Evaluating Voting Competence in Persons with Alzheimer Disease

Table 4

Competence Assessment Tool for Voting (CAT-V) scoring criteria, interrater, and test-retest reliabilities.

		𝑁	Cohen Kappa	Kendall tau-b	𝑃 value
Interrater reliability*	Understanding and choosing	30	0.65	0.7	0.0001
	Reasoning	30	0.41	0.65	0.0001
Test-retest reliability^#	Understanding and choosing	29	0.42	0.65	0.0001
	Reasoning	29	0.22	0.57	0.0001

*Determined in the first 30 of the 38 patients enrolled in the study.
^#Retest was administered only to patients not yet discharged from our center after two weeks (29/38).