Table 1 The description of daily sleep hours and CSHQ score stratified by age and gestational in preschoolers (n = 114,311)
From: Associations between gestational age and childhood sleep: a national retrospective cohort study
| Â | N, % | Daily sleep hours (means, SD) | CSHQ score (means, SD) |
|---|---|---|---|
Total | 114311, 100.00% | 10.715±2.693 | 46.706±7.576 |
 Very-preterm (<31W) | 2379, 2.08% | 10.409±3.135 | 48.380±8.787 |
 Moderate-preterm (32–33W) | 1893, 1.66% | 10.433±2.951 | 47.940±8.556 |
 Late-preterm (34–36W) | 10238, 8.96% | 10.505±2.885 | 47.340±8.137 |
 Early-term (37–38W) | 29179, 25.53% | 10.689±2.699 | 46.664±7.582 |
 Full-term (39–40W) | 58043, 50.78% | 10.780±2.616 | 46.464±7.355 |
 Late-term (41–41W) | 7016, 6.14% | 10.852±2.529 | 46.539±7.124 |
 Post-term (>41W) | 5563, 4.87% | 10.614±2.928 | 47.365±8.138 |
3 years old | 37823, 100.00% | 46.666±7.052 | 46.592±6.863 |
 Very-preterm (<31W) | 726, 1.92% | 10.339±3.231 | 48.906±8.893 |
 Moderate-preterm (32–33W) | 530, 1.40% | 10.432±2.97 | 48.502±8.75 |
 Late-preterm (34–36W) | 3022, 7.99% | 10.623±2.826 | 47.254±7.500 |
 Early-term (37–38W) | 9824, 25.97% | 10.802±2.639 | 46.846±7.293 |
 Full-term (39–40W) | 19647, 51.94% | 10.879±2.552 | 46.666±7.052 |
 Late-term (41–41W) | 2435, 6.44% | 10.851±2.499 | 47.689±7.942 |
 Post-term (>41W) | 1639, 4.33% | 10.664±2.853 | 46.846±7.293 |
4 years old | 43847, 100.00% | 10.708±2.685 | 46.781±7.545 |
 Very-preterm(<31W) | 938, 2.14% | 10.451±3.102 | 48.263±8.404 |
 Moderate-preterm (32–33W) | 768, 1.75% | 10.530±2.918 | 47.965±8.281 |
 Late-preterm (34–36W) | 3890, 8.87% | 10.530±2.857 | 47.511±8.096 |
 Early-term (37–38W) | 10997, 25.08% | 10.654±2.711 | 46.748±7.544 |
 Full-term (39–40W) | 22276, 50.80% | 10.766±2.609 | 46.493±7.303 |
 Late-term (41–41W) | 2779, 6.34% | 10.654±2.711 | 46.800±7.283 |
 Post-term (>41W) | 2199, 5.02% | 10.885±2.459 | 47.514±8.343 |
5 years old | 32641, 100.00% | 10.615±2.768 | 46.422±7.968 |
 Very-preterm (<31W) | 715, 2.19% | 10.424±3.082 | 48.000±9.152 |
 Moderate-preterm (32–33W) | 595, 1.82% | 10.308±2.975 | 47.398±8.711 |
 Late-preterm (34–36W) | 3326, 10.19% | 10.368±2.965 | 47.222±8.720 |
 Early-term (37–38W) | 8358, 25.61% | 10.604±2.748 | 46.339±7.948 |
 Full-term (39–40W) | 16120, 49.39% | 10.678±2.699 | 46.177±7.770 |
 Late-term (41–41W) | 1802, 5.52% | 10.802±2.673 | 46.065±7.203 |
 Post-term (>41W) | 1725, 5.28% | 10.534±2.953 | 46.957±8.124 |