Items of KPPS-BG | Item-total correlations (IT-TC) (n = 129) | Cronbach’s α if item deleted | ICCs (CI) (n = 43)elet |
---|---|---|---|
1. Pain around joints (musculoskeletal) | 0.46 | 0.75 | 0.84 (0.67–0.90) |
2. Pain related to internal organ | 0.31 | 0.72 | 0.78 (0.62–0.88) |
3. Generalised non-specific pain in the stomach area | 0.21 | 0.74 | 0.84 (0.66–0.89) |
4. Pain deep within the body | 0.38 | 0.75 | 0.97 (0.92–0.99) |
5. Dyskinetic pain | 0.68 | 0.73 | 1 (1–1) |
6. Painful muscle cramps in a specific area during “off” periods | 0.41 | 0.73 | 0.94 (0.85–0.91) |
7. Generalized “off” period pain | 0.49 | 0.79 | 0.85 (0.72–0.91) |
8. PLM or RLS-associated pain | 0.52 | 0.77 | 0.97 (0.87–0.99) |
9. Pain while turning in bed | 0.71 | 0.73 | 0.95 (0.91–0.98) |
10. Pain when chewing | 0.64 | 0.71 | 1 (1–1) |
11. Pain due to grinding teeth | 0.46 | 0.75 | 0.98 (0.96–0.99) |
12. Burning sensation in the mouth | 0.15 | 0.74 | 0.80 (0.61–0.87) |
13. Burning pain in the limbs | 0.66 | 0.73 | 0.98 (0.93–0.99) |
14. Shooting pain/pins & needles | 0.72 | 0.71 | 0.97 (0.91–0.99) |