Table 1.
Descriptive statistics for subjects included to screening (N = 238).
| Serum 25-OH-VitD Concentration Avg ± SD (nmol/L) | Number of Subjects in Screening Phase N (%) | |||||
|---|---|---|---|---|---|---|
| All Subjects | <30 nmol/L a | 30 to <50 nmol/L a,b | 50 to <75 nmol/L a | ≥75 nmol/L a | ||
| All subjects | 44.0 ± 17.0 | 238 (100%) | 49 (21%) | 107 (45%) | 74 (31%) | 8 (3%) |
| Gender: | ||||||
| Male | 44.3 ± 16.0 | 117 (49%) | 21 (18%) | 59 (50%) | 33 (28%) | 4 (3%) |
| Female | 43.8 ± 18.0 | 121 (51%) | 28 (23%) | 48 (40%) | 41 (34%) | 4 (3%) |
| Age: | ||||||
| 18–29 | 44.3 ± 17.0 | 74 (31%) | 14 (19%) | 34 (46%) | 24 (32%) | 2 (1%) |
| 30–44 | 44.0 ± 15.5 | 92 (39%) | 16 (17%) | 44 (48%) | 31 (34%) | 1 (1%) |
| ≥45 | 43.5 ± 19.3 | 72 (30%) | 19 (26%) | 29 (40%) | 19 (26%) | 5 (7%) |
Notes: a wintertime serum 25-OH-VitD concentration (at time of screening); b 107 subjects (with serum 25-OH-VitD concentration from 30 to up 50 nmol/L) meet study inclusion criteria.