Table 2.
Sociodemographic, physical, functional, and overall health by cognitive impairment status by sample
| Total sample | Cognitively impaired (Mean±SD) | Cognitively not impaired (Mean±SD) | P value | |||||
|---|---|---|---|---|---|---|---|---|
| Pop 1 (N=230) | Pop 2 (N=219) | Pop 1 (N=54) | Pop 2 (N=54) | Pop 1 (N=176) | Pop 2 (N=165) | Pop 1 | Pop 2 | |
| Age, years | 67.92±10.01 | 74.34±9.84 | 71.26±8.71 | 79.52±7.56 | 66.90±10.18 | 72.65±9.92 | 0.005 | <0.001 |
| Years of education | 13.73±4.10 | 15.53±2.58 | 12.96±4.31 | 14.95±2.62 | 13.96±4.02 | 16.12±2.41 | 0.117 | 0.013 |
| Men, n (%) | 68 (29.6%) | 110 (50.2%) | 16 (29.6%) | 28 (51.9%) | 52 (29.6%) | 82 (49.7%) | 0.991 | 0.783 |
| SBP, mmHg | 137.94±21.24 | 139.64±19.83 | 136.40±20.03 | 146.50±22.71 | 138.40±21.63 | 137.40±18.32 | 0.531 | 0.003 |
| BMI, kg/m 2 | 27.81±5.13 | 27.64±12.62 | 28.29±5.22 | 29.03±24.00 | 27.67±5.11 | 27.18±4.82 | 0.436 | 0.356 |
| Medical history: high cholesterol | 98 (42.6%) | 116 (53.0%) | 25 (37.9%) | 29 (53.7%) | 84 (43.5%) | 87 (52.7%) | 0.423 | 0.901 |
| Mini PPT total | 12.22±2.53 | 9.84±3.46 | 11.00±2.60 | 8.22±3.36 | 12.59±2.40 | 10.37±3.33 | <0.001 | <0.001 |
| Race, n (%) | 0.096 | 0.421 | ||||||
| Race, White, n (%) | 74 (32.5%) | 73 (89.0%) | 15 (23.4%) | 12 (100%) | 73 (37.4%) | 61 (87.1%) | ||
| Race, Black, n (%) | 49 (21.5%) | 5 (6.1%) | 17 (26.6%) | - | 36 (18.5%) | 5 (7.1%) | ||
| Race, Hispanic, n (%) | 105 (46.1%) | 4 (4.9%) | 32 (50.0%) | - | 86 (44.1%) | 4 (5.7%) | ||
| mCAIDE | 5.41±2.89 | 7.92±2.79 | 6.43±2.93 | 9.20±2.36 | 5.10±2.83 | 7.56±2.80 | 0.003 | <0.001 |
| MCI, n (%) | - | 66 (30.1%) | - | 1 (2.1%) | - | 65 (38.0%) | - | <0.001 |
| Dementia, n (%) | - | 112 (51.1%) | - | 47 (97.9%) | - | 65 (38.0) | - | |
Notes: Pop 1 = community sample. Cognitive impairment defined as being impaired on both MoCA and Animal Naming; Pop 2 = clinical sample. Cognitive impairment was defined as being in the bottom quartile of the global Z-score.