Table 1.
Descriptive Statistics for Sample by IDE genotype and Longitudinal Wave
| IDE genotype | ||||
|---|---|---|---|---|
|
| ||||
| G+ (G/G & G/A) | G− (A/A) | |||
|
| ||||
| W1 | W2 | W1 | W2 | |
|
|
||||
| na | 495 (122 & 373) | 410 (104 & 306) | 79 | 64 |
| Age M(SD) | 69.8 (8.48) | 73.9 (8.36) | 72.3 (8.65) | 76.9 (8.75) |
| Range | 53.2 – 95.2 | 57.3 – 94.1 | 54.6 – 89.3 | 58.9 – 94.5 |
| Gender (% women) | 67.7 | 67.8 | 62.0 | 59.4 |
| T2D (% with T2D) | 7.9 | 7.8 | 8.9 | 7.8 |
| Hayling M(SD) | 5.62 (1.42) | 5.49 (1.49) | 5.47 (1.42) | 5.23 (1.40) |
| Stroopb M(SD) | 1.25 (.706) | 1.31 (.910) | 1.41 (.828) | 1.44 (.892) |
| Brixton M(SD) | 4.96 (2.13) | 5.42 (2.00) | 4.56 (2.17) | 4.98 (2.12) |
| Color Trailsb M(SD) | 91.9 (28.9) | 99.1 (38.6) | 99.3 (35.0) | 107.1 (41.7) |
| EF factor scores M(SD) | .008 (.805) | .051 (1.20) | −.244 (.873) | −.331 (1.38) |
Note. Hardy-Weinberg equilibrium χ2 = 54.09 at W1, therefore the genotypic distribution for IDE is not in Hardy-Weinberg equilibrium. W1 = Wave 1. W2 = Wave 2.
a
For G+ n is for total G (G/G & G/A).
b
Lower scores indicate better performance.