Table 1.

Seasonal Differences in Baseline Mean Serum 25(OH)D Levels

Baseline Serum 25(OH)D Levels
Team	Overall	Men’s Track/Field	Women’s Track/Field	Men’s Basketball	Women’s Basketball	Women’s Cross-Country	Women’s Soccer
August
N	112	11	18	14	13	25	31
Mean (ng/mL)	32.2	27.4	27.3	35.3	21.4	35.7	37.1
Std. Dev (ng/mL)	11.2	7.02	7.59	10.2	8.70	14.7	7.35
February
N	104	15	18	15	12	22	22
Mean (ng/mL)	31.9	25.2	27.1	30.3	49.7	31.2	32.5
Std. Dev (ng/mL)	12.4	10.6	11.3	8.16	8.16	14.7	6.73