. 2010 Jul 2;8:64. doi: 10.1186/1477-7525-8-64

Table 4.

EPBD Validity Correlations

	Pelvic Pain		Dysmenorrhea		Dyspareunia	Pain Interference
	Intermittent	Continuous	Intermittent	Continuous
Visit 2 B&B
Pelvic Pain	0.20	0.35^‡	0.19	0.32^†	0.27*	0.39^‡
Dysmenorrhea	0.20	0.28*	0.29*	0.29*	0.21	0.32^†
Deep Dyspareunia	0.28*	0.36^†	0.24	0.15	0.54^‡	0.31*

Visit 2 EHP-30
Control/Powerlessness	0.38^‡	0.45^‡	0.33^†	0.38^‡	0.30*	0.52^‡
Emotional Well-being	0.29*	0.35^‡	0.28*	0.28*	0.27*	0.48^‡
Pain	0.42^‡	0.54^‡	0.44^‡	0.56^‡	0.41^‡	0.65^‡
Self-Image	0.27*	0.34^†	0.26*	0.32^†	0.26*	0.44^‡
Social Support	0.37^‡	0.38^‡	0.35^‡	0.28*	0.32*	0.46^‡

Visit 2 Modified BPI-SF
Interference	0.51^‡	0.59^‡	0.50^‡	0.47^‡	0.34^†	0.73^‡
Intensity	0.61^‡	0.61^‡	0.56^‡	0.55^‡	0.46^‡	0.70^‡

EPBD = Endometriosis Pain and Bleeding Diary; B&B = Biberoglu and Behrman Scale;

EHP-30 = Endometriosis Health Profile-30; BPI-SF = Brief Pain Inventory - Short Form

*p < 0.01, ^†p < 0.001, ^‡p < 0.0001