Table 3.
Baseline psychological, experiential, and medical risk factor characteristics of participants across RADC cohort studies
| Latinx | Non-Latinx Whites | Non-Latinx Blacks | Non-Latinx Other Race | |
|---|---|---|---|---|
| N | 415 | 3191 | 1302 | 30 |
| Personality (M, SD) | ||||
| Neuroticismade | 18.2 (5.7) | 15.7 (6.6) | 14.5 (6.3) | 15.6 (5.5) |
| Extroversion | 15.2 (2.6) | 15.5 (3.1) | 15.6 (3.2) | 15.6 (2.8) |
| CES-D Scalecd (M, SD) | 1.8 (2.3) | 1.0 (1.5) | 1.4 (1.8) | 0.6 (1.0) |
| Family history of dementia (%) | ||||
| Mother | ||||
| Yes | 20.8 | 21.3 | 20.2 | 8.3 |
| Possible/suspect | 4.0 | 3.8 | 3.4 | 12.5 |
| No | 75.2 | 74.9 | 76.4 | 79.2 |
| Father | ||||
| Yes | 7.5 | 11.7 | 9.1 | 0 |
| Possible/suspect | 3.1 | 4.0 | 3.5 | 8.3 |
| No | 89.4 | 84.4 | 87.4 | 91.7 |
| Cognitive (M, SD) | ||||
| Current activitycde | 2.5 (0.7) | 3.2 (0.7) | 2.9 (0.6) | 3.0 (0.8) |
| Past activitycde | 2.5 (0.8) | 3.0 (0.7) | 3.1 (0.7) | 2.8 (0.7) |
| Resourcescde | 6.4 (3.7) | 10.5 (3.0) | 9.8 (3.1) | 9.0 (4.9) |
| Parental educationcde | 6.0 (4.2) | 9.9 (3.5) | 8.9 (3.6) | 8.5 (4.6) |
| Physical (M, SD) | ||||
| Current activityce | 3.8 (4.8) | 3.1 (3.7) | 2.5 (4.0) | 3.8 (4.1) |
| Social (all current) (M, SD) | ||||
| Social networksc | 6.5 (5.3) | 7.6 (7.6) | 6.3 (5.8) | 6.9 (7.7) |
| Social activitycde | 2.5 (0.6) | 2.6 (0.6) | 2.7 (0.6) | 2.6 (0.7) |
| Social isolationcde | 2.5 (0.7) | 2.2 (0.6) | 2.1 (0.6) | 2.5 (0.6) |
| Head blow experienced (BISQ)bd (%) | 42.4 | 50.1 | 44.4 | 31.5 |
| Hypertensionbde (%) | 61.0 | 48.1 | 74.7 | 63.3 |
| Myocardial infarction (%) | 5.8 | 9.7 | 8.0 | 10.3 |
| Congestive heart failure (%) | 3.8 | 4.9 | 6.2 | 4.6 |
| Cancerbd (%) | 18.7 | 32.8 | 25.2 | 12.5 |
| Incontinence (≥ several/week)be (%) | 45.3 | 51.6 | 34.2 | 50.0 |
| Broken hip (%) | 3.2 | 5.2 | 2.0 | 4.4 |
| Joint pain (%) | 42.0 | 41.9 | 45.7 | 34.6 |
| Neck painbd (%) | 26.8 | 15.9 | 17.1 | 13.6 |
| Visual acuitycde (%) | ||||
| 20/40 | 53.1 | 74.0 | 69.9 | 62.5 |
| 20/50 | 21.6 | 12.9 | 14.8 | 16.7 |
| < 20/50 | 25.3 | 13.3 | 15.3 | 20.8 |
| Adequate gross auditory function (%) | 89.0 | 88.9 | 89.9 | 93.8 |
| Smoker (ever)be (%) | 29.1 | 33.1 | 44.9 | 33.3 |
| Smoker (current)bde (%) | 3.9 | 1.8 | 7.9 | 3.3 |
| Alcohol use (≥1 drink/day)bd (%) | 4.0 | 8.2 | 5.0 | 4.2 |
| Systolic blood pressureae (M, SD) | 132.3 (19.5) | 134.1 (18.1) | 137.9 (20.5) | 132.6 (19.9) |
| Diastolic blood pressureade (M, SD) | 77.2 (11) | 74.2 (11.0) | 80.1 (12.1) | 76.2 (12.2) |
| Body mass indexadf (M, SD) | 29.6 (5.8) | 27.3 (5.5) | 30.2 (6.5) | 26.3 (5.6) |
| Serum (MCG) (M, SD) | 5444.0 (1449.7) | 4915.7 (1608.1) | 5130.6 (1738.4) | 5370.4 (1244.9) |
| Plasma (MCG) (M, SD) | 6255.8 (1713.9) | 6077.6 (1841.8) | 6369.4 (1652.3) | 6200.0 (1925.7) |
| Cryo PBMC (MCG) (M, SD) | 5.6 (5.0) | 6.4 (12.0) | 7.5 (5.1) | 6.3 (4.3) |
a
Difference noted among categories or among ethnic/racial groups on ANOVA (p < .01)
b
Difference noted among categories or among ethnic/racial groups on χ2 test (p < .01)
c
Difference noted among categories or among ethnic/racial groups on Kruskal-Wallis (p < .01)
d
Difference noted between Latinx-Non-Latinx Whites (p < .05)
e
Difference noted between Latinx-Non-Latinx Blacks (p < .05)
f
Difference noted between Latinx-Non-Latinx Other Race (p < .05)
Note: Other Races include American Indian or Alaska Native, Native Hawaiian or Other Pacific Islander, and Asian.