Table 3.

Results of individual hierarchical linear regressions testing peer experiences as predictors of increases in youth anxiety severity from baseline to 12-month follow-up.

Predictor (Step 2 variable)	Dependent variable		Predictor (Step 2 variable)	Dependent variable		Predictor (Step 2 variable)	Dependent variable
	12-month youth anxiety severity			12-month youth anxiety severity			12-month youth anxiety severity
	b	ΔR2		b	ΔR2		b	ΔR2
Step 1		.30**	Step 1		.30**	Step 1		.30**
Intervention group	2.09**		Intervention group	2.09**		Intervention group	2.09**
Annual family income	−.43		Annual family income	−.43		Annual family income	−.43
Youth age	−17		Youth age	−.17		Youth age	−.17
Female gender	1.35*		Female gender	1.35*		Female gender	1.35*
Baseline youth anxiety severity	.40**		Baseline youth anxiety severity	.40**		Baseline youth anxiety severity	.40**
	b	ΔR2 due to predictor		b	ΔR2 due to predictor		b	ΔR2 due to predictor
Step 2		.08**	Step 2		.03*	Step 2		.01
Peer Victimization	.66**		Social Support – Classmates	−1.62*		Social Support – Close friends	.84
Intervention group	2.67**		Intervention group	2.91**		Intervention group	2.91**
Annual family income	−.41		Annual family income	−.49		Annual family income	−.46
Youth age	.08		Youth age	.03		Youth age	.08
Female gender	1.38*		Female gender	1.38*		Female gender	1.42*
Baseline youth anxiety severity	.37**		Baseline youth anxiety severity	.46**		Baseline youth anxiety severity	.43**

Note. Regression coefficients are unstandardized.

^**p<.01

^*p<.05