Table 1.
Characteristics of KHANDLE study participants (n = 1,615).
| Variable | n or mean | % or SD |
|---|---|---|
| Age (years) | 75.9 | 6.7 |
| Female gender | 956 | 59.2 |
| Race/ethnicity | ||
| Asian | 400 | 24.8 |
| Black | 409 | 25.3 |
| Latino | 329 | 20.4 |
| Non-Latino White | 477 | 29.5 |
| Years of Education | 14.7 | 3.1 |
| Family history of dementia | 539 | 33.4 |
| Depressive symptoms a | −0.1 | 0.7 |
| ECog score b | 1.4 | 0.4 |
| log(ECog score) | 0.3 | 0.3 |
a
Depressive symptoms standardized to a normative sample from the U.S. population (population mean = 0, standard deviation = 1.0).
b
ECog: Everyday Cognition scale; in the current work we used the natural logarithm transformed scores log(ECog scores)