Table 1.
Sample characteristics for entire cohort and by treatment allocation at baseline.
| Whole Sample | Active | Placebo | ||||||
|---|---|---|---|---|---|---|---|---|
| n | M | SD | M | SD | M | SD | p | |
| Age | 141 | 52.84 | 6.87 | 53.02 | 6.78 | 52.67 | 7.01 | 0.763 |
| MMSE | 141 | 29.31 | 0.95 | 29.30 | 0.97 | 29.34 | 0.94 | 0.813 |
| Education years | 141 | 16.94 | 3.36 | 17.23 | 3.75 | 16.66 | 2.93 | 0.319 |
| BMI | 141 | 27.26 | 5.22 | 28.19 | 5.59 | 26.35 | 4.67 | 0.036 * |
| Waist Circumference | 140 | 95.91 | 14.77 | 97.97 | 15.74 | 93.85 | 13.54 | 0.099 |
| Hip Circumference | 140 | 107.21 | 9.15 | 105.35 | 10.03 | 106.06 | 8.08 | 0.139 |
| BDI | 141 | 4.00 | 4.37 | 3.97 | 4.40 | 4.03 | 4.36 | 0.939 |
| Diet quality | 141 | 62.10 | 13.00 | 60.40 | 12 | 63.77 | 13.31 | 0.124 |
| NART | 141 | 37.13 | 5.38 | 36.79 | 5.60 | 37.45 | 5.17 | 0.465 |
| STAI-trait | 141 | 31.48 | 7.42 | 31.43 | 7.65 | 31.54 | 7.25 | 0.932 |
| Brachial systolic | 141 | 119.28 | 12.36 | 120.30 | 12.67 | 118.28 | 12.05 | 0.334 |
| Brachial diastolic | 141 | 73.92 | 8.47 | 73.84 | 9.08 | 74.00 | 7.90 | 0.913 |
| Vitamin B1 | 94 | 126.60 | 33.80 | 126.22 | 36.85 | 127.00 | 30.56 | 0.912 |
| Vitamin B2 | 135 | 233.36 | 42.70 | 233.91 | 38.68 | 232.79 | 46.82 | 0.879 |
| RBC Folate | 62 | 1242.50 | 1285.15 | 152.06 | 1211.69 | 314.75 | 0.464 | |
| Vitamin B6 | 139 | 116.85 | 118.54 | 114.06 | 108.10 | 119.60 | 128.73 | 0.833 |
| Vitamin B12 | 139 | 321.09 | 114.11 | 329.33 | 99.74 | 312.96 | 126.89 | 0.271 |
| Homocysteine | 139 | 10.28 | 2.84 | 9.82 | 2.55 | 10.73 | 3.05 | 0.062 |
| High-sensitivity C-reactive protein | 135 | 1.77 | 2.98 | 2.12 | 3.56 | 1.43 | 2.28 | 0.180 |
Variables were compared across active treatment and placebo groups using t-tests. * p < 0.05.