Table 2.
Sample description (n = 1103).
| Variable | Mean or % | 95% CI |
|---|---|---|
| Parent | ||
| Age (y) | 42.4 | 41.6–43.2 |
| Female (vs male) | 54.5% | 50.4%–58.4% |
| Married (vs nonmarried) | 77.4% | 73.6%–80.8% |
| Race/ethnicity | ||
| Non-Hispanic white | 55.5% | 51.3%–59.6% |
| Non-Hispanic black | 11.8% | 9.1%–15.0% |
| Hispanic | 23.5% | 20.1%–27.3% |
| Other | 9.2% | 6.7%–12.6% |
| Education | ||
| HS diploma or less | 37.9% | 33.8%–42.1% |
| Some college/Associates degree | 29.6% | 26.0%–33.5% |
| Bachelor's degree | 16.8% | 14.4%–19.5% |
| Postgraduate degree | 15.8% | 13.4%–18.6% |
| Proportion of parents who sometimes leave technology on in bedroom | 54.5% | 50.5%–58.6% |
| Child | ||
| Age (y) | 11.4 | 11.1–11.7 |
| Female (vs male) | 48.8% | 44.8%–52.9% |
| Sleep duration on school days (h) | 8.2 | 8.1–8.3 |
| Sleep duration on non-school days (h) | 9.0 | 8.9–9.2 |
| Sleep duration average across week (h) | 8.4 | 8.3–8.6 |
| Estimated sleep need (h) | 8.7 | 8.6–8.8 |
| Sufficient sleep duration (%) | 60.0% | 56.0%–63.9% |
| Excellent sleep quality (%) | 42.9% | 38.9%–46.9% |
| Proportion of children who sometimes leave technology on in bedroom | 42.6% | 38.7%–46.6% |
| Proportion whose parents always enforce rules about caffeine use | 43.8% | 39.8%–47.8% |
| Proportion whose parents always enforce rules about bedtime | 24.5% | 21.1%–28.1% |
| Children aged 6–11 y | ||
| Sleep duration on school days (h) | 8.9 | 8.8–9.0 |
| Sleep duration on non-school days (h) | 9.2 | 9.1–9.3 |
| Sleep duration average across week (h) | 9.0 | 8.9–9.1 |
| Estimated sleep need (h) | 9.1 | 9.0–9.3 |
| Sufficient sleep duration (%) | 63.3% | 57.7%–68.5% |
| Excellent sleep quality (%) | 47.2% | 41.5%–52.9% |
| Proportion of children who sometimes leave technology on in bedroom | 28.4% | 23.7%–33.5% |
| Proportion whose parents always enforce rules about caffeine use | 57.8% | 52.0%–63.3% |
| Proportion whose parents always enforce rules about bedtime | 30.7% | 25.7%–36.2% |
| Children aged 12–17 y | ||
| Sleep duration on school days (h) | 7.5 | 7.4–7.7 |
| Sleep duration on nonschool days (h) | 8.9 | 8.6–9.1 |
| Sleep duration average across week (h) | 7.9 | 7.7–8.1 |
| Estimated sleep need (h) | 8.3 | 8.2–8.5 |
| Sufficient sleep duration (%) | 56.7% | 50.9%–62.4% |
| Excellent sleep quality (%) | 38.5% | 33.0%–44.2% |
| Proportion of children who sometimes leave technology on in bedroom | 57.0% | 51.2%–62.6% |
| Proportion whose parents always enforce rules about caffeine use | 29.7% | 24.8%–35.1% |
| Proportion whose parents always enforce rules about bedtime | 18.2% | 14.1%–23.1% |
All values are weighted to be nationally representative.