Table 2.
Logistic regression analyses to the efficacy of smoking cessation at 9–12w.
| Variables | Model 1 | Model 2 | ||
|---|---|---|---|---|
| (OR, 95% CI) | p | (OR, 95% CI) | p | |
| Age, years | ||||
| <40 | Ref | Ref | ||
| 40–49 | 1.15 (0.64–2.06) | .650 | 0.56 (0.21–1.47) | .236 |
| 50–59 | 1.37 (0.78–2.41) | .277 | 0.64 (0.21–1.91) | .419 |
| ≥60 | 1.32 (0.74–2.37) | .345 | 0.44 (0.12–1.65) | .221 |
| Sex | ||||
| Male | Ref | Ref | ||
| Female | 0.88 (0.38–2.11) | .788 | 1.39 (0.52–3.74) | .516 |
| Nationality | ||||
| Han | Ref | Ref | ||
| Minorities | 1.19 (0.46–3.11) | .723 | 1.12 (0.39–3.21) | .829 |
| Educational level | ||||
| High school and below | Ref | Ref | ||
| College and above | 0.00 (0.00–0.00) | .999 | 1.23 (0.71–2.14) | .462 |
| Marital status | ||||
| Unmarried | Ref | Ref | ||
| Married | 1.02 (0.49–2.14) | .957 | 0.95 (0.43–2.10) | .903 |
| Divorced, widowed, and separated | 0.29 (0.08–1.06) | .060 | 0.27 (0.07–1.06) | .061 |
| Salary (RMB) | ||||
| <3000 | Ref | Ref | ||
| 3000–5999 | 1.20 (0.52–2.81) | .667 | 1.01 (0.41–2.47) | .979 |
| ≥6000 | 3.05 (1.35–6.87) | .007 | 2.56 (1.08–6.12) | .034 |
| Age at starting smoking, years | ||||
| ≤18 | Ref | Ref | ||
| >18 | 1.43 (0.93–2.20) | .109 | 1.67 (1.01–2.76) | .047 |
| Duration of smoking, years | ||||
| ≤20 | Ref | Ref | ||
| 21–30 | 1.93 (0.81–4.59) | .137 | 3.61 (1.42–9.20) | .007 |
| 31–40 | 1.86 (0.68–5.10) | .226 | 4.80 (1.51–15.27) | .008 |
| >40 | 1.76 (0.56–5.53) | .334 | 7.19 (1.80–28.79) | .005 |
| The number of cigarettes per day | ||||
| 10 | Ref | Ref | ||
| 11–20 | 0.60 (0.36–0.99) | .046 | 0.61 (0.34–1.09) | .094 |
| 21–30 | 0.31 (0.14–0.72) | .006 | 0.29 (0.11–0.78) | .014 |
| >30 | 0.25 (0.08–0.73) | .011 | 0.26 (0.07–0.90) | .033 |
| Whether tobacco dependence was diagnosed | ||||
| Yes | Ref | Ref | ||
| No | 0.96 (0.61–1.52) | .867 | 0.96 (0.57–1.63) | .890 |
| FTND score | ||||
| 0–3 | Ref | Ref | ||
| 4–6 | 0.63 (0.39–1.03) | .064 | 0.82 (0.47–1.43) | .486 |
| 7–10 | 0.56 (0.32–0.99) | .047 | 0.95 (0.45–2.00) | .883 |
| Previous quitting attempts | ||||
| None | Ref | Ref | ||
| 1 | 1.51 (0.87–2.63) | .143 | 1.44 (0.78–2.61) | .237 |
| ≥2 | 1.68 (1.01–2.81) | .047 | 1.61 (0.92–2.80) | .095 |
| Intervention | ||||
| Bupropion | Ref | Ref | ||
| Comprehensive bupropion and app | 1.73 (1.13–2.64) | .011 | 1.64 (1.04–2.60) | .035 |
Note. Model 1 was adjusted for age and sex; Model 2 was adjusted for age, sex, nationality, education, marital status, salary (RMB), age at starting smoking, duration of smoking, the number of cigarettes per day, whether tobacco dependence was diagnosed, FTND score and previous quitting attempts; FTND = Fagerstrom Test for Nicotine Dependence; OR = odds ratio.