Table 3.

Multilevel Models Predicting Concurrent Smoking and Drinking Occasions versus non-Smoking Drinking Occasions

	Est. (SE)	OR
Level 1 predictors
# of drinks	0.16 (0.03)**	1.18
Alone vs. With others	-0.32 (0.39)	0.73
At home (1=at home versus other locations)	-0.03 (0.24)	0.97
At a party (1=at a party versus other locations)	1.28 (0.30)**	3.57
At a bar (1=at a bar versus other locations)	0.78 (0.36)*	2.17
Change in urge to smoke	-0.11 (0.07)	0.90
Change in stress	0.20 (0.06)**	1.22
Weekday/weekend	0.03 (0.21)	1.04
Level 2 predictor
Gender (1=female)	0.29 (0.44)
Daily smoker (1=yes)	1.45 (0.43)**

Note.

^*p < 0.05;

^**p < 0.01;

Est. = unstandardized estimate; SE = standard error; OR = odds ratio.