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. Author manuscript; available in PMC: 2019 Jul 19.
Published in final edited form as: Soc Sci Res. 2015 Jan 21;52:193–207. doi: 10.1016/j.ssresearch.2015.01.002

Table 4.

Regression-estimated main or average peer effects (p-value) from ROOM: self’s drinking behavior was regressed on peer drinking behavior in high school, own drinking behavior in high school and controls (not shown), each row from a separate regression model

OUTCOMES MAIN EFFECT N
Behavior in college Own high school
behavior		 Roommate high
school behavior
Binge drinking: monthly episodes 1st fall 3.79(<.0001)*** 0.42(.0074)** 2,067
Binge drinking: monthly episodes last fall 3.32(<.0001)*** 0.20(0.20) 2,067
Drinking: monthly episodes 1st fall 3.82(<.0001)*** 0.66(0.001)*** 1,989
Drinking: monthly episodes last fall 3.44(<.0001)*** 0.47(0.021)* 2,070
***

= p-value<.001;

**

= p-value<.01;

*

= p-value<.05.

All regression models control for ego’s and roommate’s gender, race/ethnicity, GPA, mother’s education, father’s education as well as average alcohol use in the dorm building and a set of fixed effects at the level of cells, dorms and individuals.