| Self-reported seven-day point prevalence abstinence at the 12-month follow up (No vs. Yes) | ||
---|---|---|---|
 | Adjusted OR | 95% CI | p-value |
Age | |||
 18–35 (Young adults) | 0.57 | 0.14–2.30 | 0.427 |
 36–55 (Middle-aged) | 0.13 | 0.031–0.54 | 0.005 |
 56 or above (Older adults) (referent) | 1 |  |  |
Monthly household income | |||
 HK$9999 or less (referent) | 1 |  |  |
 HK$10,000-29,999 | 0.12 | 0.026–0.53 | 0.005 |
 HK$30,000 or above | 0.26 | 0.047–1.42 | 0.120 |
Average cigarette/day in past 1 month | |||
 10 or less | 0.33 | 0.061–1.83 | 0.206 |
 11–20 | 0.099 | 0.016–0.63 | 0.014 |
 21 or above (referent) | 1 |  |  |
Difficulty in quitting | 0.98 | 0.95–1.00 | 0.078 |
Confidence in being able to quit | 1.06 | 1.03–1.10 | < 0.001 |
Mental Component Summary (MCS) | 1.05 | 0.98–1.12 | 0.158 |
Group | |||
 Intervention | 1.96 | 0.63–6.10 | 0.244 |
 Control (referent) | 1 |  |  |