Tobacco use abstinence at baseline, six months, and one year
| Usual care (n = 105) | Nicotine patch (n = 98) | Placebo patch (n = 100) | Both patch groups (n = 198) | |
|---|---|---|---|---|
| *Spit tobacco = snuff and chew tobacco combined—that is, percentage of subjects who used neither form. | ||||
| †Time 0 for usual care is 2 week follow up; for patch groups, time 0 = end of the 9 weeks of behavioural and patch intervention. | ||||
| ‡Usual care subjects were not queried about tobacco status at 6 months. | ||||
| Time 0 (post-classes) | ||||
| Spit tobacco* (%) | 3.8† | 31.6 | 29.0 | 30.3 |
| 6 months | ||||
| Spit tobacco(%) | N/A‡ | 15.3 | 17.0 | 16.2 |
| 1 year | ||||
| Spit tobacco (%) | 11.4 | 17.3 | 25.0 | 21.2 |
| Snuff (%) | 12.4 | 18.4 | 26.7 | 22.6 |
| Chew tobacco (%) | 22.9 | 29.6 | 36.0 | 32.8 |
| Cigarette (%) | 14.3 | 12.2 | 23.0 | 17.7 |
| All tobacco (%) | 7.6 | 6.1 | 13.0 | 9.6 |