Table 5.

Logistic regression of significant predictors on the primary outcome at the 12-month follow-up session

	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