Table 1.
Means, Standard Deviations and t-scores
| Gender | Pubertal Status | Chronotype | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||||||
| Variable | Male (n=111) | Female (n=144) |
t- score |
df | p- value |
Prepubertal (n=100) |
Postpubertal (n=148) |
t- score |
df | p- value |
Morning Type |
Intermediate Type |
Evening Type |
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|
|
|
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| Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||||||||||
|
| |||||||||||||||||
| Chronotype | 27.42 | 5.11 | 26.45 | 5.57 | −1.43 | 253 | 0.153 | 28.13 | 5.13 | 25.74 | 5.28 | 3.54 | 246 | <.001 | - | - | - |
| Age | 14.89 | 2.28 | 15.14 | 2.33 | 0.85 | 253 | 0.398 | 13.74 | 1.89 | 15.96 | 2.14 | −8.38 | 246 | <.001 | 14.12 | 15.2 | 15.54 |
| Average CDI across 36mo | 3.49 | 2.79 | 4.5 | 3.92 | 2.3 | 253 | 0.022 | 3.33 | 2.6 | 4.61 | 3.98 | −2.84 | 246 | 0.005 | 2.87 | 3.83 | 6.58 |
| CDI at 48mo | 3.4 | 4.12 | 4.57 | 6.53 | 1.41 | 183 | 0.003 | 3.34 | 4.09 | 4.59 | 6.3 | −1.49 | 178 | 0.001 | 3.26 | 3.3 | 6.66 |
Chronotype (low score – Evening Preference)
Age at 36-month timepoint
CDI (Children’s Depression Inventory; low score – low depression symptoms)