. Author manuscript; available in PMC: 2014 Jun 1.

Published in final edited form as: J Fam Psychol. 2013 Jun;27(3):387–397. doi: 10.1037/a0032863

Table 1.

Correlation matrix, means, and standard deviations for study variables

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
1. Family instability	--
2. T2 Economic hardship	.13^**	--
3. T1 Mother-adol. con.	.08^*	−.10^*	--
4. T2 Mother-adol. con.	.10^**	−.02	.36^**	--
5. T2 Adol. fam. values	.07	−.02	−.07	−.03	--
6. T1 Academic self-eff.	.01	−.09^*	.00	−.03	.28^**	--
7. T2 Academic self-eff.	−.01	−.09^*	−.13^**	−.10^*	.41^**	.40^**	--
8. T1 School attachment	−.00	−.01	−.10^**	−.02	.11^**	.40^**	.24^**	--
9. T2 School attachment	.01	−.05	−.11^**	−.20^**	.25^**	.18^**	.48^**	.33^**	--
10. T1 Grades	−.05	−.18^**	.00	.06	−.06	.18^**	.21^**	.16^**	.05	--
11. T2 Grades	−.06	.14^**	−.04	−.05	.01	.17^**	.27^**	.15^**	.21^**	.51^**	--
12. T1 Ext. symptoms	.18^**	.06	.20^**	.15^**	−.02	−.17^**	−.15^**	−.25^**	−.16^**	.17^**	−.25^**	--
13. T2 Ext. symptoms	.16^**	.09^*	.17^**	.28^**	.14^**	−.12^**	−.22^**	−.18^**	−.27^**	.10^*	−.29^**	.54^**	--
14. T1 Int. symptoms	.14^**	.21^**	.19^**	.13^**	.01	−.12^**	−.10^**	−.08^*	−.05	.16^**	−.10^*	.50^**	.25^**	--
15. T2 Int. symptoms	.18^**	.18^**	.10^*	24^**	−.04	−.08^*	−.13^**	−.10^**	−.06	.09^*	−.13^**	.32^**	.53^**	.45^**	--

Sample means	.16	0.0	2.00	2.10	4.44	4.38	4.22	4.64	4.43	3.21	3.44	5.11	5.77	16.10	13.23
Standard deviations	.41	3.18	.56	.59	.40	.56	.64	.42	.53	1.31	1.15	4.74	4.98	9.13	8.02

Note. Sample size ranges from 664 to 740 for variables; T1 = 5^th grade; T2 = 7^th grade; adol. = adolescent; fam. = familism; con. = conflict; eff. = efficacy; ext. = externalizing; int. = internalizing;

p < .05,

^**

p < .01,

^***

p < .001