Validity and Reliability of Short-Form McGill Pain Questionnaire-2 (SF-MPQ-2) in Iranian People with Parkinson’s Disease

Table 4

Interitem Correlation for SF-MPQ-2 in people with idiopathic Parkinson’s disease (n = 428).

Items	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
1. Throbbing pain	1
2. Shooting pain	0.66	1
3. Stabbing pain	0.61	0.61	1
4. Sharp pain	0.53	0.48	0.54	1
5. Cramping pain	0.25	0.38	0.30	0.24	1
6. Gnawing pain	0.48	0.40	0.50	0.48	0.22	1
7. Hot-burning pain	0.48	0.48	0.57	0.47	0.39	0.39	1
8. Aching pain	0.44	0.50	0.48	0.46	0.38	0.41	0.45	1
9. Heavy pain	0.27	0.38	0.37	0.30	0.50	0.41	0.42	0.44	1
10. Tender	0.37	0.44	0.42	0.60	0.30	0.67	0.52	0.41	0.41	1
11. Splitting pain	0.40	0.30	0.37	0.60	0.29	0.49	0.45	0.30	0.23	0.67	1
12. Tiring-exhausting	0.49	0.62	0.46	0.35	0.43	0.35	0.42	0.42	0.50	0.38	0.24	1
13. Sickening	0.50	0.34	0.40	0.36	0.23	0.71	0.31	0.33	0.33	0.50	0.49	0.43	1
14. Fearful	0.57	0.40	0.40	0.63	0.27	0.51	0.50	0.28	0.25	0.69	0.74	0.39	0.58	1
15. Punishing-cruel	0.32	0.39	0.44	0.44	0.54	0.29	0.42	0.40	0.27	0.44	0.35	0.50	0.21	0.39	1
16. Electric-shock pain	0.52	0.44	0.55	0.43	0.37	0.48	0.47	0.57	0.46	0.50	0.37	0.37	0.48	0.44	0.39	1
17. Cold-freezing pain	0.24	0.21	0.22	0.37	0.43	0.27	0.37	0.26	0.33	0.38	0.48	0.30	0.31	0.47	0.33	0.32	1
18. Piercing	0.50	0.53	0.68	0.64	0.33	0.33	0.61	0.47	0.30	0.58	0.48	0.45	0.27	0.57	0.62	0.49	0.38	1
19. Pain caused by light touch	0.52	0.53	0.51	0.44	0.27	0.41	0.31	0.46	0.31	0.33	0.45	0.36	0.40	0.46	0.30	0.49	0.30	0.45	1
20. Itching	0.63	0.55	0.44	0.34	0.33	0.32	0.47	0.40	0.28	0.31	0.26	0.51	0.37	0.42	0.28	0.53	0.37	0.48	0.47	1
21. Tingling or ‘pins and needles'	0.52	0.51	0.43	0.40	0.46	0.35	0.51	0.45	0.40	0.30	0.27	0.42	0.31	0.33	0.35	0.46	0.34	0.39	0.39	0.53	1
22. Numbness	0.36	0.36	0.43	0.25	0.56	0.31	0.47	0.35	0.50	0.24	0.22	0.41	0.30	0.26	0.43	0.52	0.34	0.43	0.32	0.37	0.63	1