Table A1.

Summary of Supplementary Analyses Predicting Mother’s Sleep

Variable (reference category)	Mother’s sleep deficita		Mother’s hours of sleep (continuous)		Mother’s hours of sleep (continuous)		Mother low sleepb
	B	SE	B	SE	B	SE	eB	SE
Mother’s work hours (1–19 hours/week)
20–34 hours/week	0.11	0.10	−0.17	0.15			1.44	0.32
35–40 hours/week	0.14	0.09	−0.28*	0.14			1.54*	0.33
41+ hours/week	0.31**	0.11	−0.43**	0.16			1.95**	0.45
Work hours (continuous)					−0.01**	0.00
Mother’s work schedule (standard schedule)
Nonstandard schedule	0.16***	0.05	−0.21**	0.07			1.26*	0.13

Note: Data are from the Fragile Families Child and Wellbeing Study. All models adjust for mother’s race, mother’s age, mother’s education, welfare receipt in the past year, mother’s cognitive test scores, mother’s depressive symptoms, father’s age, father’s education, mother’s relationship status, number of kids under age 18 in the household, child’s sex, child’s age, child low birth weight, child physical disability, and Year 3 household income.

^aThe number of hours less than the recommended 7 hours of sleep.

^bThis model excludes children with physical disabilities (2% of the sample).

^*p < .05.

^**p < .01.

^***p < .001.