Regressions of Alcohol Hangover Scale and of Hangover

Predictor	Beta	sr²	F(1,89)
Regression of hangover intensity (Model r²= .66)
Gender (female)	6.57	0.01	2.80
Bourbon (vs. vodka)	-1.96	0.00	0.24
Average daily alcohol volume	-2.38	0.00	1.05
PVT score, placebo condition	0.95	0.55	145.30 ***
Alcohol Hangover Scale	7.93	0.05	12.90 **
Regression of hangover incidence (Model r²= .63)
Gender (female)	7.07	0.01	2.93
Bourbon (vs. vodka)	2.01	0.00	0.25
Average daily alcohol volume	-2.59	0.00	1.12
PVT score, placebo condition	0.96	0.56	135.16 ***
Hangover item (yes/no)	9.65	0.02	3.72 *

PVT Psychomotor Vigilance Task median reaction time
*p = .057.
**p < .001.
***p < .0001

Table 2: Regressions of Alcohol Hangover Scale and of Hangover Incidence Predicting PVT Score the Day after Alcohol Administration, Covarying Gender, Beverage Type, Usual Drinking, and Placebo PVT Score.

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