The Erlangen test of activities of daily living in persons with mild dementia or mild cognitive impairment (ETAM) – an extended validation

Table 2 Item characteristics of the ETAM

Characteristics	Making tea	Alarm clock	Pill organizer	Finances	Traffic situations	Phone call	ETAM total score
Score Range	0–3	0–3	0–6	0–6	0–6	0–6	0–30
Mean (SD)
Total	2.3 (1.0)	2.2 (0.9)	3.7 (2.3)	3.6 (2.0)	3.3 (1.9)	2.4 (1.8)	17.3 (7.2)
MCI	2.5 (0.8)	2.7 (0.6)	5.3 (1.4)	5.0 (1.5)	4.2 (1.6)	3.6 (1.7)	23.2 (4.7)
Mild dementia	2.4 (0.9)	2.3 (0.9)	4.0 (2.1)	3.7 (1.9)	3.5 (1.7)	2.5 (1.7)	18.4 (6.2)
Moderate dementia	2.0 (1.1)	1.7 (1.0)	2.5 (2.3)	2.7 (2.0)	2.5 (1.9)	1.6 (1.5)	12.9 (6.7)
Discriminatory power
Total	.49	.53	.59	.61	.54	.64
MCI	.37	.25	.35	.44	.42	.40
Mild dementia	.50	.45	.46	.46	.51	.56
Moderate dementia	.45	.42	.50	.59	.39	.63
Difficulty
Total	.67	.61	.53	.47	.39	.25
MCI	.77	.83	.83	.44	.57	.44
Mild dementia	.71	.66	.58	.48	.42	.25
Moderate dementia	.56	.43	.31	.31	.27	.13
Cronbach’s alpha if item deleted
Total	.78	.77	.75	.74	.76	.73
MCI	.60	.62	.59	.55	.56	.57
Mild dementia	.69	.70	.70	.69	.67	.65
Moderate dementia	.72	.72	.70	.66	.73	.66

N = 443; n(MCI) = 91; n(mild dementia) = 186; n(moderate dementia) = 166
MCI: MMSE score 24–30; mild dementia: MMSE score 18–23; moderate dementia: MMSE score 10–17

ISSN: 1471-244X