Table 3.

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

	Coefficient	OR	95% CI
Professional background
Years of practice
<10 years		Reference
≥10 years	0.35	1.41	0.84–2.39
Education
≤College		Reference
Bachelor	−0.50	0.61 *	0.40–0.94
Master/MD	−0.88	0.42**	0.23–0.77
Position
≤Junior		Reference
Middle-career	0.57	1.77*	1.08–2.91
Associate and senior	0.87	2.38**	1.26–4.48
City
Guangzhou		Reference
Chengdu	0.75	2.12**	1.23–3.66
Wuhan	0.94	2.56**	1.50–4.37
Tianjin	1.40	4.04**	2.23–7.33
Harbin	1.07	2.92**	1.62–5.25
Lanzhou	1.81	6.08**	3.46–10.69
Knowledge
Smoking is harmful to your health
Agree		Reference
Probably or not agree	0.91	2.48**	1.80–3.44
Passive smoking is related to lung cancer
Agree		Reference
Probably or not agree	0.70	2.01**	1.25–3.22
Attitudes
Health professional should serve as role models for patients
Support		Reference
Oppose	0.55	1.74*	1.09–2.77
All indoor smoking in hospitals should be prohibited
Support		Reference
Oppose	1.13	3.09**	1.97–4.84
Constant	−2.21

χ²=184.246, 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