Skip to main content

View full-text article in PMC

. Author manuscript; available in PMC: 2020 Nov 1.

Published in final edited form as: Dev Psychopathol. 2020 May;32(2):545–558. doi: 10.1017/S0954579419000373

Table 1.

Descriptive statistics and correlations among study variables

				CR	EC	EC	EC	EC	DC	DC	DC	DC
	M	SD	INC	T1	T1	T2	T3	T4	T1	T2	T3	T4	Academic readiness	Social comp.	Total problems
Child gender^a,b	–	–	−.06	−.01	−.09	−.13^*	−.11^*	−.10	−.04	−.06	−.04	−.13^*	−.10	−.19^*	.18^*
Family income	8.75	3.93	–	−.59^*	.19^*	.24^*	.24^*	.24^*	.11	.00	.11	.19^*	.22^*	.17^*	−.27^*
CR T1	0.90	0.81		–	−.16^*	−.21^*	−.25^*	−.21^*	−.16^*	−.06	−.14^*	−.25^*	−.22^*	−.21^*	.27^*
EC T1	0.29	0.15			–	.50^*	.53^*	.42^*	.00	.13^*	.05	.10	.29^*	.18^*	−.10
EC T2	0.49	0.20				–	.61^*	.48^*	.04	.05	.05	.18^*	.41^*	.21^*	−.22^*
EC T3	0.68	0.17					–	.65^*	.05	.14^*	.08	.15^*	.52^*	.25^*	−.24^*
EC T4	0.79	0.15						–	.03	.15^*	.14^*	.18^*	.54^*	.30^*	−.25^*
DC T1	0.08	0.27							–	.16^*	.16^*	.27^*	.18^*	.10	−.08
DC T2	0.04	0.27								–	.17^*	.24^*	.20^*	.12	−.05
DC T3	0.00	0.28									–	.26^*	.12	.05	−.09
DC T4	0.04	0.37										–	.10	.15^*	−.18^*

Note:

^a

Child gender coded 0 = girl, 1 = boy.

^b

Point biserial correlations are reported for dichotomous variables.

INC, income. T1–T4, Time 1–Time 4. CR, cumulative risk. EC, executive control. DC, diurnal cortisol.

^*

p < .05.