Table 5.

Logistic regression models for participant 30-day alcohol use (never versus ever) and 30-day binge drinking (ever versus never) at T2, adjusting for T1 use, using alternate configurations of peer variables.

30-day Participant Alcohol Use
W4 Perceived Norms - Peer Drinking		Pseudo R2	OR	95% CI
Closest 5 friends	Never	0.29		Ref
	Somea		2.50	1.4	4.6
Closest male friend	Never	0.30		Ref
	Somea		2.65	1.5	4.8
Closest female friend	Never	0.29		Ref
	Somea		2.72	1.4	5.2
Actual Peer Drinking			OR	95% CI
Peer drinking - low cut-off	None	0.33		Ref
	At least one peer reports drinking 3 or more times		3.44	1.9	6.1
Peer drinking – high cut-off	None	0.29		Ref
	At least one peer reports drinking 6 or more times		2.42	1.3	4.4
30-day Participant Binge Drinking
W4 Perceived Norms - Peer Drunk		Pseudo R2	OR	95% CI
Closest 5 friends	Never	0.44		Ref
	Somea		5.38	2.7	10.9
Closest male friend	Never	0.42		Ref
	Somea		4.50	2.3	8.9
Closest female friend	Never	0.40		Ref
	Somea		3.30	1.6	6.7
W4 Actual Peer Binge			OR	95% CI
Peer binge- low cut-off	None	0.38	2.38	1.2	4.8
	At least one peer reports binging 2 or more times
Peer binge – high cut-off	None	0.36	1.72	0.9	3.3
	At least two peers report binging 2 or more times

^aSome includes almost never/sometimes/often/always.