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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Exp Gerontol. 2021 May 29;152:111431. doi: 10.1016/j.exger.2021.111431

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