Profile | Intervention group (n=105) | Control group (n=105) | P value* |
Demography | |||
Age (years) | 68.02±5.90 | 67.53±5.15 | 0.526 |
Female | 58 (55.24%) | 61 (58.10%) | 0.676 |
Total education (years) | 9.29±2.70 | 9.68±2.53 | 0.281 |
Lifestyle | |||
Smoker | 95 (90.48%) | 90 (85.17%) | 0.287 |
Drinker | 6 (5.71%) | 13 (12.38%) | 0.092 |
BMI | 24.58±3.39 | 25.34±2.67 | 0.074 |
Adequate sleep | 80 (76.19%) | 82 (78.10%) | 0.742 |
Medical history | |||
Family history of AD | 30 (28.57%) | 20 (19.05%) | 0.105 |
Biochemical measures | |||
25-D (ng/mL) | 18.82±2.91 | 19.44±2.81 | 0.115 |
1,25-D (ng/mL) | 30.37±2.60 | 30.22±2.67 | 0.692 |
ADL | 13.25±1.71 | 13.343±2.12 | 0.720 |
MMSE | 12.76±1.93 | 12.46±1.79 | 0.238 |
Results are shown as n (%) for χ2 test and mean±SD for independent t-test (two-tailed).
*p<0.05 significant difference between groups.
1, 25-D, 1,25-dihydroxy vitamin D;AD, Alzheimer’s disease; ADL, Activity of Daily Living Scale;BMI, body mass index; 25-D, 25-hydroxy vitamin D; MMSE, Mini-Mental State Examination.