From: Effects of morbidity on smoking cessation: a national smoking cessation program
Crude | Model 1 | Model 2 | Model 3 | |
---|---|---|---|---|
Sex | ||||
Male | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Female | 1.04 (0.72 to 1.51) | 1.04 (0.72 to 1.50) | 1.19 (0.79 to 1.81) | 1.19 (0.78 to 1.80) |
Age in years | ||||
< 50 | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
≥ 50 | 1.31 (1.04 to 1.63) | 1.31 (1.04 to 1.63) | 1.28 (0.92 to 1.79) | 1.27 (0.91 to 1.76) |
Income level | ||||
MHI group | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
LI group | 1.15 (0.83 to 1.61) | 1.14 (0.82 to 1.60) | 1.22 (0.85 to 1.74) | 1.23 (0.86 to 1.75) |
Region | ||||
Seoul metropolitan area | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Non-metropolitan areas | 1.24 (0.99 to 1.54) | 1.23 (0.98 to 1.54) | 1.28 (1.01 to 1.62) | 1.28 (1.01 to 1.61) |
Health care facility type | ||||
Community clinics | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Others | 1.29 (0.99 to 1.67) | 1.26 (0.97 to 1.64) | 1.08 (0.82 to 1.43) | 1.09 (0.82 to 1.44) |
Program completion status | ||||
Incomplete | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Complete | 3.15 (2.49 to 4.00) | 3.13 (2.46 to 3.97) | 3.09 (2.42 to 3.95) | 3.11 (2.43 to 3.98) |
Nicotine dependence levela | ||||
Light/moderate | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Severe | 0.64 (0.50 to 0.82) | 0.63 (0.50 to 0.81) | 0.64 (0.50 to 0.83) | 0.64 (0.50 to 0.83) |
Duration of smoking, years | 1.01 (1.00 to 1.02) | 1.00 (0.99 to 1.02) | 1.00 (0.98 to 1.01) | 1.00 (0.98 to 1.01) |
Smoking cessation medication | ||||
Varenicline only | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Bupropion only | 0.62 (0.40 to 0.96) | 0.61 (0.39 to 0.94) | 0.71 (0.45 to 1.13) | 0.72 (0.46 to 1.14) |
NRT only | 0.53 (0.16 to 1.73) | 0.48 (0.15 to 1.59) | 0.58 (0.17 to 2.02) | 0.57 (0.16 to 1.99) |
Others | 1.12 (0.57 to 2.20) | 1.07 (0.54 to 2.10) | 0.88 (0.42 to 1.81) | 0.87 (0.42 to 1.80) |
HTN | ||||
No | 1 (reference) | 1 (reference) | 1 (reference) | |
Yes | 1.21 (0.91 to 1.60) | 1.12 (0.84 to 1.50) | 1.07 (0.79 to 1.46) | |
DM | ||||
No | 1 (reference) | 1 (reference) | 1 (reference) | |
Yes | 1.03 (0.74 to 1.45) | 0.93 (0.66 to 1.32) | 0.89 (0.62 to 1.29) | |
DL | ||||
No | 1 (reference) | 1 (reference) | 1 (reference) | |
Yes | 1.07 (0.70 to 1.63) | 1.01 (0.66 to 1.55) | 1.14 (0.73 to 1.78) | |
No. of CVD | ||||
0 | 1 (reference) | 1 (reference) | 1 (reference) | |
1 | 1.11 (0.87 to 1.43) | 1.02 (0.78 to 1.33) | 1.04 (0.79 to 1.39) | |
2 | 1.17 (0.71 to 1.94) | 1.04 (0.62 to 1.75) | 0.92 (0.53 to 1.60) | |
3 | 1.93 (0.32 to 11.61) | 1.63 (0.27 to 9.90) | 2.17 (0.35 to 13.52) | |
COPD | ||||
No | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Yes | 1.02 (0.62 to 1.70) | 0.95 (0.57 to 1.59) | 1.02 (0.59 to 1.76) | 1.03 (0.60 to 1.77) |
MDD | ||||
No | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
Yes | 0.49 (0.25 to 0.94) | 0.47 (0.24 to 0.91) | 0.42 (0.21 to 0.84) | 0.43 (0.21 to 0.86) |