Table 2.

Peer Group Self-Identification at Baseline as a Predictor of Relational and Physical Aggression 1 Year Later, Controlling for Baseline Aggression, Age, Gender, Ethnicity, and School Type (Model 1)

	Main Effects
	Relational Aggression	Physical Aggression
Baseline aggression b (SE_b)	0.27 (0.02)^***	0.28 (0.03)^***
Peer group	F (3, 1562) = 4.63^**	F (3, 1588) = 4.28^**
High-Risk Youth^† b (SE_b)	0.12 (0.04)^**	0.20 (0.07)^**
Elites b (SE _b)	0.10 (0.04)^*	0.11 (0.08)
Others b (SE _b)	−0.01 (0.04)	0.06 (0.07)
Age b (SE_b)	−0.02 (0.02)	−0.15 (0.04)^**
Female gender (male = 0; female = 1) b (SE_b)	−0.01 (0.03)	−0.25 (0.06)^***
Hispanic ethnicity (non-Hispanic = 0; Hispanic = 1) b (SE_b)	0.005 (0.03)	0.04 (0.05)
School type (RHS = 0; CHS = 1) b (SE_b)	0.015 (0.05)	0.38 (0.14)^**
Parental education (1 = full college or more; 0 = some college or less) b (SE_b)	−0.001 (0.98)	0.09 (0.06)

p < 0.05;

^**

p < 0.01;

^***

p < 0.001. (two-tailed). SE= Standard Error.

RHS, regular high school; CHS, continuation high school.

^†

“Regulars” is used as the reference category.