Table 1. Number of genotyped participants with each outcome measure.
| Time point | Outcome measure | N 1 | Percentage
female |
Mean age
(SD) |
Mean outcome
measure or percentage |
|---|---|---|---|---|---|
| Children | |||||
| 4 years 9 months | Sleep duration | 6058 | 48.6% | 4.78 (0.10) | 11.39 (0.71) |
| 5 years 9 months | Sleep duration | 5641 | 48.9% | 5.80 (0.11) | 11.29 (0.69) |
| 6 years 9 months | Sleep duration | 5534 | 48.9% | 6.78 (0.11) | 11.14 (0.66) |
| 9 years 7 months | Sleep duration | 5735 | 49.4% | 9.65 (0.12) | 10.44 (0.66) |
| 11 years 8 months | Sleep duration | 5170 | 50.2% | 11.72 (0.13) | 9.80 (0.71) |
| 12 years | Nightmares | 5121 | 51.1% | 12.81 (0.23) | Absent = 74.97%,
Suspected = 8.87%, Present = 16.17% |
| Mothers | |||||
| Average age of 40 years 6 months | Sleep duration | 4906 | 100% | 40.48 (4.53) | 7.37 (0.99) |
1The number of participants with both phenotype and genotype data available