. Author manuscript; available in PMC: 2021 Sep 19.

Published in final edited form as: Dev Psychobiol. 2018 Oct 30;61(2):159–178. doi: 10.1002/dev.21794

TABLE 5.

Correlations of independent measures

	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)
(1) Parent education in years
(2) Parental occupation level^a	0.78^*
(3) Household income in dollars	0.57^*	0.41^*
(4) Income-to-needs ratio	0.57^*	0.37^*	0.97^*
(5) HOME-SF cognitive enrichment	0.26^*	0.38^*	0.43^*	0.38^*
(6) HOME-SF routine	−0.18^*	−0.08	0.08	0.04	0.23^*
(7) HOME-SF parental closeness	0.21^*	0.10	0.24^*	0.22^*	0.33^*	0.01
(8) HOME-SF restrictive parenting	−0.31^*	−0.11	−0.22^*	−0.30^*	−0.06	0.17	0.01
(9) HOME-SF supportive parenting	0.06	−0.03	0.05	0.05	0.20^*	0.03	0.14	−0.16
(10) HOME-SF parental monitoring	0.01	0.18	0.08	0.12	0.25^*	0.06	0.12	−0.04	0.16
(11) LEC # negative life events	0.01	−0.08	0.02	0.04	−0.18^*	−0.07	0.18^*	0.04	−0.06	0.08
(12) Age	−0.03	−0.07	0.08	0.08	−0.22^*	0.09	−0.40^*	−0.05	−0.21^*	−0.08	0.12
(13) Woodcock–Johnson GIA	0.38^*	0.33^*	0.35^*	0.26^*	0.27^*	0.11	0.07	−0.16	0.03	−0.03	−0.19^*	0.03

Notes. GIA: General Intelligence Ability; HOME-SF, Home Observation for Measurement of the Environment-Short Form; LEC, Life Events Checklist.

Parent occupational level coded using O*Net ratings available through the US Department of Labor on a scale of 1–5.

p < 0.05;

^**

p < 0.01;

^***

p < 0.001.