Table 3.
Walking ability as measured by the single item on the Oswestry Disability Index
| Variable | Frequency | Percentage (%) |
|---|---|---|
| ODI (walking) scores – baseline | ||
| Poor walking ability | 4348 | 30.0 |
| Good walking ability | 4297 | 29.7 |
| Missing | 5840 | 40.3 |
| ODI (walking) scores – 6 weeks | ||
| Poor walking ability | 1474 | 10.2 |
| Good walking ability | 4999 | 34.5 |
| Missing | 8012 | 55.3 |
| ODI (walking) scores – 6 months | ||
| Poor walking ability | 1187 | 8.2 |
| Good walking ability | 3914 | 27.0 |
| Missing | 9384 | 64.8 |
| ODI (walking) scores – 12 months | ||
| Poor walking ability | 1103 | 7.6 |
| Good walking ability | 3456 | 23.9 |
| Missing | 9926 | 68.5 |
Abbreviations: ODI: Oswestry Disability Index