Table 1.
Subject characteristics (all subjects) at Test-1
| Group A | Group B | Group C | |
|---|---|---|---|
| Gender (Female/Male) | 91/11 | 26/3 | 27/5 |
| % Caucasian | 87% | 93% | 97% |
| Average level education completed (yrs of school) | 13.6 ± 3.0 | 13.7 ± 3.5 | 12.7 ± 2.3 |
| Type of arthritis (more than one answer possible) | |||
| Osteoarthritis/DJD | 58% | 45% | 78% |
| Rheumatoid | 13% | 7% | 31% |
| Other | 29% | 10% | 34% |
| Don’t know | 21% | 45% | 9% |
| Years symptomatic | 14 ± 14 | 9 ± 10 | 16 ± 11 |
| Arthritis knowledge (number correct out of 9) | 5.3 ± 2.0 | 3.9 ± 2.0 | 4.5 ± 2.1 |
| General health status (scale 1–5, lower is better) | 3.1 ± .8 | 3.0 ± .9 | 3.2 ± .9 |
| Confidence (scale 1–10, higher is better) | 7.2 ± 2.6 | 8.2 ± 3.0 | 6.6 ± 2.8 |
| Physical abilities (scale 0–3, lower is better) | 1.4 ± .4 | 1.3 ± .3 | 1.4 ± .3 |
| Depression (scale 0–60, lower is better) | 15.8 ± 9.8 | 14.8 ± 10.6 | 15.6 ± 8.9 |
| Health distress (scale 0–5, lower is better) | 1.9 ± 1.3 | 1.6 ± 1.1 | 1.7 ± 1.0 |
| How arthritis affects life (scale 1–7, lower is better) | 2.5 ± 1.4 | 2.2 ± 1.5 | 2.9 ± 1.4 |
| Arthritis Pain (last two weeks) (scale 0–10, lower is better) | 5.6 ± 2.6 | 4.5 ± 2.1 | 5.7 ± 2.3 |
| Fatigue (last two weeks) (scale 0–10, lower is better) | 5.1 ± 2.8 | 5.0 ± 2.7 | 5.4 ± 2.8 |
| Six Minute Walk Test (ft) | 1050.0 ± 434.3 | 1059.8 ± 348.7 | 1103.6 ± 267.3 |
| Squat Test (depth in cm) | 36.3 ± 17.2 | 10.0 ± 12.4 | 42.3 ± 28.2 |
| Timed Functional Walking Test (seconds) | 18.7 ± 7.2 | 18.7 ± 5.4 | 17.5 ± 5.1 |
| Number of subjects at Test-1 | 102 | 37 | 54 |
| Number of subjects at Test-6w | 29 | 20 | 19 |
| Number of subjects at Test-4m | 32 | 27 | 27 |
Abbreviations: DJD, degenerative joint disease.