Effectiveness of additional follow-up telephone counseling in a smoking cessation clinic in Beijing and predictors of quitting among Chinese male smokers

Table 3 By intention to treat, logistic regression (stepwise) analysis for adjusted OR for predictors of quitting at 12 month follow-up

Predictors	Adjusted OR (95 % CI)^a	P-value	P for trend
7-day point prevalence
Group
FC (N = 149)	1.00
FCF (N = 398)	2.12 (1.26–3.56)	0.005
Fagerström test score
Severe (6–10)	1.00		<0.001
Moderate (4–5)	1.79 (1.03–3.10)	0.04
Low (0–3)	3.02 (1.86–4.90)	<0.001
Age (years)
< 31	1.00		0.02
31–40	2.20 (1.16–4.19)	0.02
41–50	1.32 (0.67–2.62)	0.43
> 50	2.49 (1.24–5.00)	0.01
Number of other smokers in household
0	1.00
≥ 1	1.81 (1.07–3.05)	0.03
6 month continuous abstinence
Group
FC (N = 149)	1.00
FCF (N = 398)	2.17 (1.21–3.90)	0.01
Fagerström test score
Severe (6–10)	1.00		<0.001
Moderate (4–5)	2.16 (1.18–3.96)	0.01
Low (0–3)	3.07 (1.78–5.32)	<0.001
Marital status
Single or divorced	1.00
Married	2.79 (1.15–6.79)	0.02
Occupation
Currently employed	1.00
Student/unemployed/retired/others	1.80 (1.05–3.11)	0.03

Face-to-face counseling plus follow-up telephone counseling, FCF Face-to-face counseling only, FC Odds ratio, OR Confidence Interval CI
^aAdjusted for all factors in Table 1 (with the exception of cigarette consumption) and year of the first visit

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