Table 2 Some descriptive statistics of the scales (n = 380)

S-MMSE

13–31

23.84 ± 3.61

Katz ADL Scale

0–6

5.19 ± 1.35

Geriatric Depression Scale: Short Form

0–15

5.78 ± 4.58

n

%

S-MMSE

 Normal

231

60.8

 Mild dementia

121

31.8

 Severe dementia

28

7.4

Katz ADL Scale

 Fully independent

315

82.9

 Moderately dependent

31

8.2

 Severely addicted

34

8.9

Geriatric Depression Scale: Short Form

 No depression

196

51.6

 Mild depression

72

18.9

 Moderate depression

50

13.2

 Severe depression

62

16.3