Table 2. Smoking Abstinence Rates at 6-Month Follow-up by Treatment Conditiona.
| 7-d Point-prevalence abstinence | Care group, No. (%) | Adjusted odds ratio (95% CI) | |
|---|---|---|---|
| Sustained | Usual | ||
| Missing equated to smoking | |||
| No. | 169 | 173 | NA |
| Biochemically verified | 15 (8.9) | 6 (3.5) | 2.95 (1.24-6.99) |
| Biochemically verified or verified by significant other | 32 (18.9) | 17 (9.8) | 2.22 (1.14-4.31) |
| Missing regarded as missing (available data only) | |||
| No. | 135 | 129 | NA |
| Biochemically verified | 15 (11.1) | 6 (4.7) | 2.75 (1.11-6.84) |
| Biochemically verified or verified by significant other | 32 (23.7) | 17 (13.2) | 2.08 (1.05-4.10) |
Abbreviation: NA, not applicable.
a
From a generalized linear model with cohort-clustered standard error, controlling for sex and nicotine dependence.