CERAD test | Animal Fluency test | Digit Symbol test | |||||||
---|---|---|---|---|---|---|---|---|---|
Normal Cognitive Performance | Low Cognitive Performance | P Value | Normal Cognitive Performance | Low Cognitive Performance | P Value | Normal Cognitive Performance | Low Cognitive Performance | P Value | |
Number of subjects | 1851 (74.2) | 645 (25.8) | 1778 (71.2) | 718 (28.8) | 1850 (74.1) | 646 (25.9) | |||
Vitamin D (mcg)b | 3.65 (4.2) | 3.64 (3.7) | 0.875 | 3.8 (4.1) | 3.35 (3.9) | < 0.01 | 3.7 (4.2) | 3.5 (3.6) | 0.042 |
Niacin (mg)b | 21.02 (11.8) | 19.48 (11.7) | < 0.01 | 21.33 (11.9) | 19.1 (10.6) | < 0.01 | 21.29 (11.7) | 18.71 (11.5) | < 0.01 |
Vitamin B6 (mg)b | 1.79 (1.04) | 1.64 (1.02) | < 0.01 | 1.8 (1.06) | 1.63 (1.01) | < 0.01 | 1.81 (1.03) | 1.56 (1.04) | < 0.01 |
Vitamin B12 (mcg)b | 3.82 (3.3) | 3.40 (3.2) | < 0.01 | 3.88 (3.34) | 3.34 (3.2) | < 0.01 | 3.9 (3.3) | 3.15 (3.2) | < 0.01 |
Folic acid (mcg)b | 132 (141) | 119 (125) | 0.012 | 132 (143) | 120 (118) | < 0.01 | 133 (143) | 113 (115) | < 0.01 |
Zinc (mg)b | 9.4 (5.3) | 8.7 (5.2) | < 0.01 | 9.62 (5.4) | 8.23 (5.1) | < 0.01 | 9.56 (5.1) | 8.05 (4.6) | < 0.01 |
Iron (mg)b | 12.94 (7.4) | 12.01 (7.7) | < 0.01 | 13.06 (7.5) | 11.91 (7.4) | < 0.01 | 13 (7.5) | 11.7 (7.6) | < 0.01 |
Copper (mg)b | 1.08 (0.6) | 1.01 (0.6) | < 0.01 | 1.11 (0.61) | 0.95 (0.5) | < 0.01 | 1.12 (0.59) | 0.93 (0.54) | < 0.01 |
Selenium (mcg)b | 96.75 (53) | 90.85 (52) | < 0.01 | 99.1 (54) | 87.07 (52) | < 0.01 | 98.62 (51) | 85.52 (55) | < 0.01 |
Protein (gm)b | 70.06 (34.2) | 65.52 (35.9) | < 0.01 | 71.11 (35.1) | 63.73 (33.4) | < 0.01 | 70.98 (34.0) | 61.01 (37.4) | < 0.01 |
Total saturated fatty acids (gm)b | 20.65 (14.4) | 17.85 (13.7) | < 0.01 | 21.03 (14) | 17.39 (13.4) | < 0.01 | 21.13 (14) | 16.8 (13.8) | < 0.01 |
Depression (%)a | 145 (7.9) | 71 (11.2) | 0.010 | 120 (6.8) | 96 (13.6) | < 0.01 | 120 (6.5) | 96 (15.1) | < 0.01 |
Pre-diabetes (%)a | 128 (9.4) | 28 (6.4) | 0.055 | 109 (8.2) | 47 (10.0) | 0.229 | 130 (9.3) | 26 (6.5) | 0.074 |
Gastrointestinal disorders (%)a | 116 (6.3) | 38 (5.9) | 0.756 | 107 (6.0) | 47 (6.6) | 0.618 | 111 (6.0) | 43 (6.7) | 0.537 |
Smoking (%)a | 928 (50.2) | 333 (51.6) | 0.521 | 908 (51.1) | 353 (49.2) | 0.382 | 926 (50.1) | 335 (51.9) | 0.437 |