Table 2.
Participants’ characteristics
| 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) |
Data are expressed as mean and standard deviation (M [SD]) or as a percentage depending on their quantitative or categorical nature