Table 1.
Prevalence of past-month tobacco smoking by gender among students in private high schools (n = 2680)
| Tobacco Consumption | Boys | Girls | Total | p | |||
|---|---|---|---|---|---|---|---|
| % (95%CI) | Unweighted count | % (IC 95%) | Unweighted count | % (IC 95%) | Unweighted count | ||
| Past-month use | 14.3 (11.0-18.4) | 180 | 14.0 (10.2-19.0) | 207 | 14.2 (11.5-17.4) | 387 | 0.76 |
| 1 to 5 days | 8.5 (5.9-12.1) | 114 | 8.0 (6.1-10.6) | 117 | 8.3 (6.5-10.4) | 231 | |
| 6 to 19 days | 2.5 (1.5-4.0) | 29 | 1.8 (1.0-3.4) | 31 | 2.1 (1.4-3.2) | 60 | |
| 20 days or more | 3.4 (1.7-6.4) | 37 | 4.1 (2.6-6.5) | 59 | 3.8 (2.6-5.5) | 96 | |
| Boys | Girls | Total | |||||
| Average age of onset | 14.02 (13.69-14.35) | 13.98 (13.61-14.35) | 14.00 (13.67-14.32) | 0.20 | |||