Table 2 Associations between genetic evidence of dysfunction in cerebral cortex development and sleep duration in different age groups
Phenotype Variable | β†| SE | t-statistic | p-value |
|---|---|---|---|---|
Preschool Age Children (n = 396) | ||||
  Sleep Duration (240–780 min) | 2.32 × 10–5 | 1.15 × 10–5 | 2.01 | 4.47 × 10–2 |
  Full Scale IQ (range = 19–150) | -1.13 × 10–5 | 3.36 × 10–5 | -0.34 | 7.36 × 10–1 |
  Age (range = 4–5 years) | -1.15 × 10–4 | 1.61 × 10–4 | -0.71 | 4.76 × 10–1 |
  Male Sex (n = 339) | -4.34 × 10–4 | 2.47 × 10–3 | -0.18 | 8.60 × 10–1 |
Primary School-Age Children (n = 1,467) | ||||
  Sleep Duration (240–720 min) | 1.88 × 10–6 | 6.71 × 10–6 | 0.28 | 7.79 × 10–1 |
  Full Scale IQ (range = 10–165) | 6.46 × 10–6 | 1.70 × 10–5 | 0.38 | 7.04 × 10–1 |
  Age (range = 6–12 years) | -4.02 × 10–5 | 2.02 × 10–5 | -1.99 | 4.72 × 10–2 |
  Male Sex (n = 1,273) | -5.30 × 10–4 | 1.34 × 10–3 | -0.40 | 6.93 × 10–1 |
Secondary School-Age Teenagers (n = 425) | ||||
  Sleep Duration (210–720 min) | 4.71 × 10–5 | 1.66 × 10–5 | 2.85 | 4.65 × 10–3 |
  Full Scale IQ (range = 7–161) | -5.13 × 10–5 | 3.47 × 10–5 | -1.48 | 1.39 × 10–1 |
  Age (range = 13–18 years old) | 1.28 × 10–4 | 5.83 × 10–5 | 2.19 | 2.90 × 10–2 |
  Male Sex (n = 362) | -5.59 × 10–3 | 3.01 × 10–3 | -1.86 | 6.40 × 10–2 |