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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Neurobiol Aging. 2018 Oct 23;74:161–170. doi: 10.1016/j.neurobiolaging.2018.10.021

Table 3.

Summary of main effects of sex and BDNF Val66Met genotype, and their interaction on 3MS intercept and slope, stratified by participant race.

Predicting 3MS in white participants
Predicting intercept F value degrees of freedom P value
Sex 26.5 1, 1546 <.001
BDNF genotype 3.3 1, 1560 .07
Sex X BDNF genotype 0.7 1, 1547 .42
Predicting change over time
Time 15.1 1, 1140 <.001
Sex X Time 0.001 1, 1056 .98
BDNF genotype X Time 0.5 1, 1070 .46
Sex X BDNF genotype X Time 0.1 1, 1045 .72
Predicting 3MS in black participants
Predicting intercept F value degrees of freedom P value
Sex 15.3 1, 1008 <.001
BDNF genotype 3.2 1, 1043 .08
Sex X BDNF genotype 0.9 1, 1023 .34
Predicting change over time
Time 30.0 1, 645 <.001
Sex X Time 0.3 1, 619 .58
BDNF genotype X Time 0.2 1, 888 .65
Sex X BDNF genotype X Time 0.2 1, 770 .67

Note: Not shown are tde effects of tde covariates: age, CES-D, education, clinical site, average amount of self-reported time spent walking, and diabetes.