Table 1.
Demographics and selected neuropsychological battery scores (Costa and McCrae 1992; Nasreddine et al. 2005; Bean 2011). (*Note that years of education was not part of the HCP-A version 1.0 release.) T-tests or chi square tests were performed as appropriate, excluding unknown/not reported values.
| Female | Male | P-value | |
|---|---|---|---|
| Total number of participants | 346 (58%) | 249 (42%) | N/A |
| Age | 57.59 (14.81) | 58.13 (14.07) | 0.687 |
| Race | American Indian/Alaska Native: 1 Asian: 20 Black/African American: 56 White: 246 More than 1 race: 16 Unknown/not reported: 7 |
American Indian/Alaska Native: 1 Asian: 27 Black/African American: 32 White: 177 More than 1 race: 10 Unknown/not reported: 2 |
0.204 |
| Ethnicity | Hispanic or Latino: 38 Not Hispanic or Latino: 307 Unknown/not reported: 1 |
Hispanic or Latino: 21 Not Hispanic or Latino: 228 Unknown/not reported: 0 |
0.299 |
| Handedness | Right: 301 Left: 22 Ambidextrous: 23 |
Right: 206 Left: 24 Ambidextrous: 19 |
0.283 |
| MOCA total (points out of 30) | 26.86 (2.25) | 26.31 (2.51) | 0.009 |
| RAVLT-L (Sum of Trials 1–5, # words recalled) | 48.22 (9.71) | 44.06 (10.50) | <0.001 |
| RAVLT-IR (Immediate Recall, # words recalled) | 10.13 (2.99) | 9.07 (3.31) | <0.001 |
| NEO-Neuroticism score | 15.23 (7.25) | 14.57 (7.88) | 0.349 |