Table 1.
Characteristics of women who developed and did not develop severe walking disability in the women's health and aging study I (N = 394).
| Characteristic | Incident severe walking disability (n = 104) | No incident severe walking disability (n = 290) | P |
|---|---|---|---|
| Age category (years) (%) | |||
| ≤69 | 17.3 | 26.2 | |
| 70–74.9 | 22.1 | 27.6 | |
| 75–79.9 | 14.4 | 22.1 | 0.0005 |
| 80–84.9 | 14.4 | 10.0 | |
| 85–89.9 | 23.1 | 12.1 | |
| ≥90 | 8.7 | 2.0 | |
|
| |||
| Race (white) (%) | 69.2 | 75.5 | 0.21 |
| Education < 12 years (%) | 62.1 | 60.3 | 0.75 |
| Current smoking (%) | 15.4 | 10.0 | 0.14 |
| Body mass index (kg/m2) (%) | |||
| <18.5 | 3.2 | 2.8 | |
| 18.5–24.9 | 27.7 | 23.2 | 0.83 |
| 25.0–29.9 | 35.1 | 36.8 | |
| ≥30 | 34.0 | 37.2 | |
|
| |||
| MMSE score < 24 (%) | 15.4 | 9.7 | 0.11 |
| Hypertension (%) | 57.7 | 56.2 | 0.79 |
| Coronary heart disease (%) | 24.0 | 22.1 | 0.68 |
| Congestive heart failure (%) | 14.4 | 7.2 | 0.029 |
| Peripheral artery disease (%) | 26.0 | 15.5 | 0.018 |
| Stroke (%) | 1.0 | 2.8 | 0.29 |
| Diabetes mellitus (%) | 23.1 | 11.7 | 0.005 |
| Depression (%) | 15.4 | 11.4 | 0.29 |
| Chronic obstructive pulmonary disease (%) | 29.8 | 25.9 | 0.44 |
| Renal insufficiency (%) | 58.4 | 52.5 | 0.30 |
| Osteoarthritis (%) | 57.7 | 53.5 | 0.46 |
| CML highest quartile (%) | 33.7 | 22.4 | 0.02 |