. Author manuscript; available in PMC: 2017 Dec 1.

Published in final edited form as: Psychol Addict Behav. 2016 Sep 26;30(8):791–801. doi: 10.1037/adb0000207

Table 1.

Demographics and baseline characteristics.

	MI+EC	MI+CM	Statistic (df)	p-value
	(n =34)	(n =36)
Age	19.9 (1.3)	20.1 (1.6)	F(1,69) = 0.44	.512
Male, no. (%)	13 (37.1)	18 (51.4)	χ²(1) = 1.45	.229
Ethnicity, no. (%)			χ²(2) = 1.67	.439
African American	1 (2.9)	0 (0.0)
Caucasian	29 (82.9)	32. (91.4)
Other	5 (14.3)	3 (8.6)
Years of Education	14.2 (1.5)	14.3 (1.7)	F(1,69) = 0.02	.880
Cumulative Grade Point Average	3.2 (0.5)	3.3 (0.5)	F(1,69) = 0.64	.428
AUDIT Score, past year	13.9 (5.9)	13.7 (4.9)	F(1,69) = 0.03	.859
Body Mass Index (kg²/m)	24.1 (3.2)	25.1 (3.3)	F(1,69) = 1.60	.210

Note. AUDIT = Alcohol Use Disorders Identification Test; MI+EC = motivational interviewing plus exercise contracting; MI+CM = motivational interviewing plus contingency management.