Skip to main content

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