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Table 3 The inter-item correlations (r) of the Satisfaction with back and shoulder function scale

From: Validation and reliability testing of the Breast-Q latissimus dorsi questionnaire: cross-cultural adaptation and psychometric properties in a Swedish population

 

Qa

Qb

Qc

Qd

Qe

Qf

Qg

Qh

Qi

Qj

Qk

Qa

1.0

          

Qb

0.84*

1.0

         

Qc

0.60*

0.62*

1.0

        

Qd

0.52*

0.40*

0.55*

1.0

       

Qe

0.50*

0.42*

0.60*

0.85*

1.0

      

Qf

0.50*

0.49*

0.56*

0.69*

0.74*

1.0

     

Qg

0.61*

0.53*

0.72*

0.75*

0.79*

0.79*

1.0

    

Qh

0.58*

0.46*

0.58*

0.59*

0.67*

0.63*

0.67*

1.0

   

Qi

0.54*

0.48*

0.65*

0.56*

0.64*

0.58*

0.68*

0.80*

1.0

  

Qj

0.48*

0.43*

0.43*

0.73*

0.75*

0.70*

0.74*

0.70*

0.73*

1.0

 

Qk

0.48*

0.50*

0.50*

0.67*

0.72*

0.80*

0.76*

0.57*

0.60*

0.73*

1.0

  1. Q question
  2. *p < 0.0001
  3. aShoulder stiffness
  4. bShoulder pain
  5. cBack pain
  6. dDifficulty doing activities, arms above head
  7. eDifficulty doing activities, arms outstretched
  8. fWeakness in arm
  9. gDifficulty, repeat use of shoulder/back muscles
  10. hTightness when you stretch your arm
  11. iA pulling feeling in back
  12. jDifficulty reaching for objects
  13. kDifficulty carrying heavy objects