Table 1.
Baseline Characteristics of the Study Population
| Variables | 600 IU/d | 2,000 IU/d | 4,000 IU/d | p |
|---|---|---|---|---|
| Age (y) | 58.0 ± 6.8 | 58.5 ± 5.3 | 57.2 ± 5.9 | .856 |
| BMI (kg/m2) | 29.2 ± 2.6 | 31.5 ± 4.3 | 29.0 ± 3.0 | .096 |
| YSM (y) | 7.6 ± 6.6 | 8.9 ± 8.4 | 5.4 ± 2.5 | .413 |
| Psychotropic meds/person* | 0.1 ± 0.3 | 0.1 ± 0.3 | 0.3 ± 0.6 | .408 |
| Drinks/week (n) | 1.2 ± 0.9 | 2.8 ± 3.5 | 2.0 ± 3.2 | .287 |
| Physical activity level | 2.1 ± 0.8 | 1.9 ± 0.8 | 2.0 ± 0.8 | .876 |
| Education (y) | 16.0 ± 0.0 | 15.7 ± 1.1 | 15.3 ± 2.8 | .553 |
| NART score (correct/61) | 50 ± 5 | 49 ± 6 | 46 ± 7 | .171 |
Notes: Values represent means ± SD (n = 42). BMI = body mass index; NART = National Adult Reading Test; YSM = years since menopause.
*Psychotropic medications (antidepressants/antianxiety): 600 (n = 1), 2,000 (n = 1), 4,000 (n = 2).