. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: Child Dev. 2017 Jan 27;89(2):e42–e59. doi: 10.1111/cdev.12717

Table 5. Summary of Regression Analyses with Subscales of Externalizing and Internalizing Behaviors (Sleep Midpoint).

	Attention Problems ^a		Aggressive Behaviors ^a		Emotional Reactivity ^a		Anxiety / Depression ^a		Withdrawal ^a		Somatic Complaints ^a

Variable	B (S.E.)	β	B (S.E.)	β	B (S.E.)	β	B (S.E.)	β	B (S.E.)	β	B (S.E.)	β
Constant	2.26 (0.26)^***	-	7.09 (0.53)^***	-	1.82 (0.15)^***	-	1.61 (0.14)^***	-	1.17 (0.12)^***	-	1.54 (0.16)^***	-
Gender	-0.90 (0.36)^*	-0.22	-	-	-	-	-	-	-	-	-	-
Household Income ^a	-	-	-	-	-	-	-0.12 (0.08)	-0.11	-	-	-	-
Temperamental Negative Affect ^a	0.50 (0.19)^**	0.25	2.59 (0.54)^***	0.42	0.92 (0.16)^***	0.49	1.05 (0.15)^***	0.52	0.55 (0.12)^***	0.40	0.38 (0.16)^*	0.23
Sleep Midpoint (decimalized time) ^b	0.10 (0.25)	0.04	-0.39 (0.73)	-0.05	-0.40 (0.21)^†	-0.16	0.34 (0.20)^†	0.13	-0.04 (0.16)	-0.02	-0.25 (0.22)	-0.11
Temperamental Negative Affect * Sleep Midpoint	0.27 (0.23)	0.11	1.13 (0.66)	0.14	0.41 (0.19)^*	0.17	0.70 (0.18)^***	0.27	0.32 (0.15)^*	0.19	0.26 (0.20)	0.12
R²	0.12^**		0.20^***		0.27^***		0.50^***		0.20^***		0.07^*
ΔR²	0.01		0.02		0.03^*		0.07^***		0.03^*		0.02

Note: Results presented from final model. B = Unstandardized Regression Coefficient; S.E. = Standard Error; β = Standardized Regression Coefficient; R² = Model Fit; ΔR² = Change in Model Fit

Caregiver Reported Questionnaire Data;

Actigraphy Data

^†

p < 0.08;

p < 0.05;

^**

p < 0.01;

^***

p < 0.001