Table 2 Participant characteristics
| Â | Placebo | Choline | P-value | |||||
|---|---|---|---|---|---|---|---|---|
Mean |  ±  | SE | Mean |  ±  | SE | |||
Number of subjects | 21 (11: 10) | 20 (12: 8) | Â | |||||
(Male: Female) | ||||||||
Age (y) | 66 |  ±  | 1.22 | 64.7 |  ±  | 0.67 |  > 0.05 | |
Height (cm) | 160 |  ±  | 1.72 | 163 |  ±  | 1.62 |  > 0.05 | |
Body weight (kg) | 60.1 |  ±  | 2.29 | 60.4 |  ±  | 2.64 |  > 0.05 | |
BMI | 23.4 |  ±  | 0.75 | 22.3 |  ±  | 0.65 |  > 0.05 | |
Systolic blood pressure (mmHg) | 121 |  ±  | 3.67 | 125 |  ±  | 3.47 |  > 0.05 | |
Diastolic blood pressure (mmHg) | 76.7 |  ±  | 2.67 | 76.8 |  ±  | 2.81 |  > 0.05 | |
Pulse (/m) | 79.7 |  ±  | 2.46 | 78.1 |  ±  | 2.04 |  > 0.05 | |
MMSE-J | 28.8 |  ±  | 0.21 | 28.9 |  ±  | 0.24 |  > 0.05 | |
GDS-S-J | 1.33 |  ±  | 0.3 | 1.7 |  ±  | 0.35 |  > 0.05 | |
Cognitrax | Verbal memory | 52.7 |  ±  | 1.11 | 50.9 |  ±  | 1.42 |  > 0.05 |
Psychomotor speed | 162 |  ±  | 3.66 | 160 |  ±  | 5.7 |  > 0.05 | |
Processing Speed | 53 |  ±  | 1.62 | 55.8 |  ±  | 1.83 |  > 0.05 | |
Simple Attention | 39.8 |  ±  | 0.11 | 39.4 |  ±  | 0.4 |  > 0.05 | |
Motor Speed | 108 |  ±  | 2.84 | 104 |  ±  | 4.98 |  > 0.05 | |
Plasma free choline level (μM) | 14.3 |  ±  | 0.59 | 14.3 |  ±  | 0.67 |  > 0.05 | |
Egg consumption (n/week) | 2.84 |  ±  | 0.44 | 3.39 |  ±  | 0.39 |  > 0.05 | |