. 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 6.

Hierarchical regression model predicting AUDIT scores from ADHD symptoms and impulsivity dimensions.

Step	Predictor(s)	change in R²	total R²	β (95% CI)
1	CAARS IA		.10^***	.10 (−.21 – 1.37
	CAARS HI			.24^*** (.67 – 2.26)
2	CAARS IA	.12^***	.22^***	.07 (−.57 – 1.37)
	CAARS HI			.02 (−.75 – .97)
	UPPS NU			.22^*** (.58 – 2.11)
	UPPS PRE			.21^*** (.53 – 2.11)
	UPPS PERS			−.08 (−1.37 – .38)
	UPPS SS			.18^*** (.46 – 1.76)

*p < .05

**p < .01

^***

p < .001

Note. CAARS = Conners Adult ADHD Rating Scale; UPPS = Urgency Premeditation Perseverance Sensation Seeking Scale.