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Table 5 The results of Cronbach's Alpha coefficient and item analysis of GPH and GMH

From: Assessing the validity and reliability of the Indonesian version of Patient-Reported Outcomes Measurement Information System (PROMIS) Global Health Scale v1.2

 

Reliability

(Cronbach's Alpha)

Corrected Item-Total Correlation

Cronbach's Alpha when an item is deleted

GPH

0.61

  

 Global03

 

0.46

0.49

 Global06

 

0.43

0.51

 Global07 recorded

 

0.42

0.51

 Global08

 

0.30

0.61

GMH

0.77

  

 Global02

 

0.58

0.71

 Global04

 

0.71

0.63

 Global05

 

0.58

0.72

 Global10

 

0.44

0.79

  1. GPH Global Physical Health, GMH Global Mental Health