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Table 2 Factor loadings

From: Impaired psychological recovery in the elderly after the Niigata-Chuetsu Earthquake in Japan:a population-based study

 

GHQ-12 items

GHQ

Likert

C-GHQ

  

F1

F2

F1

F2

F1

F2

 

1. Able to concentrate

0.68

-

0.66

-

0.66

-

 

2. Lost much sleep

-

0.62

-

0.65

-

0.62

 

3. Playing a useful part

0.69

-

0.71

-

0.70

-

 

4. Capable of making decisions

0.77

-

0.81

-

0.75

-

 

5. Under stress

-

0.71

-

0.76

-

0.76

 

6. Could not overcome difficulties

-

0.69

-

0.71

-

0.75

Before earthquake

7. Enjoy normal activities

0.76

-

0.72

-

0.78

-

 

8. Face up to problems

0.72

-

0.77

-

0.74

-

 

9. Feeling unhappy and depressed

-

0.82

-

0.84

-

0.81

 

10. Losing confidence

-

0.72

-

0.78

-

0.81

 

11. Thinking of self as worthless

-

0.48

-

0.52

-

0.58

 

12. Feeling reasonably happy

-

-

-

-

-

-

 

Inter-factor correlation

0.43

0.43

0.13

 

1. Able to concentrate

0.76

-

0.73

-

0.76

-

 

2. Lost much sleep

-

0.55

-

0.63

-

0.59

 

3. Playing a useful part

0.73

-

0.79

-

0.80

-

 

4. Capable of making decisions

0.77

-

0.81

-

0.81

-

 

5. Under stress

-

0.58

-

0.78

-

0.79

 

6. Could not overcome difficulties

-

0.66

-

0.73

-

0.82

Most stressful time

7. Enjoy normal activities

0.80

-

0.69

-

0.80

-

 

8. Face up to problems

0.83

-

0.84

-

0.85

-

 

9. Feeling unhappy and depressed

-

0.84

-

0.89

-

0.85

 

10. Losing confidence

-

0.78

-

0.76

-

0.82

 

11. Thinking of self as worthless

-

0.49

-

0.48

-

0.48

 

12. Feeling reasonably happy

-

-

-

-

-

-

 

Inter-factor correlation

0.74

0.71

0.40

 

1. Able to concentrate

0.77

-

0.73

-

0.77

-

 

2. Lost much sleep

-

0.70

-

0.72

-

0.63

 

3. Playing a useful part

0.82

-

0.79

-

0.82

-

 

4. Capable of making decisions

0.83

-

0.81

-

0.84

-

 

5. Under stress

-

0.78

-

0.82

-

0.76

 

6. Could not overcome difficulties

-

0.66

-

0.77

-

0.80

Now

7. Enjoy normal activities

0.73

-

0.71

-

0.80

-

 

8. Face up to problems

0.78

-

0.77

-

0.83

-

 

9. Feeling unhappy and depressed

-

0.85

-

0.91

-

0.86

 

10. Losing confidence

-

0.72

-

0.85

-

0.86

 

11. Thinking of self as worthless

-

0.40

-

0.47

-

0.55

 

12. Feeling reasonably happy

-

-

-

-

-

-

 

Inter-factor correlation

0.73

0.70

0.30

  1. Factor analysis was conducted for GHQ-12 scores at three points of time. GHQ-12 was scored by using the three different methods.
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BMC Public Health

ISSN: 1471-2458

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