Table 3.

Logistic regression coefficients for odds of tobacco use, with and without potential confounding variables

	Model 1		Model 2		Model 3		Model 4
	OR (95% CI)	P values	OR (95% CI)	P values	OR (95% CI)	P values	OR (95% CI)	P values
Purpose in life	0.71 (0.63 to 0.80)	<0.001	0.81 (0.71 to 0.91)	0.001	0.80 (0.71 to 0.91)	<0.001	0.80 (0.70 to 0.91)	0.001
Age			0.98 (0.95 to 1.00)	0.061	0.97 (0.95 to 1.00)	0.043	0.97 (0.95 to 1.00)	0.044
Education			0.44 (0.38 to 0.52)	<0.001	0.45 (0.38 to 0.52)	<0.001	0.45 (0.38 to 0.52)	<0.001
Marital status			0.41 (0.27 to 0.62)	<0.001	0.41 (0.27 to 0.63)	<0.001	0.41 (0.27 to 0.63)	<0.001
Family income			0.71 (0.62 to 0.82)	<0.001	0.71 (0.62 to 0.81)	<0.001	0.71 (0.62 to 0.81)	<0.001
Alcohol use					1.18 (1.10 to 1.28)	<0.001	1.18 (1.10 to 1.28)	<0.001
Psychological distress							1.00 (0.96 to 1.04)	0.974