Table 3.
APOE ɛ4 moderation of age effects on cognitive task performance
Younger (Mean ± St.Dev) | Older (Mean ± St.Dev) | Age | APOE | APOE x Age | ||||||
---|---|---|---|---|---|---|---|---|---|---|
ɛ4 | Non-ɛ4 | ɛ4 | Non-ɛ4 | P | η2 | P | η2 | P | η2 | |
Stroop RT | 0.123±0.100 | 0.096±0.061 | 0.141±0.070 | 0.142±0.079 | 0.005 | 0.047 | 0.644 | 0.001 | 0.38 | 0.004 |
Stroop RT 25% | 0.179±0.089 | 0.129±0.086 | 0.163±0.106 | 0.181±0.106 | 0.047 | 0.022 | 0.948 | 0.024 | 0.108 | 0.015 |
Stroop RT 75% | 0.119±0.068 | 0.081±0.069 | 0.137±0.072 | 0.124±0.077 | 0.008 | 0.042 | 0.156 | 0.011 | 0.0426 | 0.004 |
Stroop Error | 0.025±0.036 | 0.022±0.037 | 0.089±0.100 | 0.091±0.113 | 0.0001 * | 0.008 | 0.97 | 0.000 | 0.9 | 0.000 |
Stroop Error 25% | 0.015±0.033 | 0.048±0.071 | 0.141±0.155 | 0.149±0.163 | 0.00004* | 0.093 | 0.568 | 0.002 | 0.678 | 0.001 |
Stroop Error 75% | 0.038±0.054 | 0.005±0.039 | 0.075±0.118 | 0.068±0.113 | 0.0015 | 0.059 | 0.555 | 0.002 | 0.715 | 0.001 |
Category Switch RT | 0.100±0.100 | 0.182±0.166 | 0.105±0.142 | 0.131±0.140 | 0.17 | 0.012 | 0.102 | 0.014 | 0.317 | 0.005 |
Category Switch RT 750ms | 0.113±0.147 | 0.216±0.170 | 0.137±0.137 | 0.148±0.172 | 0.126 | 0.014 | 0.236 | 0.008 | 0.173 | 0.010 |
Category Switch RT 1250ms | 0.086±0.096 | 0.151±0.200 | 0.075±0.183 | 0.119±0.152 | 0.394 | 0.005 | 0.0907 | 0.016 | 0.753 | 0.000 |
Category Switch Mixing RT | 225.456±168.102 | 183.478±146.311 | 400.149±315.685 | 343.200±179.857 | 0.0000 08* | 0.107 | 0.146 | 0.010 | 0.855 | 0.000 |
Category Switch Mixing RT 750ms | 268.932±190.525 | 210.952±184.543 | 468.616±378.260 | 381.004±221.991 | 0.0000 8* | 0.086 | 0.0731 | 0.016 | 0.7672 | 0.000 |
Category Switch Mixing RT 1250ms | 183.402±171.961 | 156.750±142.593 | 333.260±305.777 | 304.552±193.734 | 0.000066* | 0.086 | 0.45 | 0.003 | 0.981 | 0.000 |
Keep Track | 23.818±1.888 | 22.219±2.338 | 20.815±3.803 | 20.351±3.612 | 0.0003 * | 0.068 | 0.211 | 0.008 | 0.413 | 0.003 |
survives Sidak correction