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. Author manuscript; available in PMC: 2010 Sep 3.

Published in final edited form as: J Abnorm Child Psychol. 2009 Apr;37(3):415–429. doi: 10.1007/s10802-008-9280-2

Table 2.

Correlations among Measures of Family Income and Family Covariates

	1		2		3		4		5		6		7		8
Measures	r	N	r	N	r	N	r	N	r	N	r	N	r	N	r	N
1. Family Income (Offspring Age 0–11)	-	-
2. Family Income (Maternal Age 30)	.70^*	9001	-	-
3. Family Income (Maternal Age 30–40)	.74^*	8825	.79^*	3735	-	-
4. Cognitive Ability	.52^*	8795	.47^*	3732	.51^*	3618	-	-
5. Years of education	.45^*	9195	.39^*	3885	.44^*	3772	.55^*	3863	-	-
6. Adolescent Delinquency	−.12^*	8735	−.12^*	3706	−.12^*	3593	−.08^*	3753	−.09^*	3845	-	-
7. Age at First Childbirth	.44^*	9010	.34^*	3809	.36^*	3696	.41^*	3833	.45^*	3950	−.07^*	3801	-	-
8. Alcohol Abuse/Depend.	−.01	8272	−.01	3441	.00	3451	.07^*	3350	−.02	3491	.13^*	3327	.03	3421	-	-

Note:

^*

p<.05. Sample sizes for family-level variables are based on unique mothers, which is smaller than the number of offspring.

See note for Table 1 for a description of the measures. See note on Table 1 (and the text) for a description of the measures.

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