Table 1.
Sample Characteristics According to Race/Ethnicity
| Overall Sample (N=304) |
White Subjects (N=108) |
Black Subjects (N=57) |
Hispanic Subjects (N=139) |
Overall Difference | |
|---|---|---|---|---|---|
| Age, mean±SD | 70.8±0.5 | 70.8±0.8 | 72.4±1.1 | 69.9±0.7 | P=0.185 |
| Female, % | 71.1 | 54.6 | 78.9 | 79.9 | P<0.001 |
| Low SES, % | 18.3 | 3.7 | 10.9 | 32.8 | P<0.001 |
| Hollingshead index, mean±SD | 39.3±1.1 | 28.6±1.6 | 38.8±2.2 | 48.8±1.4 | P<0.001 |
| Comorbidities, mean±SD | 5.7±0.1 | 5.8±0.2 | 6.0±0.3 | 5.5±1.2 | P=0.216 |
| Depression, mean±SD | 5.4±0.2 | 4.9±0.4 | 5.2±0.5 | 6.2±0.4 | P=0.024 |
| Mini-PPT, mean±SD | 11.8±0.2 | 12.6±0.3 | 9.9±0.4 | 12.1±0.2 | P<0.001 |
| MoCA, mean±SD | 22.3±0.3 | 24.3±0.5 | 21.0±0.7 | 21.2±0.5 | P<0.001 |
| AD8, mean±SD | 1.9±0.1 | 1.6±0.2 | 1.8±0.3 | 2.3±0.2 | P=0.017 |
| Animal naming, mean±SD | 16.4±0.4 | 18.4±0.7 | 15.4±0.8 | 15.6±0.6 | P=0.003 |
| TMA, mean±SD | 48.1±2.2 | 40.1±3.6 | 58.9±4.7 | 49.2±3.3 | P=0.006 |
Notes: Between-group differences tested with one-way ANOVA (continuous variables) and with Chi-Square (categorical variables). Significant relationships are highlighted in bold.