Table 1.

Descriptive Characteristics of the Sample of Employed Mothers Who Completed the Year 5 In-Home Interview

Characteristic	n	M/%	SD
Mother employed in any nonstandard schedule	1,818	0.55
Mother’s work hours
1–19 hours/week	1,818	0.07
20–34 hours /week	1,818	0.21
35–40 hours/week	1,818	0.53
41+ hours/week	1,818	0.19
Mother’s race
White	1,818	0.21
Black	1,818	0.52
Hispanic	1,818	0.24
Other	1,818	0.03
Mother’s age	1,818	30.31	5.94
Mother’s education
Less than high school	1,818	0.20
High school/GED	1,818	0.26
Some college/tech school	1,818	0.39
College or more education	1,818	0.15
Welfare receipt past 12 months	1,818	0.11
Mother’s WAIS–R	1,818	6.99	2.54
Father’s age (at baseline interview)	1,818	27.56	6.91
Father’s education (at baseline interview)
Less than high school	1,818	0.29
High school/GED	1,818	0.37
Some college/tech school	1,818	0.23
College or more education	1,818	0.11
Mother’s relationship status
Not married or cohabiting	1,818	0.41
Married to child’s biological father	1,818	0.31
Married to partner (not biological father)	1,818	0.04
Cohabits with child’s biological father	1,818	0.13
Cohabits with partner (not biological father)	1,818	0.11
Number of kids < age18 in household	1,818	2.42	1.28
Child is male	1,818	0.51
Child’s age in months	1,818	61.31	2.45
Child had low birth weight	1,818	0.09
Child has physical disability	1,818	0.02
Year 3 household income (in thousands)	1,818	38.43	40.33
Mother’s depressive symptoms (Year 3)	1,818	0.13
Child low sleep (< 10 hours)	1,814	0.52
Mother low sleep (< 7 hours)	1,815	0.51

Note: Data are from the Fragile Families Child and Wellbeing Study. All variables were measured when the child was age 5, unless otherwise noted. WAIS–R = Wechsler Adult Intelligence Scale—Revised.