OR and 95% CI from the logistic regression models for the factors associated 6 months smoking cessation
| Variable | Crude | Multi-variated | |||||
|---|---|---|---|---|---|---|---|
| OR | 95% CI | P-value | OR | 95% CI | P-value | ||
| Age (y) | 1.03 | 1.02–1.05 | <0.001 | ||||
| <20 | 0.27 | 0.16–0.46 | <0.001 | 0.19 | 0.72–0.52 | 0.001 | |
| 20–29 | 0.44 | 0.30–0.65 | <0.001 | 0.25 | 0.10–0.64 | 0.004 | |
| 30–39 | 0.38 | 0.22–0.65 | <0.001 | 0.17 | 0.05–0.57 | 0.005 | |
| ≥40 | 1 | (reference) | |||||
| Registration type | |||||||
| Adolescent | 1 | (reference) | |||||
| Adult female | 3.90 | 1.68–9.07 | 0.002 | 1.54 | 0.41–5.79 | 0.524 | |
| College student | 3.58 | 1.47–8.73 | 0.005 | 3.38 | 0.99–11.50 | 0.052 | |
| Psychiatric disabled | 3.67 | 1.04–12.93 | 0.043 | 0.19 | 0.03–1.38 | 0.1 | |
| Exercise (yes) | 1.28 | 0.89–1.84 | 0.188 | ||||
| Drinking (yes) | 1.30 | 0.92–1.83 | 0.138 | ||||
| BMI (kg/m2) | 1.01 | 0.98–1.05 | 0.47 | ||||
| WC (inch) | 1.00 | 0.97–1.02 | 0.823 | ||||
| Cigarettes smoked per day | 0.92 | 0.89–0.95 | <0.001 | ||||
| Total smoking period | 1.02 | 1.00–1.03 | 0.102 | 0.94 | 0.89–0.98 | 0.005 | |
| Pack years | 1.00 | 0.98–1.03 | 0.71 | ||||
| Age at which first cigarette was smoked | 1.068 | 1.05–1.09 | <0.001 | ||||
| FTND scores | 0.81 | 0.74–0.87 | <0.001 | 0.79 | 0.69–0.91 | 0.001 | |
| CO (ppm) | 0.91 | 0.88–0.94 | <0.001 | 0.96 | 0.91–1.01 | 0.098 | |
| Importance | 1.14 | 1.03–1.25 | 0.008 | ||||
| Confidence | 1.35 | 1.23–1.48 | <0.001 | 1.21 | 1.06–1.37 | 0.003 | |
| NRT | 1.46 | 1.05–2.04 | 0.026 | ||||
| Number of counseling sessions | 1.344 | 1.29–1.40 | <0.001 | 1.51 | 1.40–1.63 | <0.001 | |
OR, odds ratio; CI, confidence interval; BMI, body mass index; WC, waist circumference; FTND, Fagerström Test for Nicotine Dependence; CO, carbon monoxide; NRT, nicotine replacement therapy.
P-values from multivariate logistic regression analysis performed by Wald backward elimination including all variables.