Variables | Bivariate analysis OR (95% CI) | p-valuea; | Multivariate analysis OR (95%CI) | p-valueb; |
---|---|---|---|---|
Age | 0.90 (0.87–0.94) | < 0.001 | 0.93 (0.89–0.97) | 0.002 |
Sex, Female | 1.52 (0.84–2.77) | 0.169 | 1.64 (0.85–3.17) | 0.141 |
Education level | 0.71 (0.40–1.26) | 0.235 | ||
Employed or in school | 0.84 (0.35–1.98) | 0.684 | ||
Treatment, inpatient | 5.32 (2.69–10.49) | < 0.001 | 2.71 (1.25–5.86) | 0.011 |
Cigarettes per day | 1.0 (0.97–1.02) | 0.928 | ||
Respiratory ailmentsd | 1.11 (0.93–1.41) | 0.378 | ||
Physical healthe | 1.21 (0.93–1.59) | 0.156 | 1.31 (0.98–1.76) | 0.065 |
Mental distressf | 0.82 (0.57–1.19) | 0.300 | ||
Severity of dependenceg | 0.99 (0.91–1.09) | 0.866 | ||
a The dependent variable was dichotomized smoking change b p-value obtained from bivariate logistic regression c p-value obtained from multivariable logistic regression; multivariable analysis included variables with p-values < 0.20 in bivariate analyses d Item from somatic complaints questionnaire e Item from QOL10 f HSCL-25 g SDS |