TABLE 3.

Summary of Logistic Regression Model Predicting Past Year Marijuana Use: Effects (N = 5512)^*

Predictor†	OR	95% CI	P
Other drug use (past year)	5.40	(4.3–6.7)	<0.001
Alcohol use disorder	2.31	(1.9–2.8)	<0.001
Smoking status	1.50	(1.3–1.7)	<0.001

^*Adjusted for age, race, and sex.

^†A forward stepwise selection based on likelihood ratio statistics was used to fit the final model, using an alpha entry criterion of 0.005.