. Author manuscript; available in PMC: 2012 Jun 25.

Published in final edited form as: Dev Psychol. 2007 Jul;43(4):1019–1031. doi: 10.1037/0012-1649.43.4.1019

Table 6.

Summary of Regression Analyses Examining Whether Initial (Time 1) Friendship and Emotional Adjustment Predict Later (Time 2) Co-Rumination

	DV = Time 2 Co-Rumination					DV = Time 2 Co-Rumination

	β	t value	R²	R² change		β	t value	R²	R² change
Step 1:					Step 1:
Time 1 Co-Rumination	.54	14.00^****	.2933	—	Time 1 Co-Rumination	.54	14.00^****	.2933	—
Step 2:					Step 2:
Gender	−.19	4.93^****	.3323	.0390^****	Gender	−.19	4.93^****	.3323	.0390^****
Grade Group	.05	1.37			Grade Group	.05	1.37
Step 3:					Step 3:
Depression	.11	3.04^**	.3511	.0188^**	Anxiety	.15	3.79^***	.3580	.0257^****
Positive Friendship Quality	.10	2.46^*			Positive Friendship Quality	.09	2.21^*
Step 4:					Step 4:
Depression	.03	.84	.3521	.0010	Anxiety	.08	2.03^*	.3636	.0056^*
X Positive Friendship Quality					X Positive Friendship Quality
Step 5:					Step 5:
Gender X Grade Group	−.10	1.57	.3585	.0064	Gender X Grade Group	−.11	1.74	.3702	.0066
Gender X Depression	−.03	.61			Gender X Anxiety	−.01	.12
Grade Group X Depression	.03	.63			Grade Group X Anxiety	.05	.96
Gender X Positive Friendship	−.06	.89			Gender X Positive Friendship	−.04	.65
Grade Group X Positive	−.07	1.39			Grade Group X Positive	−.06	1.15
Friendship Quality					Friendship Quality

Note.

p < .05.

^**

p < .01.

^***

p < .001.

^****

p < .0001. None of the higer-order interactions entered on subsequent steps were significant. The total R² value from each of the models tested was significant.