Table 4.
Linear regression predicting sleep duration in hours
| Variables | B(SE) | ||||
|---|---|---|---|---|---|
| All (Pre-K-8th) | All (1st-8th) | Pre-K-5th | 1st-5th | ||
| Intercept | 10.68 (0.30)*** | 10.75 (0.32)*** | 10.52 (0.34)*** | 10.58 (0.37)*** | |
| Sociodemographic Characteristics | Asian (ref: White) | −0.38 (0.12)** | −0.41 (0.12)** | −0.39 (0.13)** | −0.43 (0.13)** |
| Black (ref: White) | −0.28 (0.08)*** | −0.29 (0.08)*** | −0.30 (0.08)*** | −0.32 (0.08)*** | |
| Latino (ref: White) | −0.24 (0.08)** | −0.26 (0.08)** | −0.21 (0.08)** | −0.23 (0.08)** | |
| Child age | −0.12 (0.01)*** | −0.12 (0.02)*** | −0.09 (0.02)*** | −0.09 (0.02)*** | |
| Child sex/gender | −0.03 (0.06) | −0.05 (0.06) | −0.01 (0.06) | −0.03 (0.06) | |
| Child nativity | −0.08 (0.09) | −0.09 (0.09) | −0.08 (0.09) | −0.10 (0.09) | |
| Parent nativity | 0.01 (0.06) | −0.00 (0.07) | −0.01 (0.07) | 0.02 (0.07) | |
| Family SES | −0.03 (0.02) | −0.03 (0.02) | −0.02 (0.02) | −0.02 (0.02) | |
| School type | −0.02 (0.07) | −0.02 (0.07) | −0.06 (0.07) | −0.06 (0.07) | |
| Environmental Correlates | Crowding | −0.05 (0.07) | −0.02 (0.08) | 0.00 (0.08) | 0.04 (0.09) |
| Smoker in the home | 0.14 (0.09) | 0.20 (0.09)* | 0.13 (0.10) | 0.21 (0.10)* | |
| Covariates | Sleep through the night | 0.06 (0.07) | 0.02 (0.07) | 0.05 (0.08) | 0.01 (0.08) |
| Regular bedtime | 0.68 (0.17)*** | 0.65 (0.17)*** | 0.57 (0.19)** | 0.52 (0.19)** | |
| Media use (1 hr; ref: 0 or < 1 hr) | −0.10 (0.12) | −0.08 (0.12) | −0.10 (0.12) | −0.08 (0.12) | |
| Media use (2–3 h) | −0.23 (0.10)* | −0.23 (0.10)* | −0.25 (0.11)* | −0.26 (0.11)* | |
| Media use (4 h or more) | −0.39 (0.10)*** | −0.38 (0.11)*** | −0.38 (0.11)*** | −0.38 (0.11)** | |
| Physical activity | 0.02 (0.02) | 0.02 (0.02) | 0.02 (0.02) | 0.02 (0.02) | |
| Health history | −0.07 (0.09) | −0.08 (0.09) | −0.16 (0.09) | −0.18 (0.09)* | |
| Asthma | −0.08 (0.07) | −0.06 (0.07) | −0.10 (0.08) | −0.09 (0.08) | |
| Early intervention | 0.05 (0.07) | 0.08 (0.07) | 0.05 (0.07) | 0.07 (0.07) | |
| Adult health (fair/poor; ref: excellent) | −0.05 (0.12) | −0.06 (0.12) | 0.01 (0.13) | 0.01 (0.13) | |
| Adult health (good) | 0.11 (0.09) | 0.11 (0.09) | 0.15 (0.09) | 0.16 (0.09) | |
| Adult health (very good) | 0.12 (0.09) | 0.12 (0.09) | 0.21 (0.09)* | 0.20 (0.10)* | |
| # of observations | 1101 | 1037 | 858 | 794 | |
| R-squared | 0.22 | 0.21 | 0.19 | 0.19 | |
Notes.
*
p<0.05.
**
p<0.01.
***
p<0.001.