Significant predictors of successful smoking cessation in the final multivariate model with the 22 psychosocial, behavioural, and health covariates
| Variables | Multivariate OR | 95% CI |
|---|---|---|
| Social group5-150 | ||
| I–II | 1 | |
| III | 0.77 | 0.43–1.33 |
| VI | 0.40 | 0.17–0.76 |
| V | 0.47 | 0.22–0.88 |
| Spouse smokes | ||
| Yes | 1 | |
| No | 2.12 | 1.40–3.50 |
| No spouse/cohabitant | 0.82 | 0.35–1.98 |
| Age (years) | ||
| 30 | 1 | |
| 40 | 1.12 | 0.53–2.34 |
| 50 | 1.14 | 0.69–2.42 |
| 60 | 3.23 | 1.28–4.16 |
| Stage of change (motivation to stop) | ||
| Precontemplation (did not wish or try to quit) | 1 | |
| Contemplation (wished or tried to quit) | 2.28 | 1.33–3.77 |
| Amount smoked (g/day) | ||
| 0–10 | 1 | |
| ⩾10 | 0.44 | 0.28–0.79 |
| PseudoR 2 | 0.13 | |
| p-Value Hosmer-Lemeshow χ2 | 0.44 | |
OR = odds ratios, CI = confidence intervals.
↵5-150 The participants were classified into five social strata, with I as the highest and V as the lowest (see text for definitions).