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Table 2 Item analysis of the E-ADL-Test

From: Activities of daily living in dementia: revalidation of the E-ADL test and suggestions for further development

  Total Mild dementia1 Moderate dementia2 Severe dementia3 Moderate and severe
n = 139 n = 52 n = 63 n = 24 n = 87
Item p rit p rit p rit p rit p rit
1 .87 .36 .91 -.05 .88 .43 .77 .33 .85 .41
2 .72 .50 .83 .25 .67 .50 .61 .47 .65 .50
3 .80 .44 .89 .15 .80 .36 .63 .61 .75 .50
4 .80 .51 .90 .37 .80 .41 .60 .49 .74 .49
5 .68 .51 .86 .19 .67 .39 .34 .61 .58 .51
  1. p = difficulty index; r it = discrimination power.
  2. 1MMSE-score: 18 to 23; 2MMSE-score: 10 to 17; 3MMSE-score: 0 to 9.