Table 1 Item means and item-rest correlations for ISS items
From: Unpacking the impact of chronic pain as measured by the impact stratification score
Items | M(SD) | Item-total correlation |
|---|---|---|
Physical Function | ||
1. Are you able to do chores such as vacuuming or yard work? (1–5) | 2.1 (0.97) | 0.68 |
2. Are you able to go up and down stairs at a normal pace? (1–5) | 1.9 (0.98) | 0.65 |
3. Are you able to go for a walk of at least 15 min? (1–5) | 1.6 (0.90) | 0.65 |
4. Are you able to run errands and shop? (1–5) | 1.6 (0.78) | 0.73 |
Pain Interference | ||
5. How much did pain interfere with your day-to-day activities? (1–5) | 2.3 (0.94) | 0.79 |
6. How much did pain interfere with work around the home? (1–5) | 2.3 (1.02) | 0.84 |
7. How much did pain interfere with your ability to participate in social activities? (1–5) | 1.8 (1.00) | 0.76 |
8. How much did pain interfere with your household chores? (1–5) | 2.1 (1.01) | 0.82 |
Pain Intensity | ||
9. How would you rate your pain on average? (0–10) | 3.9 (2.05) | 0.64 |