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Table 4 Item-factor loading matrices for section I.

From: An examination of the psychometric structure of the Multidimensional Pain Inventory in temporomandibular disorder patients: a confirmatory factor analysis

Items

I

II

III

IV

V

3. Affects ability to work

.73***

    

4. Affects the amount of satisfaction from social activities

.74***

    

8. Affects ability to participate in social activities

.59***

    

9. Affects the amount of satisfaction from family related activities

.73***

    

12. Amount of suffering experienced because of pain

.37**

    

13. Affects family and marital relationships

.65***

    

14. Affects the amount of satisfaction from work

1.0***

    

16. Ability to deal with problems during the past week

-.25*

    

17. Affects ability to do household chores

.67 (e.f)

    

5. Supportiveness of spouse in relation to pain problem

 

.70***

   

10. Amount of spouse worry regarding pain problem

 

.62***

   

15. Degree of spouse attentiveness to pain problem

 

1.0 (e.f)

   

1. Level of pain at the present moment

  

.84 (e.f)

  

7. Severity of pain during the past week

  

.71***

  

18. Degree of irritability during the past week

   

.82 (e.f)

 

20. Amount of tension or anxiety during the past week

   

.75 ***

 

2. Interference with daily activities

    

1.0 (e.f)

  1. NOTE: *p ≤ .05 ** p ≤ .01 *** p ≤ .001;
  2. e.f = effect fixed.