Table 3. Correlations between OP scale, SF-36 and Cantril Ladder at baseline and between changes in these scores after one year.
| OP Baseline (n ranged from 175 to 181) | Δ OP (n ranged from 124 to 130) | |
|---|---|---|
| Life satisfaction Baseline | −.561 (p < 0.001) | |
| BMI Baseline | .186 (p = 0.012) | |
| SF-36 | ||
| PCS Baseline | −.410 (p < 0.001) | |
| MCS Baseline | −.624 (p < 0.001) | |
| Physical function | −.321 (p < 0.001) | |
| Physical role function | −.268 (p < 0.001) | |
| Bodily pain | −.299 (p < 0.001) | |
| General health | −.367 (p < 0.001) | |
| Vitality | −.460 (p < 0.001) | |
| Social function | −.582 (p < 0.001) | |
| Emotional role function | −.373 (p < 0.001) | |
| Mental health | −.570 (p < 0.001) | |
| Δ Life satisfaction | −.394 (p < 0.001) | |
| Δ BMI | −.280 (p < 0.001) | |
| Δ SF-36 | ||
| Δ PCS | −.248 (p = 0.006) | |
| Δ MCS | −.339 (p < 0.001) | |
| Δ Physical function | −.266 (p = 0.002) | |
| Δ Physical role function | −.091 (p = 0.306) | |
| Δ Bodily pain | −.193 (p = 0.028) | |
| Δ General health | −.229 (p = 0.009) | |
| Δ Vitality | −.255 (p = 0.004) | |
| Δ Social function | −.328 (p < 0.001) | |
| Δ Emotional role function | −.221 (p = 0.013) | |
| Δ Mental health | −.250 (p = 0.004) |
Notes.
- Δ
- change
- SD
- standard deviation
- PCS
- physical component summary
- MCS
- mental component summary
Since a higher score on the OP scale indicates poorer psychosocial functioning, the correlation between change in OP scale and change in SF-36 and Cantril Ladder is negative.
Data are given as Pearson’s r correlation coefficients. P values < 0.05 were considered statistically significant.