Number of days smoked cigarettes in the preceding 30 days | Unweighted sample size | Number of days used ST of preceding 30 days | |||||
All 30 days | 1–29 days | 0 days | |||||
% | SE | % | SE | % | SE | ||
Middle school | |||||||
All 30 days | 79 | 26.3 | 6.0 | 20.0 | 5.5 | 53.7 | 7.9 |
1–29 days | 443 | 1.4 | 0.6 | 15.7 | 2.3 | 82.9 | 2.4 |
0 days | 5987 | 0.2 | 0.1 | 1.4 | 0.3 | 98.4 | 0.3 |
Total | 6509 | 0.6 | 0.1 | 2.6 | 0.4 | 96.9 | 0.4 |
High school | |||||||
All 30 days | 390 | 9.6 | 1.9 | 25.2 | 2.8 | 65.2 | 3.3 |
1–29 days | 873 | 4.7 | 1.0 | 17.6 | 1.9 | 77.7 | 2.4 |
0 days | 4994 | 1.2 | 0.3 | 3.8 | 0.5 | 95.1 | 0.6 |
Total | 6257 | 2.3 | 0.4 | 7.2 | 0.7 | 90.5 | 1.0 |
Male middle school students (grades 6–8) and high school students (grades 9–12). National Youth Tobacco Survey, 2004.