Table 3.
Associations between variables and high outcome expectancy category (OES ≥ 4.0)
| Variable | OR (95% CI) | p value |
|---|---|---|
| Gender | 0.08 | |
| Female | 0.62 (0.36, 1.07) | |
| Male | – | |
| Race | 0.91 | |
| White | – | |
| Black | 1.08 (0.51, 2.29) | |
| Other | 0.92 (0.54, 1.57) | |
| Education | 0.13 | |
| Graduate school | 1.41 (0.74, 2.71) | |
| College graduate | 1.47 (0.73, 2.96) | |
| Trade or some college | – | |
| High school or less | 0.64 (0.32, 1.28) | |
| Radiographic severity of tibiofemoral osteoarthritis | 0.12 | |
| Kellgren-Lawrence grade 4 | – | |
| Kellgren-Lawrence grade 3 | 0.70 (0.31, 1.58) | |
| Kellgren-Lawrence grade ≤ 2 | 0.48 (0.22, 1.02) | |
| WOMAC pain subscale (100 unit increase) | 0.97 (0.76, 1.25) | 0.84 |
| WOMAC function subscale (100 unit increase) | 0.97 (0.90, 1.04) | 0.41 |
| Arthritis Self-Efficacy Scale-8 (1 unit increase) | 1.25 (1.11, 1.41) | 0.0004 |
| Beck Depression Inventory-II (5 unit increase) | 0.84 (0.73, 0.97) | 0.01 |
| PROMIS Distress-Anxiety Short Form (5 unit increase) | 1.01 (0.88, 1.17) | 0.86 |
| Perceived Stress Scale (5 unit increase) | 0.84 (0.70, 1.01) | 0.06 |
| MOS Social Support Scale (10 unit increase) | 1.05 (0.94, 1.16) | 0.41 |