. Author manuscript; available in PMC: 2013 Jun 1.

Published in final edited form as: Prev Sci. 2012 Jun;13(3):241–251. doi: 10.1007/s11121-011-0263-0

Table 2.

Average treatment effect of the treated the odds of alcohol use controlling for propensity score in matched samples

		REAL Group participants Odds	Non-participants Odds	Difference	t-statistic	Number of students
Alcohol use	Non-Matched	0.63	1.11	−0.48	−1.97^*	n=361
Alcohol use	Matched	0.63	1.18	−0.55	−2.32^**	n=204

^**

p<.01,

p<0.05