Table 1.

Demographic and substance use characteristics of study participants (n=30).

		n (%) or mean (SD)
Age, mean (SD)		43 (9.3)
Race	White	12 (40.0)
	African American	9 (30.0)
	Other	9 (30.0)
Education	High school diploma or less	4 (13.3)
	Some college	17 (56.7)
	Bachelor's degree or higher	9 (30.0)
Days of Substance Use in Last 4 Weeks at Baseline	Methamphetamine, mean (SD)	6 (4.6)
	Alcohol, mean (SD)	13 (7.6)
	Binge alcohol, mean (SD)	7 (7.2)