Table 1.
Sample characteristics and descriptive statistics for all variables considered
| Total analytical sample (n = 5,096) | |
|---|---|
| Independent variable for regression analyses | |
| SAS-SV (log-transformed sum score): mean (SD), range | 2.83 (0.40), 2.30–4.01 |
| Dependent variables for regression analyses | |
| WHO-MDI: mean (SD), range | 8.58 (7.29), 0–47.0 |
| CUSADOS: mean (SD), range | 7.47 (8.18), 0–48.0 |
| ASRS-v1.1: mean (SD), range | 6.88 (4.18), 0–24.0 |
| Agg-Host: mean (SD), range | 3.78 (2.15), 0–10.0 |
| BSSS: mean (SD), range | 3.00 (0.80), 1.0–5.0 |
| At-risk RSOD: n (%) | 1,958 (38.4) |
| At-risk volume drinking: n (%) | 351 (6.9) |
| Daily cigarette smoking: n (%) | 1,070 (21.0) |
| More than weekly cannabis use: n (%) | 411 (8.1) |
| Using at least one illicit drug other than cannabis: n (%) | 692 (13.6) |
| Age: mean (SD) | 25.5 (1.26) |
| French-speaking part of Switzerland: n (%) | 2,902 (56.9) |
| Highest achieved education | |
| Mandatory schooling: n (%) | 161 (3.2) |
| Vocation schooling: n (%) | 2,046 (40.1) |
| High school/professional baccalaureate: n (%) | 1,242 (24.4) |
| University/university of applied sciences (bachelor/master): n (%) | 1,647 (32.3) |
Note. SD: standard deviation; Agg-Host: aggression–hostility subscale from the Zuckerman–Kuhlman Personality Scale; ASRS-v1.1: Adult ADHD Self-Reported Scale Screener; BSSS: Brief Sensation Seeking Scale; CUSADOS: Clinically Useful Social Anxiety Disorder Outcome Scale; RSOD: risky single-occasion drinking; SAS-SV: Smartphone Addiction Scale – Short Version; WHO-MDI: Major Depression Inventory.