Trend in smoking prevalence over time for teens with two or more surveys (n = 420)
| Smoking category | Intervention | Control | ||
|---|---|---|---|---|
| n | % | n | % | |
| No change non-smokers | 125 | 68 | 186 | 79 |
| No change smokers | 28 | 16 | 19 | 8 |
| Increasing smokers | 18 | 10 | 19 | 8 |
| Decreasing smokers | 14 | 8 | 11 | 5 |