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Table 5 Association* of the original NHP38 and the two alternative short-forms: the NHP20 and NHP22

From: Classical test theory versus Rasch analysis for quality of life questionnaire reduction

 

NHP20

NHP22

 

Total score

Emotional

Physical

Sleep

Pain

Total score

Physical

Psychological

Total NHP38

.97

.83

.82

.73

.76

.97

.88

.88

Energy

.77

.72

.69

.48

.60

.77

.76

.65

Pain

.84

.59

.80

.51

.91

.82

.88

.61

Emotional Reactions

.79

.92

.52

.58

.53

.78

.59

.85

Sleep

.78

.56

.50

.98

.53

.73

.55

.79

Social Isolation

.54

.59

.39

.37

.39

.61

.47

.66

Physical Mobility

.82

.58

.94

.47

.65

.84

.93

.60

Total NHP20

-

-

-

-

-

-

-

-

Emotional

.83

-

-

-

-

-

-

-

Physical

.84

.56

-

-

-

-

-

-

Sleep

.76

.56

.48

-

-

-

-

-

Pain

.79

.56

.66

.51

-

-

-

-

Total NHP22

.95

.82

.82

.71

.76

-

-

-

Physical

.88

.63

.91

.52

.80

.91

-

-

Psychological

.87

.87

.58

.78

.59

.88

.65

-

  1. * Spearman's Correlation Coefficients
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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