Table 4.
Convergent and Discriminant Validity by Physical Function Short Form
| Score Correlations | PF [16] | PF [4a] | PF [6b] | PF [10a] | Hypothesized Association |
|---|---|---|---|---|---|
| PROMIS Domains | |||||
| Ability to Participate in Social Roles | 0.76 | 0.74 | 0.76 | 0.75 | + |
| Fatigue | −0.72 | −0.67 | −0.70 | −0.70 | + |
| Pain Interference | −0.67 | −0.64 | −.065 | −0.67 | + |
| Depression | −0.50 | −0.47 | −0.49 | −0.50 | * |
| Anxiety | −0.48 | −0.45 | −0.47 | −0.48 | * |
| Sleep Disturbance | −0.41 | −0.38 | −0.40 | −0.41 | * |
| Validated Measures | |||||
| FACT – Physical Well-Being Subscale | 0.71 | 0.70 | 0.71 | 0.70 | + |
| Spirituality | 0.26 | 0.25 | 0.26 | 0.25 | − |
| Faith | 0.03 | 0.03 | 0.04 | 0.03 | − |
| Meaning/Peace | 0.37 | 0.35 | 0.36 | 0.36 | − |
| Financial Burden | 0.20 | 0.19 | 0.19 | 0.20 | − |
| Acculturation (n=1280)** | −0.14 | −0.13 | −0.14 | −0.15 | − |
+ Strong (r≥0.70);
*
Moderate (0.30< r <0.70);
− Weak (r≤0.30);
**
Non U.S. Born Only