Table 4.

Robust panel logistic regression analysis (main effects) for prediction of quitting smoking by smokers (n=67)

Variables	Robust SE	p Value	OR	95% CI
				Lower	Upper
Age	0.14	<0.01	0.39	0.19	0.78
Gender (ref. female)	0.74	0.64	1.31	0.43	3.98
Intervention group (ref. control)	2.96	<0.01	5.63	2.01	15.79
Comprehensive school (ref. grammar school)	0.17	0.03	0.40	0.18	0.91