Factors related to smoking cessation success by age group
| Variable | Age group (y) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <10 | 20–29 | 30–39 | ≥40 | ||||||||||||
| OR | 95% CI | P-value | OR | 95% CI | P-value | OR | 95% CI | P-value | OR | 95% CI | P-value | ||||
| Cigarettes smoked per day |
1.22 | 0.98–1.51 | 0.07 | ||||||||||||
| Total smoking period | 2.42 | 1.21–4.85 | 0.013 | 0.89 | 0.82–0.98 | 0.013 | 0.84 | 0.69–1.03 | 0.087 | 0.95 | 0.90–1.00 | 0.066 | |||
| Pack years | 0.05 | 0.01–0.37 | 0.004 | ||||||||||||
| FTND scores | 0.46 | 0.22–0.97 | 0.041 | 0.65 | 0.54–0.79 | <0.001 | 0.50 | 0.24–1.04 | 0.064 | ||||||
| CO (ppm) | 0.90 | 0.84–0.98 | 0.011 | ||||||||||||
| Confidence | 1.80 | 1.03–3.15 | 0.038 | 1.30 | 1.04–1.62 | 0.022 | |||||||||
| NRT | 12.03 | 1.50–96.39 | 0.019 | ||||||||||||
| Number of counseling sessions |
2.40 | 1.50–3.84 | <0.001 | 1.51 | 1.35–1.68 | <0.001 | 1.67 | 1.26–2.21 | <0.001 | 1.32 | 1.18–1.47 | <0.001 | |||
OR, odds ratio; CI, confidence interval; 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.