Table 1.
Participant characteristics.
| Baseline Characteristic | Event Classification | Comparison of Event Groups P-value |
Overall (n=507) | |
|---|---|---|---|---|
| No MMD Event (n=363) | MMD Event (n=144) | |||
| Age; mean (SD) | 78.1 (5.09) | 79.4 (5.74) | 0.01 | 78.4 (5.31) |
| Sex (Female); n, (%) | 234 (64.5) | 92 (63.9) | 0.90 | 326 (64.3) |
| Race/Ethnicity (Non-Hispanic White); n, (%) | 264 (72.7) | 109 (75.7) | 0.26 | 373 (73.6) |
| Education (Some college); n, (%) | 248 (68.3) | 82 (56.9) | 0.04 | 330 (65.1) |
| SPPB total score; mean (SD) | 7.7 (1.45) | 6.9 (1.66) | <0.001 | 7.47 (1.56) |
| SPPB ≤ 7 (Yes); n, (%) | 133 (36.6) | 83 (57.6) | <0.001 | 215 (42.6) |
| 400m walk speed (m/sec); mean, (SD) | 0.87 (0.15) | 0.74 (0.16) | <0.001 | 0.83 (0.16) |
| Body Mass Index; mean (SD) | 30.1 (5.52) | 31.0 (6.70) | 0.12 | 30.4 (5.89) |
| History of Hypertension (Yes); n, (%) | 247 (68.6) | 103 (72.5) | 0.39 | 350 (69.7) |
| History of CVD (Yes); n, (%) | 87 (24.0) | 58 (40.3) | < 0.001 | 145 (28.6) |
| History of Lung Disease; (Yes); n, (%) | 65 (18.1) | 16 (11.1) | 0.06 | 81 (16.1) |
| History of Arthritis (Yes); n, (%) | 62 (17.2) | 25 (17.4) | 0.96 | 87 (17.2) |
Notes: MMD = major mobility disability; SPPB = short physical performance battery; CVD = cardiovascular disease