TABLE 2.

Multiple Ordinal Logistic Regression: e-Cigarette Use^*

Predictor	OR	95% CI	p
Age	0.92	[0.87, 0.97]	.001
Race/ethnicity
White	3.27	[1.59, 6.70]	.001
Other	1.00
Education
College graduate	0.90	[0.41, 1.98]	.79
<College graduate	1.00
Pregnant
Yes	0.49	[0.25, 0.95]	.03
No	1.00
Conventional cigarettes
Current	1.77	[0.39, 8.00]	.46
Former	1.28	[0.24, 6.70]	.77
Never	1.00
e-Cigarettes a hazard
Serious	0.49	[0.16, 1.49]	.21
Moderate	1.24	[0.55, 2.82]	.61
Minor	0.90	[0.41, 1.96]	.78
Not at all	1.00

Note. Only women with complete data on all variables in the model are included (n = 182). CI = confidence interval. OR = odds ratio.

^*The ordinal logistic regression estimated likelhood of being a more frequent e-cig use (i.e., current vs. former; former vs. never).