Table 3.
Multivariate association between environmental exposures and sleep duration in the Children’s Health Study stratified by maternal education.
| Low maternal education | High maternal education | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Main analyses* | Further adjusted for stress* | % mediated | Main analyses* | Further adjusted for stress* | % mediated | |||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |||
| Environmental exposure (IQR) | ||||||||||
| Greenspace (0.058 EVI) | 0.77 | (0.60, 0.98) | 0.81 | (0.63, 1.03) | 18.4% | 1.16 | (0.80, 1.70) | 1.14 | (0.78, 1.68) | 1.2% |
| Light at night (1.64 mcd/m2) | 1.28 | (0.83, 1.96) | 1.29 | (0.83, 1.99) | 6.2% | 1.59 | (0.72, 3.51) | 1.53 | (0.68, 3.46) | 9.6% |
| Nighttime noise (10.6 dB) | 0.83 | (0.65, 1.06) | 0.81 | (0.64, 1.04) | 3.1% | 1.69 | (1.09, 2.65) | 1.79 | (1.13, 2.84) | 0.3% |
| Freeway NOx (10.5 ppb) | 1.04 | (0.91, 1.18) | 1.04 | (0.91, 1.19) | 0.1% | 0.75 | (0.50, 1.13) | 0.71 | (0.46, 1.08) | 10.7% |
| Regional PM2.5 (1.80 μg/m3) | 0.98 | (0.61, 1.57) | 0.92 | (0.57, 1.49) | 1.5% | 0.77 | (0.36, 1.66) | 0.69 | (0.31, 1.53) | 12.3% |
| Sex | ||||||||||
| Female | Reference | Reference | Reference | Reference | ||||||
| Male | 0.90 | (0.69, 1.18) | 0.97 | (0.74, 1.28) | 0.76 | (0.48, 1.22) | 0.87 | (0.53, 1.41) | ||
| Age | 1.14 | (0.91, 1.44) | 1.17 | (0.93, 1.47) | 1.53 | (1.05, 2.23) | 1.45 | (0.98, 2.14) | ||
| Exposed to secondhand smoke | ||||||||||
| No | Reference | Reference | Reference | Reference | ||||||
| Yes | 1.65 | (0.68, 3.98) | 1.59 | (0.65, 3.91) | 3.79 | (1.31, 10.93) | 2.36 | (0.78, 7.21) | ||
| Stress | 1.13 | (1.08, 1.19) | 1.17 | (1.08, 1.27) | ||||||
*Odds ratio reported per IQR and represent odds of sleeping less than the recommended 8 hours each night, adjusted for variables listed, race/ethnicity, and CHS community.