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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Neuroimage. 2020 Jun 10;219:117040. doi: 10.1016/j.neuroimage.2020.117040

Table 1.

Sample demographics.

Variable Total Mean (SD) Male Mean (SD) Female Mean (SD)
N = 47 N = 20 N = 27
Age 74.4 (5.4) 73.8 (4.8) 74.9 (5.8)
Highest Educational Level 16.6 (2.4) 16.6 (2.7) 16.7 (2.1)
Right-Handed 95.7% 95.0% 96.3%
Race
Caucasian 95.8% 100.0% 92.6%
African-American 2.1% 0.0% 3.7%
Latino 2.1% 0.0% 3.7%
MoCA Total Score 25.8 (2.5)* 24.6 (1.9) 26.7 (2.5)
NIH Toolbox Crystallized Performance 115.8 (18.5) 111.1 (20.3) 119.2 (16.6)
NIH Toolbox Fluid Performance 100.0 (12.5) 97.7 (12.2) 101.6 (12.7)
*

Female performance significantly higher than male p < .01.

Note: Adjusted Scaled Scores have a mean of 100 and standard deviation of 15; MoCA = Montreal Cognitive Assessment; NIH Toolbox Crystallized Performance is comprised of the Picture Vocabulary Test and the Oral Reading Recognition Test; NIH Toolbox Fluid Performance is comprised of Dimensional Change Card Sort, Flanker, Picture Sequence Memory, List Sorting, and Pattern Comparison tasks.