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Table 2 Factor and reliability analysis of items in the final version of the CaReQoL CHF

From: Measuring patient outcomes in chronic heart failure: psychometric properties of the Care-Related Quality of Life survey for Chronic Heart Failure (CaReQoL CHF)

Item

Factor loadings and item-rest correlation (if included in scale)

Social and emotional problems

Physical limitations

Being in safe hands

Factor loading (N = 249)

Item-rest correlation (summary α for scale = 0.93, N = 896)

Factor loading (N = 249)

Item-rest correlation (summary α for scale = 0.92, N = 935)

Factor loading (N = 249)

Item-rest correlation (summary α for scale = 0.74, N = 955)

Because of my heart condition…

 I do everything slower than I would like

  

0.86

0.71

  

 I don’t have much energy

  

0.82

0.72

  

 spontaneous activities are difficult

  

0.71

0.69

  

During the past 2 weeks…

 I was worried something might happen to my heart

0.78

0.69

    

 I have slept poorly because of my heart condition

0.70

0.67

    

 the hospital care made me feel safe

    

0.62

0.42

 I had the feeling that every day could be my last

0.73

0.68

    

During the past 2 weeks, my heart condition has meant…

 I had difficulty walking

  

0.85

0.77

  

 I had difficulty cycling

  

0.83

0.72

  

 I had difficulty with the housekeeping

  

0.77

0.78

  

 I had difficulty enjoying my family life

0.70

0.76

    

 I had difficulty in my contact with family or friends

0.59

0.71

    

 I had difficulty enjoying life

0.74

0.77

    

During the past 2 weeks, my heart condition has made me feel…

 miserable

0.82

0.79

    

 incapable of doing things

0.73

0.80

    

 irritable

0.70

0.69

    

 anxious

0.98

0.79

    

My care providers keep a close eye on me

    

0.72

0.49

I trust that medical help will arrive on time when needed

    

0.79

0.59

I am confident about the healthcare I receive

    

0.80

0.62