| Total | Alcohol use group | ||||||
---|---|---|---|---|---|---|---|---|
Variable | (n = 1183) n % mean ± SD | Never-user (n = 1000) n % mean ± SD | First-time user (n = 183) n % mean ± SD |  |  | |||
Sex |  |  |  |  |  |  | χ2 = 2.45 |  |
   Male | 545 | 46.1 | 451 | 45.1 | 94 | 51.4 |  |  |
   Female | 638 | 53.9 | 549 | 54.9 | 89 | 48.6 |  |  |
Residential area |  |  |  |  |  |  | χ2 = 0.12 |  |
   Taipei | 639 | 54.0 | 538 | 53.8 | 101 | 55.2 |  |  |
   Hsinchu | 544 | 46.0 | 462 | 46.2 | 82 | 44.8 |  |  |
Parents' marital status/living arrangements |  |  |  |  |  |  | χ2 = 0.34 |  |
   Married and live together | 1109 | 93.7 | 938 | 93.8 | 171 | 93.4 |  |  |
   Other | 74 | 6.3 | 62 | 6.2 | 12 | 6.6 |  |  |
Household monthly income (NTD) | Â | Â | Â | Â | Â | Â | Â | Â |
   <40000 | 173 | 14.6 | 156 | 15.6 | 17 | 9.3 | χ2 = 5.23 |  |
   40000–100000 | 657 | 55.5 | 552 | 55.2 | 105 | 57.4 |  |  |
   >100000 | 353 | 29.8 | 292 | 29.2 | 61 | 33.3 |  |  |
Father's education level |  |  |  |  |  |  | χ2 = 5.80 |  |
   Middle school and below | 156 | 13.2 | 142 | 14.2 | 14 | 7.7 |  |  |
   High school | 674 | 57.0 | 563 | 56.3 | 111 | 60.7 |  |  |
   University or research institute | 353 | 29.8 | 295 | 29.5 | 58 | 31.7 |  |  |
Mother's education level |  |  |  |  |  |  | χ2 = 1.72 |  |
   Middle school and below | 165 | 13.9 | 138 | 13.8 | 27 | 14.8 |  |  |
   High school | 784 | 66.3 | 670 | 67.0 | 114 | 62.3 |  |  |
   University or research institute | 234 | 19.8 | 192 | 19.2 | 42 | 23.0 |  |  |
Parents' matched alcohol use group |  |  |  |  |  |  | χ2 = 5.56 |  |
   Both parents ever-users | 167 | 14.1 | 135 | 13.5 | 32 | 17.5 |  |  |
   Mother ever-user, father never-user | 60 | 5.1 | 48 | 4.8 | 12 | 6.6 |  |  |
   Father ever-user, mother never-user | 431 | 36.4 | 360 | 36.0 | 71 | 38.8 |  |  |
   Both parents never-users | 525 | 44.4 | 457 | 45.7 | 68 | 37.2 |  |  |
Parental support (score 7–28) | 21.9 ± 5.0 |  | 22.1 ± 4.9 |  | 20.8 ± 5.3 |  | t = 3.36 | ** |
Family conflict (score 5–20) | 8.8 ± 2.0 |  | 8.8 ± 1.9 |  | 9.2 ± 2.1 |  | t = -2.63 | ** |