Table 2 30-day prevalence of substance use
From: Multi-dimensional self-esteem and substance use among Chinese adolescents
Cigarette use | Alcohol use | Drug use | ||||||
|---|---|---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | |||
Substance use 30-day prevalence by gender | Male | 64 | (7.2)# | 204 | (22.8)# | 14 | (1.6)# | |
Female | 20 | (6.1)# | 53 | (16.1)# | 2 | (0.6)# | ||
Total | 84 | (6.9)# | 257 | (21.0)# | 16 | (1.3)# | ||
GSHS Questions | Age at first substance use† | ≦7 | 9 | (10.7) | 44 | (17.2) | 6 | (40.0) |
8-9 | 11 | (13.1) | 42 | (16.4) | 4 | (26.7) | ||
10-11 | 10 | (11.9) | 54 | (21.1) | 0 | (0.0) | ||
12-13 | 33 | (39.3) | 67 | (26.2) | 2 | (13.3) | ||
14-15 | 14 | (16.7) | 38 | (14.8) | 1 | (6.7) | ||
≧16 | 7 | (8.3) | 11 | (4.3) | 2 | (13.3) | ||
Total | 84 | (100) | 256 | (100) | 15 | (100) | ||
Substance use during last 30 days | 1-2 days | 29 | (34.5) | 127 | (49.4) | 6 | (37.5) | |
3-5 days | 9 | (10.7) | 45 | (17.5) | 7 | (43.8) | ||
6-9 days | 5 | (6.0) | 18 | (7.0) | 1 | (6.3) | ||
10-19 days | 14 | (16.7) | 17 | (6.6) | 0 | (0.0) | ||
20-29 days | 8 | (9.5) | 13 | (5.1) | 0 | (0.0) | ||
30 days | 19 | (22.6) | 37 | (14.4) | 2 | (12.5) | ||
Total | 84 | (100) | 257 | (100) | 16 | (100) | ||