Percentage students by smoking status condition totals
| Current smoker* | Ex-smoker | Never smoker/ intender | Never smoker/ non-intender | |
|---|---|---|---|---|
| No significant differences. | ||||
| Treatment: time 1 | 18.6 | 18.1 | 13.6 | 55.2 |
| Treatment: time 2 | 21.3 | 18.8 | 15.8 | 44.0 |
| Difference: T1 v T2 | +2.7 | +0.7 | +2.2 | −11.2 |
| Comparison: time 1 | 19.6 | 18.2 | 13.7 | 48.5 |
| Comparison: time 2 | 20.6 | 18.9 | 14.7 | 45.7 |
| Difference: C1 v C2 | +1.0 | +0.7 | +1.0 | −2.8 |
| Difference: C1 v T1 | +1.0 | +0.1 | +0.1 | −6.7 |
| Difference: C2 v T2 | −0.7 | +0.1 | −1.1 | +1.7 |