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Table 2 Factor structure of the GHQ-12 using principal component analysis with oblique rotation solution

From: The 12-item General Health Questionnaire (GHQ-12): translation and validation study of the Iranian version

 

Factor 1

Factor 2

GHQ-12 Items

  

1. Able to concentrate

0.57

-

2. Lost much sleep

-

0.69

3. Playing useful part

0.81

-

4. Capable of making decisions

0.56

-

5. Under stress

-

0.68

6. Could not overcome difficulties

-

0.62

7. Enjoy normal activities

0.57

0.46

8. Face up to problems

0.64

-

9. Feeling unhappy and depressed

-

0.64

10. Losing confidence

0.62

-

11. Thinking of self as worthless

0.79

-

12. Feeling reasonably happy

-

0.56