. Author manuscript; available in PMC: 2015 Jul 9.

Published in final edited form as: J Youth Adolesc. 2013 Oct 30;43(9):1421–1435. doi: 10.1007/s10964-013-0048-9

Table 2.

Means and standard deviations of all model variables by gender

	Boys	Girls	F
Alcohol involvement WI	.16 (1.08)	−.04 (.86)	24.86^**
Alcohol involvement WII	.17 (1.11)	−.10 (.85)	44.05^**
School-level alcohol consumption	.13 (.28)	.10 (.29)	10.01^**
Number of friends nominated	3.07 (2.36)	3.07 (2.29)	.01
Average of friends’ alcohol consumption	.10 (.81)	.01 (.72)	7.89^*
Average of male friends’ alcohol consumption	.12(.93)	−.06 (.92)	22.07^**
Average of female friends’ alcohol consumption	−.22 (.67)	−.10 (.69)	18.54^**
Percentage of opposite sex peers	30.87 (31.10)	28.53 (28.33)	3.65
Male friend closeness	.53 (.40)	.25 (.32)	325.13^**
Female friend closeness	.24 (.30)	.62 (.40)	585.81^**
Age	15.84 (1.47)	15.58 (1.49)	17.53^**
Race	2.32 (1.74)	2.21 (1.63)	2.38
Romantic partner status	.12 (.33)	.14 (.34)	1.38

Romantic partner status coded as 0 (no romantic partner)/1 (yes romantic partner. Race coded as 1 (White/Europoean American) 2 (Black/ African American) 3 (Hispanic/Latino) 4 (Asian American) 5 (Native American) 6 (other/biracial)

p < .05;

^**

p < .01