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Table 1 Participant and informant characteristics

From: Cross-cultural adaptation and validation of the Amsterdam Instrumental Activities of Daily Living questionnaire short version German for Switzerland

 

Participants (n = 96)

Informants (n = 96)

 

Memory clinic (n = 56)

Community (n = 40)

p value

Memory clinic (n = 56)

Community (n = 40)

p value

Age

74.08 (6.77)

77.04 (6.13)

69.95 (5.34)

p < 0.001

64.73 (15.3)

64.5 (11.66)

p = 0.9

(range)

(60–89)

(62–89)

(60–83)

 

(30–89)

(34–83)

 

Female (%)

44 (45.8%)

25 (44.6%)

19 (47.5%)

p = 0.9

38 (67.8%)

27 (67.5%)

p = 1

Level of educationa

1; 7 (7%)

1; 6 (10%)

1; 1 (2.5%)

p < 0.01

1; 5 (11%)

1; 2 (5%)

p = 0.4

 

2; 54 (57%)

2; 38 (67.5%)

2; 17 (42.5%)

 

2; 32 (57%)

2; 19 (47.5%)

 
 

3; 24 (25%)

3; 10 (18%)

3; 14 (35%)

 

3; 15 (27%)

3; 16 (40%)

 
 

4; 5 (5%)

4; 0 (0%)

4; 5 (12.5%)

 

4; 3 (5%)

4; 3 (7.5%)

 
 

5; 5 (5%)

5; 2 (3.5%)

5; 3 (7.5%)

 

5; 1 (2%)

5; 0

 

Diagnosis

 

MCI 27 (48%)

NC 40 (100%)

 

NA

NA

 
  

MD 26 (46%)

     
  

NC 3 (6%)

     

Relationship spouse

    

32 (57.1%)

31 (77.5%)

p < 0.01

Duration (> 10 years)

    

55 (98%)

38 (95%)

p = 0.7

Living together

    

32 (57%)

30 (75%)

p < 0.01

A-IADL-Q-SV

       

 T-score

59.89 (9.29)

54.71 (8.37)

67.13 (4.41)

p < 0.001

   

 Latent Trait score

− 0.99 (0.93)

− 0.47 (0.84)

− 1.71 (0.44)

p < 0.001

   

Clinical measures

 MMSE

 

25.05 (2.94)

NA

    

 CDR Median (IQR)

 

0.5 (0.5)

NA

    

 IQCODE

 

3.69 (0.51)

NA

    

 Lawton Brodyb

 

39 (74%)

NA

    

 DIA-S Median (IQR)

 

2 (3)

NA

    

 mTICS

 

NA

37.0 (3.75)

    
  1. Values are means (standard deviation), medians (interquartile range) or frequencies. p-values based on Welch two sample t-tests or Pearson’s Chi-square tests
  2. A-IADL-Q-SV Amsterdam Instrumental Activities of Daily Living Questionnaire Short, MMSE Mini Mental State Examination, CDR Cumulative Dementia Rating, IQCODE Informant Questionnaire for Cognitive Decline in the Elderly, DIA-S Depression in old age scale, mTICS modified Telephone Interview for Cognitive Status, MCI mild cognitive impairment, MD mild dementia, NC normal cognition, NA not applicable
  3. aLevel of education in accordance to the international standard classification of education: ISCED (1 = ISCED 2, 2 = ISCED 3–5, 3 = ISCED 6, 4 = ISCED 7, 5 = ISCED 8)
  4. bDichotomized impaired/non impaired
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