPQ-50-cc 3.2 (1.2) 3.6 (1.1)
 - Aggression/hostility subscale 4.3 (2.3) 4.0 (2.1)
 - Anxiety subscale 2.1 (2.1) 1.9 (1.9)
 - Sociability subscale 5.9 (2.3) 5.9 (2.1)
  1. Data are expressed as mean and standard deviation (M [SD]) or as a percentage depending on their quantitative or categorical nature