Table 5. Logistic regression: Odds ratios (ORs) and 95% confidence intervals (CI) for the constructs of the theory of planned behavior related to reduce passive smoking exposure among non-smokers (n=239) .

Variables	Unadjusted OR (95%CI)	P value	Adjusted OR (95%CI) a	P value
Intention	0.313 (0.161, 0.607)	0.001	0.226 (0.081, 0.633)	0.001
Attitude	0.725 (0.429, 1.226)	0.230	0.866 (0.399, 1.877)	0.715
Subjective Norm	0.852 (0.739, 0.982)	0.027	0.842 (0.690, 1.028)	0.091
Perceived Behavioral Control	0.835 (0.565, 1.234)	0.365	0.853 (0.514, 1.416)	0.539

^a Adjusted for age, sex, marital status, education, occupation, income and number of children