Psychometric evaluation of the Swedish version of the 30-item endometriosis health profile (EHP-30)

BMC Women's Health

Table 3 Factor analysis: factor loadings for EHP-30

Item	Loading factor 1	Loading factor 2	Loading factor 3	Loading factor 4	Loading factor 5
Pain scale
1. Unable to go to social events	0.73
2. Unable to do jobs around the home	0.75
3. Found it difficult to stand	0.80
4. Found it difficult to sit	0.75
5. Found it difficult to walk	0.83
6. Found it difficult to exercise/leisure activities	0.80
7. Lost appetite/unable to eat	0.72
8. Unable to sleep properly	0.65
9. Had to go to bed/lie down	0.78
10. Unable to do the things you want to do	0.83
11. Felt unable to cope with the pain	0.71
Control and Powerlessness scale
1. Generally felt uncomfortable	0.44		0.41		0.43
2. Symptoms not getting better	0.43		0.69
3. Not able to control symptoms			0.66
4. Unable to forget symptoms			0.79
5. Symptoms ruling life			0.76
6. Symptoms taking away life			0.66
Emotional Wellbeing scale
1. Felt depressed		0.68
2. Felt weepy/tearful		0.73
3. Felt miserable		0.56			0.46
4. Had mood swings		0.82
5. Felt bad or short-tempered		0.78
6. Felt violent or aggressive		0.77
Social Support scale
1. Unable to tell people how you feel		0.47		0.58
2. Felt others do not understand				0.65
3. Others think you are moaning			0.40	0.57
4. Felt alone		0.49		0.46
Self-Image scale
1. Cannot wear clothes you choose				0.76
2. Appearance has been affected				0.78
3. Lacked confidence		0.46		0.63

ISSN: 1472-6874