Table 2.

^* Hierarchical regression models predicting neurochemical characteristics using behavioral variables including food entries (Step 1) and average alcohol consumption (Step 2)

	Beta	t	Partial r	R² Change	F change^A	Adj. R²
Predicting 40 Pulse response with behavioral measures
Step 1				0.02	1.13 (1,49)	0.003
AVG Entries	0.15	1.06	0.15
Step 2				0.09	5.05^* (1,48)	0.079
AVG Entries	0.09	0.68	0.10
AVG G/KG	0.31	2.25 ^*	0.31
Predicting DAT half-life at baseline with behavioral measures
Step 1				0.01	.53 (1,44)	-0.01
AVG Entries	0.11	0.07	0.11
Step 2				0.08	3.63 (1,43)	0.05
AVG Entries	0.16	1.05	0.16
AVG G/KG	-0.28	-1.91 ⁺	-0.28
Predicting DAT half-life after nomifensine with behavioral measures
Step 1				0.11	4.72^* (1,40)	0.08
AVG Entries	-0.33	-2.17 ^*	-0.33
Step 2				0.09	4.35^* (1,39)	0.15
AVG Entries	-0.28	-1.93	-0.30
AVG G/KG	-0.30	-2.09 ^*	-0.32

Degrees of freedom in parentheses

p<.05

⁺

p=.06