Table 1 Prevalence of past-month binge drinking by gender and age among students in private high schools (n = 2612).
| Â | Gender | Â | Age | Â | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Male | Female | Total | 14-15 | 16-17 | 18-19 | Total | |||||
Binge drinking frequency | n (wgt%) | 95%CI | n (wgt%) | 95%CI | n | n (wgt%) | 95%CI | n (wgt%) | 95%CI | n (wgt%) | 95%CI | n |
None | 709 (59.7) | 54.8 - 64.4 | 968 (70.6) | 65.9 - 74.8 | 1677 | 608 (71.7) | 66.7 - 76.1 | 1005 (63.7) | 58.8 - 68.2 | 64 (47.5) | 40.1 - 55.1 | 1677 |
1 time | 138 (10.4) | 8.1 - 13.3 | 139 (10.2) | 8.6 - 11.9 | 277 | 81 (9.7) | 6.9 - 13.4 | 176 (10.0) | 8.1 - 12.4 | 19 (12.3) | 7.5 - 19.4 | 276 |
2 times | 110 (10.1) | 8.4 - 12.2 | 109 (7.1) | 5.4 - 9.2 | 219 | 67 (7.6) | 6.2 - 9.3 | 135 (8.6) | 7.3 - 10.1 | 16 (13.3) | 7.2 - 23.3 | 218 |
3 to 5 times | 150 (12.7) | 10.2 - 15.7 | 107 (7.6) | 5.7 - 10.0 | 257 | 59 (7.6) | 5.5 - 10.4 | 178 (11.2) | 8.6 - 14.5 | 21 (13.6) | 8.6 - 21.0 | 258 |
6 to 9 times | 45 (3.2) | 2.0 - 5.0 | 43 (2.4) | 1.5 - 3.8 | 88 | 23 (2.0) | 1.0 - 4.1 | 56 (3.1) | 2.0 - 4.6 | 8 (3.8) | 1.8 - 7.8 | 87 |
10 or + | 39 (3.9) | 2.3 - 6.8 | 25 (2.2) | 1.2 - 3.9 | 64 | 9 (1.4) | 0.4 - 4.2 | 47 (3.4) | 2.3 - 5.1 | 8 (9.4) | 3.2 - 24.4 | 64 |
Total | 1191 (100) | Â | 1391 (100) | Â | 2582* | 847 (100) | Â | 1597 (100) | Â | 136 (100) | Â | 2580* |