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Table 2 Reliability analyses

From: Usefulness scale for patient information material (USE) - development and psychometric properties

Item Discrimination (corrected item-total correlation) α of the total scale Subscales Discrimination (corrected item-subscale correlation) α of the subscales
1 0.75 0.94 Cognitive 0.71 0.84
2 0.69    0.69  
3 0.67    0.71  
4 0.67   Emotional 0.80 0.94
5 0.83    0.92  
6 0.86    0.89  
7 0.86   Behavioral 0.82 0.91
8 0.83    0.86  
9 0.75    0.80  
  1. Note. α refers to Cronbach’s α; mean = mean score; SD = standard deviation.