Table 5.
PCA 1 (NIHTB-CB with RAVLT-DR) |
PCA 2a (NIHTB-CB without RAVLT-DR) |
|||||
---|---|---|---|---|---|---|
MEMNIH | EFNIH | CINIH | EF/WMNIH | CINIH | ||
PCA 3 (Traditional tests) | MEMT | 0.471∗ | 0.320∗ | 0.196 | 0.500† | 0.196 |
MEMT1 | 0.389† | 0.270† | 0.314† | 0.348† | 0.314† | |
EFT | 0.423† | 0.510† | 0.519† | 0.547† | 0.519† | |
EDUCATION | 0.312† | 0.171∗ | 0.468† | 0.253† | 0.468† |
Abbreviations: NIHTB-CB, NIH Toolbox Cognition Battery; PCA, principal component analysis; MEMNIH, NIHTB-CB memory factor; EFNIH, NIHTB-CB executive function factor; CINIH, NIHTB-CB crystallized intelligence factor; EF/WMNIH, NIHTB-CB executive function/working memory factor; MEMT, traditional memory factor; MEMT1, traditional memory factor with most available data; EFT, traditional executive function factor.
NOTE. Partial correlations controlled for age, sex, and education.
P < .05.
P < .001.