Table 1.

Selected characteristics of the 12 male subjects, pre- and post-intervention.

Measure, Unit	Mean ± SD	Range
Age, year	23 ± 3	20–30
Height, cm	182 ± 6	174–194
Weight, kg
Pre-intervention	76 ± 7	60–89
Post-intervention	77 ± 7	59–88
BMI, kg/cm2
Pre-intervention	23 ± 2	19–27
Post-intervention	23 ± 3	19–28
Dietary vitamin D *, µg/day	1.1 ± 0.4	0.5–1.5
Dietary calcium *, mg/day	806 ± 361	431–1411

* Each subject filled-out the FFQ for vitamin D and calcium three times during the intervention. The values represent the mean and SD for the 12 subjects. The pooled SD within the subjects was 0.2 vitD/day and 285 mg calcium/day.