Table 2.
Estimates From Logistic Regression Models Predicting Mother Low Sleep (< 7 hours, N = 1,815)
| Variable (reference category) | Model 1 | Model 2 | ||
|---|---|---|---|---|
| eB | SE | eB | SE | |
| Mother’s work hours (1–19 hours/week) | ||||
| 20–34 hours/week | 1.44a | 0.32 | 1.47 | 0.36 |
| 35–40 hours/week | 1.58* | 0.33 | 1.88** | 0.43 |
| 41+ hours/week | 1.99** | 0.45 | 2.02** | 0.51 |
| Nonstandard schedule (standard schedule) | 1.25* | 0.13 | 1.22 | 0.15 |
| One adult in the household | 1.51 | 0.90 | ||
| One adult × 20–34 hours | 0.82 | 0.51 | ||
| One adult × 35–40 hours | 0.48 | 0.28 | ||
| One adult × 41+ hours | 0.78 | 0.48 | ||
| One adult × nonstandard schedule | 1.08 | 0.24 | ||
| Mother’s race/ethnicity (White) | ||||
| Black | 1.37* | 0.19 | 1.37* | 0.19 |
| Hispanic | 0.96 | 0.16 | 0.95 | 0.15 |
| Other | 1.20 | 0.38 | 1.15 | 0.36 |
| Mother’s age | 1.00 | 0.02 | 1.00 | 0.01 |
| Mother’s education (college or more education) | ||||
| Less than high school | 1.17 | 0.25 | 1.17 | 0.25 |
| High school/GED | 1.33 | 0.26 | 1.33 | 0.26 |
| Some college/tech school | 1.46* | 0.25 | 1.45* | 0.25 |
| Mother on welfare in past year | 1.10 | 0.18 | 1.14 | 0.19 |
| Mother’s WAIS–R | 1.04 | 0.02 | 1.04 | 0.02 |
| Father’s age at baseline interview | 0.99 | 0.01 | 0.99 | 0.01 |
| Father’s education at baseline interview (college or more education) | ||||
| Less than high school | 1.01 | 0.24 | 1.03 | 0.24 |
| High school/GED | 1.04 | 0.23 | 1.05 | 0.22 |
| Some college/tech school | 1.23 | 0.26 | 1.23 | 0.25 |
| Mother’s relationship status (not married/cohabiting) | ||||
| Married to child’s biological father | 0.96 | 0.13 | ||
| Married to partner (not biological father) | 1.19 | 0.32 | ||
| Cohabits with child’s biological father | 1.01 | 0.16 | ||
| Cohabits with partner (not biological father) | 1.55** | 0.26 | ||
| Number of kids < age 18 in household | 1.17*** | 0.05 | 1.17*** | 0.05 |
| Child is male | 0.91 | 0.09 | 0.91 | 0.09 |
| Child’s age (in months) | 0.98 | 0.02 | 0.98 | 0.02 |
| Child low birth weight | 1.07 | 0.19 | 1.08 | 0.19 |
| Child physical disability | 0.89 | 0.34 | 0.91 | 0.34 |
| Year 3 household income (thousands) | 1.00 | 0.00 | 1.00 | 0.00 |
| Mother’s depressive symptoms (Year 3) | 1.15 | 0.17 | 1.15 | 0.17 |
| Constant | 0.75 | 0.98 | 0.80 | 1.04 |
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.
a
Statistically significant difference vs. 41+ hours (p < .05).
*
p < .05.
**
p < .01.
***
p < .001.