. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: J Abnorm Child Psychol. 2014 Oct;42(7):1175–1185. doi: 10.1007/s10802-014-9863-z

Table 1.

Correlations among Study Variables

	1.	2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	12.
1. Parent- child verbal conflict T1	-
2. Parent- child physical conflict T1	.64^***	-
3. Sleep minutes T1	−.07	.01	-
4. Sleep efficiency T1	−.02	−.02	.69^***	-
5. Long wake episodes T1	.05	−.05	−.62^***	−.88^***	-
6. Sleep minutes T2	.06	.01	.35^***	.26^***	−.28^***	-
7. Sleep efficiency T2	−.04	.05	.24^***	.39^***	−.40^***	.60^***	-
8. Long wake episodes T2	−.08	.01	−.23^***	−.38^***	.43^***	−.64^***	−.90^***	-
9. Internalizing symptoms T2	.01	−.01	−.18^**	−.15^*	.16^*	−.14^*	−.15^*	.07	-
10. Externalizing symptoms T2	.14^*	.14^*	−.14^*	−.21^**	.20^**	−.04	−.04	.05	.56^***	-
11. Internalizing symptoms T3	.02	−.03	−.16^*	−.18^*	.25^***	−.06	−.15^*	.15^*	.73^***	.51^***	-
12. Externalizing symptoms T3	.02	.03	−.04	−.19^*	.18^*	−.01	.05	.16 ^*	.43^***	.79^***	.61^***	-

M	3.13	3.47	456 min	88.27	3.58	444 min	88.38	3.47	4.42	5.08	4.04	4.53
SD	3.78	4.61	58 min	7.60	2.13	48 min	7.29	2.29	3.88	4.39	3.74	4.12

Note. T1 = data collected at Time 1; T2 = data collected at Time 2; T3 = data collected at Time 3. For average sleep minutes at T1, 456 min translates into 7 hrs and 36 min. Similarly, for sleep minutes at T2, 444 min translates into 7 hrs and 24 min.

p < .05;

^**

p < .01;

^***

p < .001