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. Author manuscript; available in PMC: 2016 Apr 13.

Published in final edited form as: Appetite. 2014 May 6;80:81–88. doi: 10.1016/j.appet.2014.05.004

Table 3.

Hierarchical linear regressions of impulsivity traits and DRD in relation to eating concerns and alcohol misuse.

	Restraint			Eating concern			Weight concern			Shape concern			AUDIT

	R	R²	β	R	R²	β	R	R²	β	R	R²	β	R	R²	β
Step 1	0.34^**	0.12^**		0.27^*	0.07^*		0.42^**	0.18^**		0.44^**	0.19^**		0.21	0.05
Sex			0.32^**			0.21^*			0.42^**			0.43^**			0.09
Income			0.14			−0.15			0.06			0.14			−0.18^†
Step 2	0.38^**	0.14^**		0.42^**	0.18^**		0.48^**	0.23^**		0.51^**	0.26^**		0.57^**	0.32^**
Sex			0.28^**			0.20^*			0.35^**			0.36^**			0.03
Income			0.16^†			−0.07			0.08			0.15^†			−0.13
Negative urgency			0.17^†			0.06			0.21^*			0.25^**			0.48^**
Positive urgency						0.29^*
Premeditation									0.06			0.04
Sensation seeking															0.20^*
Step 3	0.43^**	0.18^**		0.43^**	0.19^**		0.52^**	0.27^**		0.55^**	0.30^**		0.57^**	0.33^**
Sex			0.27^**			0.20^*			0.35^**			0.35^**			0.03
Income			0.07			−0.11			0.01			0.08			−0.11
Negative urgency			0.16^†			0.04			0.22^*			0.26^**			0.48^**
Positive urgency						0.21^*
Premeditation									0.03			0.01
Sensation seeking															0.19^*
Delay discounting			−0.22^*			−0.11			−0.20^*			−0.22^*			0.07

^†

p < 0.10.

^*

p < 0.05.

^**

< 0.01.