Table 3.
Associations of racial discrimination score with infant sleep duration (weighted average 6 months to 2 years, minutes/day and separately at each timepoint)
| Model | Racial Discrimination Score | ||
|---|---|---|---|
| 0 | 1 to 2 | ≥3 | |
| Minutes/day (95% CI) | |||
| Weighted avg. 6 months - 2 years | |||
| Model 1. Unadjusted | 0.0 (ref) | −9.9 (−27.8, 7.9) | −18.6 (−37.3, 0.0) |
| Model 2. Adjusted for race/ethnicity and nativity | 0.0 (ref) | −7.0 (−25.4, 11.4) | −13.6 (−33.7, 6.5) |
| Model 3. Model 2 + potential mediators | 0.0 (ref) | −5.6 (−24.0, 12.8) | −13.9 (−34.1, 6.3) |
| 6 months | |||
| Model 1. Unadjusted | 0.0 (ref) | −38.8 (−71.3, −6.3) | −51.0 (−84.0,−18.0) |
| Model 2. Adjusted for race/ethnicity and nativity | 0.0 (ref) | −38.4 (−72.3, −4.6) | −49.3 (−85.3,−13.2) |
| Model 3. Model 2 + potential mediators | 0.0 (ref) | −37.5 (−71.9, −3.2) | −51.0 (−87.9,−14.1) |
| 1 year | |||
| Model 1. Unadjusted | 0.0 (ref) | 4.9 (−25.8, 35.5) | −18.2 (−50.4, 14.1) |
| Model 2. Adjusted for race/ethnicity and nativity | 0.0 (ref) | 7.9 (−23.3, 39.1) | −13.5 (−47.2, 20.3) |
| Model 3. Model 2 + potential mediators | 0.0 (ref) | 9.3 (−21.9, 40.6) | −13.9 (−48.4, 20.6) |
| 2 years | |||
| Model 1. Unadjusted | 0.0 (ref) | −2.9 (−25.3, 19.4) | −2.7 (−26.8, 21.3) |
| Model 2. Adjusted for race/ethnicity and nativity | 0.0 (ref) | 1.2 (−21.7, 24.2) | 4.2 (−21.5, 29.9) |
| Model 3. Model 2 + potential mediators | 0.0 (ref) | 2.0 (−21.1, 25.1) | 3.6 (−22.2, 29.4) |
Potential mediators in Model 3: maternal education, household income, pre-pregnancy BMI, pregnancy smoking status, and urbanicity.