Table 3.
Descriptive statistics for the NAB Executive Functions Module based on raw scores.
| Subtest | 18–39 years | 40–59 years | 60–74 years | 75–99 years | Sample |
|---|---|---|---|---|---|
| Planning | 8.69(2.48) | 7.80(3.29) | 6.43(3.61) | 4.48(3.32) | 6.66(3.60) |
| Mazes | 20.12(4.89) | 15.11(5.36) | 10.48(5.76) | 5.46(4.40) | 12.15(7.44) |
| Letter Fluency | 16.24(5.56) | 18.11(6.22) | 15.95(5.70) | 13.21(5.25) | 15.69(5.90) |
| Judgment | 12.89(1.76) | 12.76(1.89) | 11.97(1.99) | 10.61(2.16) | 11.95(2.17) |
| Categories | 26.17(9.68) | 22.76(8.48) | 16.72(8.07) | 10.14(6.79) | 18.19(10.20) |
| Word Generation | 7.55(2.89) | 7.76(2.92) | 7.13(2.81) | 5.84(2.92) | 6.99(2.99) |
Data represent means ± SD.