Variables | n | % | Change of smoking cessation stage | Chi-Square test | Crude OR(95 % C.I.) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
No changea | Deteriorationb | Improvementc | Improvement / No Change | Deterioration / No Change | |||||||
n | % | n | % | n | % | ||||||
358 | 183 | 51.1 | 73 | 20.4 | 102 | 28.5 | |||||
Age group | |||||||||||
≦50 | 65 | 18.2 | 31 | 47.7 | 16 | 24.6 | 18 | 27.7 | χ 2 = 1.58 | 1.00 | 1.00 |
51–64 | 90 | 25.1 | 46 | 51.1 | 20 | 22.2 | 24 | 26.7 | p = 0.81 | 0.83 (0.37–1.88) | 0.67 (0.28–1.58) |
≧65 | 203 | 56.7 | 106 | 52.2 | 37 | 18.2 | 60 | 29.6 | 1.03 (0.51–2.07) | 0.65 (0.31–1.36) | |
Smoking-related factors | |||||||||||
Smoking commence age | |||||||||||
<20 | 92 | 26.6 | 49 | 53.3 | 19 | 20.7 | 24 | 26.1 | χ 2 = 1.59 | 1.00 | 1.00 |
20 | 121 | 35.0 | 62 | 51.2 | 21 | 17.4 | 38 | 31.4 | p = 0.81 | 1.23 (0.64–2.36) | 0.72 (0.34–1.55) |
>20 | 133 | 38.4 | 67 | 50.4 | 30 | 22.6 | 36 | 27.1 | 1.10 (0.57–2.11) | 1.05 (0.52–2.12) | |
NK | 12 | 5 | 3 | 4 | |||||||
First cigarette in the morning | |||||||||||
<30 min | 210 | 60.9 | 102 | 48.6 | 43 | 20.5 | 65 | 31.0 | χ 2 = 1.59 | 1.00 | 1.00 |
≧30 min | 135 | 39.1 | 74 | 54.8 | 27 | 20.0 | 34 | 25.2 | p = 0.45 | 0.71 (0.42–1.20) | 0.80 (0.44–1.46) |
NK | 13 | 7 | 3 | 3 | |||||||
Cessation advice from others | |||||||||||
no | 121 | 35.6 | 69 | 57.0 | 15 | 12.4 | 37 | 30.6 | χ 2 = 6.49 | 1.00 | 1.00 |
yes | 219 | 64.4 | 105 | 47.9 | 52 | 23.7 | 62 | 28.3 | p = 0.04 | 1.06 (0.63–1.79) | 2.19 (1.13–4.22) |
NK | 18 | 9 | 6 | ||||||||
Intervention group | |||||||||||
Control | 283 | 79.1 | 144 | 50.9 | 66 | 23.3 | 73 | 25.8 | χ 2 = 11.20 | 1.00 | 1.00 |
PNA | 40 | 11.2 | 18 | 45.0 | 4 | 10.0 | 18 | 45.0 | p = 0.02 | 2.27 (1.07–4.83) | 0.62 (0.20–1.95) |
Leaflet | 35 | 9.8 | 21 | 60.0 | 3 | 8.6 | 11 | 31.4 | 1.00 (0.44–2.26) | 0.35 (0.10–1.22) |