Characteristic | Disability (N = 16,616) | Gait speed & grip strength (N = 2,748) |
---|---|---|
Age, years | 67.3 (9.7) | 72.8 (6.0)a |
Sex, female, N (%) | 9,610 (57.8) | 1,545 (56.2) |
Ethnicity, N (%) | ||
 White | 12,789 (77.0) | 2,257 (82.1) |
 Black | 2,232 (13.4) | 281 (10.2) |
 Hispanic | 1,272 (7.7) | 168 (6.1) |
 Other | 323 (1.9) | 42 (1.5) |
Marital status, N (%) | ||
 Married/living with partner | 10,762 (64.8) | 13,629 (65.9) |
 Unmarried, living alone | 3,705 (22.3) | 636 (23.1) |
 Unmarried, living with other | 2,149 (12.9) | 286 (10.4) |
Education, N (%) | ||
 Less than high school | 4,698 (28.3) | 555 (20.2) |
 High school | 5,696 (34.3) | 1,021 (37.2) |
 College | 3,118 (18.8) | 558 (20.3) |
  ≥ 4 years of college | 3,104 (18.7) | 614 (22.3) |
Household net worth, N (%)b | ||
 Quartile 1 | 4,153 (25.0) | 687 (25.0) |
 Quartile 2 | 4,173 (25.1) | 689 (25.1) |
 Quartile 3 | 4,135 (24.9) | 687 (25.0) |
 Quartile 4 | 4,155 (25.0) | 685 (24.9) |
Smoking status, N (%) | ||
 Never smoker | 6,920 (41.7) | 1,253 (45.6) |
 Past smoker | 7,263 (43.7) | 1,277 (46.5) |
 Current smoker | 2,433 (14.6) | 218 (7.9) |
Multimorbidity-Weighted Index | ||
 Mean (SD) | 2.9 (3.8) | 6.0 (5.3) |
 Median (IQR) | 0.4 (0.0, 4.7) | 4.6 (0.8, 8.6) |
Number of ADL limitations | ||
 Mean (SD) | 0.4 (1.1) | 0.2 (0.7) |
 Median (IQR) | 0.0 (0.0, 0.0) | 0.0 (0.0, 0.0) |
Number of IADL limitations | ||
 Mean (SD) | 0.3 (0.8) | 0.1 (0.4) |
 Median (IQR) | 0.0 (0.0, 0.0) | 0.0 (0.0, 0.0) |
Number of ADL + IADL limitations | ||
 Mean (SD) | 0.7 (1.7) | 0.3 (0.9) |
 Median (IQR) | 0.0 (0.0, 0.0) | 0.0 (0.0, 0.0) |
Gait speed, m/s | -c | 0.8 (0.2) |
Grip strength, kg | -c | 31.2 (10.6) |