Korean Journal of Family Practice

Table. 4.

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.

Korean J Fam Pract 2022;12:201~210 https://doi.org/10.21215/kjfp.2022.12.3.201
© KJFP