Table 5.

Logistic regressionof factors associated with male surgeons’ smoking cessation activity (n=823)

	(1) Always asked if a patient smokes		(2) Always advised smokers to quit
	Coefficient	OR (95% CI)	Coefficient	OR (95% CI)
Professional background
Years of practice
<10 years		Reference		Reference
≥10 years	−0.29	0.75 (0.41–1.36)	−0.03	0.97 (0.54–1.75)
Education
≤College		Reference		Reference
Bachelor	0.92	2.52* (1.48–4.30)	0.46	1.58 (0.96–2.62)
Master/MD	0.44	1.56 (0.75–3.22)	0.40	1.50 (0.76–2.94)
Position
≤Junior		Reference		Reference
Middle-career	−0.56	0.57* (0.34–0.96)	−0.39	0.68 (0.40–1.15)
Associate and senior	−0.20	0.82 (0.41–1.65)	−0.19	0.83 (0.41–1.65)
City
Guangzhou		Reference		Reference
Chengdu	0.60	1.83* (1.01–3.33)	0.33	1.40 (0.79–2.46)
Wuhan	0.80	2.23* (1.26–3.95)	0.33	1.39 (0.79–2.42)
Tianjin	0.78	2.17* (1.16–4.09)	0.35	1.42 (0.78–2.60)
Harbin	0.75	2.11* (1.13–3.95)	0.51	1.67 (0.92–3.02)
Lanzhou	0.66	1.93* (1.06–3.52)	−0.10	0.91 (0.50–1.65)
Knowledge
Smoking is harmful to your health
Agree		Reference		Reference
Probably or not agree	−0.38	0.69* (0.48–0.98)	−0.39	0.68* (0.47–0.97)
Passive smoking is related to lung cancer
Agree		Reference		Reference
Probably or not agree	−0.50	0.95 (0.58–1.57)	−0.60	0.55* (0.32–0.96)
Attitudes
Health professional should serve as role models for patients
Support		Reference		Reference
Oppose	0.47	1.60 (0.99–2.59)	0.16	1.18 (0.71–1.95)
All indoor smoking in hospitals should be prohibited
Support		Reference		Reference
Oppose	−0.21	0.81 (0.50–1.31)	−0.49	0.61 (0.37–1.02)
Constant	−1.92		−1.10

⁽¹⁾χ²=56.94, df=14, p<0.000;

⁽²⁾χ²=29.16, df=14, p<0.000

^*P<0.05 (2-tailed),

^**P<0.01 (2-tailed)

Note: The first category in all variables was regarded as the reference category