Table 2.
Frequency and Reliability of Mobility Device Use and Presence of Home Modificationsa
| Uses/has… | Percentage | Percent agree | Kappa | 95% Confidence interval | |
|---|---|---|---|---|---|
| Initial interview | Reinterview | ||||
| Mobility devices (used in past month) | |||||
| Any device | 29.7 | 29.7 | 94.6 | 0.87 | 0.77–0.97 |
| Cane | 18.9 | 19.8 | 95.5 | 0.86 | 0.73–0.98 |
| Walker | 12.6 | 12.6 | 96.4 | 0.84 | 0.68–0.99 |
| Wheelchair | 9.0 | 8.1 | 97.3 | 0.83 | 0.64–1.00 |
| Scooter | 3.6 | 3.6 | 100.0 | 1.00 | 1.00–1.00 |
| Environmental accommodations (have) | |||||
| Grab bars in the shower | 45.1 | 44.1 | 90.1 | 0.80 | 0.69–0.91 |
| Shower/bath seat | 42.3 | 44.1 | 89.2 | 0.78 | 0.66–0.90 |
| Raised toilet seat | 71.2 | 74.8 | 87.4 | 0.68 | 0.53–0.84 |
| Grab bars around the toilet | 80.2 | 77.5 | 93.7 | 0.81 | 0.68–0.95 |
aReinterview sample (n = 111).