Table 3.
Male(n = 332) |
Female(n = 399) |
||||
---|---|---|---|---|---|
Absolute proportionn (%) | Adjusted proportion% (95% CI) | Absolute proportionn (%) | Adjusted proportion% (95% CI) | ||
Has drunk any alcoholic beverages | 284 (85.5%) | 87.9% (84.0–91.1) | 310 (77.7%) | 81.3% (77.1–84.9) | P = 0.009c |
Age when drunk any alcoholic beverages for the first time [years], mean (95% CI) | 14.2 (13.9–14.6) | 15.2 (14.9–15.5) | P < 0.001a | ||
Drinks alcoholic beverages ≥1 times/weekd | 73 (22.0%) | 24.6 (20.3–29.6) | 24 (6.01%) | 7.5 (5.3–10.6) | P < 0.001c |
Has been drunk | 111 (33.4%) | 38.3 (33.0–43.6) | 84 (21.0%) | 24.0 (20.1–28.6) | P = 0.001c |
Has never drunk any alcoholic beverages, % (95% CI) | 43 (13.0%) | 80 (20.1%) | |||
No response, % (95% CI) |
5 (1.5%) |
|
9 (2.2%) |
|
|
Has smoked tobacco | 195 (58.7%) | 64.7 (59.3–69.8) | 192 (48.1%) | 51.7 (46.6–56.6) | P = 0.002c |
Age of first smoking experience [years], mean (95% CI) | 14.4 (14.0–14.8) | 15.2 (14.8–15.5) | P = 0.012a | ||
Smokes ≥1 times/weekd | 72 (21.7%) | 24.8 (20.3–29.8) | 36 (9.0%) | 9.7 (7.0–12.9) | P < 0.001c |
Has never smoked, % (95% CI) | 122 (36.7%) | 190 (47.6%) | |||
No response, % (95% CI) |
15 (4.5%) |
|
17 (4.3%) |
|
|
Has tried addictive drugs | 74 (22.3%) | 25.0 (20.5–29.8) | 39 (9.8%) | 9.8 (7.1–13.0) | P < 0.001c |
Age at first addictive drug use [years], mean (95% CI) | 16.4 (15.9–16.9) | 17.0 (16.6–17.5) | P = 0.089b | ||
Has never tried addictive drugs, % (95% CI) | 251 (75.6%) | 353 (88.5%) | |||
No response, % (95% CI) | 7 (2.1%) | 7 (1.8%) |
aMann–Whitney U test; bStudent’s t-test; clogistic regression; dThe cutoff of ≥1 per week was based on the World Health Organizations’s Alcohol Use Disorders Identification Test (AUDIT) categories or on clinical experience. CI, confidence interval.