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| Activities | Vitamin D (ng/mL) | p-value | |
|---|---|---|---|
| n | Mean (SD) | ||
| Indoor | 143 | 29.4 (9.68) | 0.034 |
| Outdoor | 413 | 31.4 (9.35) | |
| Total | 556 | 30.9 (9.51) | |
*ANCOVA test (variable adjusted for age, sex, race/color, and seasons): p-value significant when ≤0.05 (indicated in bold). Activities: indoor (judo and music) and outdoor (swimming, athletics, sports initiation, and soccer).
