Table 4.

Multiple linear regression models using QUIPs as the dependent variable among ICD+.

	Adjusted R2	Estimate	t	p
All-in model	0.5974
(Intercept)		−3.55	−1.82	0.08
LEDD		0.00006	0.13	0.90
DAA use		0.055	0.11	0.91
Age		0.0007	0.037	0.97
BIS-11		0.065	2.45	0.02
CE		4.57	4.56	< 0.001
Current alcohol user		−0.459	−0.86	0.40
Current smoker		1.26	2.39	0.03
Stepwise, both directions model	0.6452
(Intercept)		−3.52	−2.63	0.01
BIS-11		0.06	2.58	0.02
CE		4.35	4.82	< 0.001
Current Smoker		1.24	2.57	0.02

QUIPs, Short version of Questionnaire for Impulsive-Compulsive Disorders; ICD, impulsive control disorders; LEDD, levodopa equivalent daily dose; DAA, dopamine agonists; BIS-11, Barrat Impulsiveness Scale; CE, Commission Errors.