Validity, Reliability, and Responsiveness of the Brief Pain Inventory in Inflammatory Bowel Disease

Table 4

Spearman correlation between individual BPI items and BPI dimensions.

BPI item	Ulcerative colitis ()		Crohn’s disease ()
	BPI intensity dimension	BPI interference dimension	BPI intensity dimension	BPI interference dimension
Pain worst	.93	.86	.92	.84
Pain least	.85	.69	.77	.63
Pain average	.92	.77	.88	.70
Pain now	.90	.79	.86	.74
General activity	.83	.95	.82	.94
Mood	.83	.93	.78	.94
Walking	.53	.67	.52	.61
Work	.75	.91	.74	.91
Relationship with others	.77	.89	.73	.88
Sleep	.71	.81	.70	.83
Enjoy	.79	.94	.75	.90

BPI: brief pain inventory. Highest correlation is in bold face.