. Author manuscript; available in PMC: 2015 Aug 1.

Published in final edited form as: Addict Behav. 2014 Apr 13;39(8):1272–1277. doi: 10.1016/j.addbeh.2014.04.005

Table 5.

Logistic Regression Models Predicting Marijuana Use From ADHD Symptoms and UPPS Impulsivity Dimensions.

	Model 1	Model 2
Likelihood Ratio Test Chi-Square	9.86^**	26.73^***
Nagelkerke's Pseudo R²	0.04	0.12
Independent Variable (Standardized)	ExpB (95% CI)	ExpB (95% CI)
CAARS Inattentive	0.97 (0.71-1.34)	0.80 (0.51-1.25)
CAARS Hyperactive	1.52^** (1.10-2.10)	1.13 (0.76-1.67)
UPPS Negative Urgency		1.78^** (1.24-2.57)
UPPS Sensation Seeking		1.17 (0.85-1.61)
UPPS (lack of) Premeditation		1.22 (0.86-1.75)
UPPS (lack of) Perseverance		1.06 (0.70-1.60)

*p < .05

^**

p < .01

^***

p < .001

Note. CAARS = Conners Adult ADHD Rating Scale; UPPS = Urgency Premeditation Perseverance Sensation Seeking Scale. Estimated percent change is described in the text for each significant predictor. Parenthetical values are 95% confidence intervals.