Table 1 Demographic and Clinical Characteristics of Participants

Age, years

 Mean (SD)

 Range

81.9 (4.9)

71 – 96

81.7 (4.9)

71 – 96

82.3 (4.9)

74 – 92

t(86) = -0.65

p = .52

Sex, female

 Frequencies (%)

74 (70%)

44 (69%)

30 (73%)

Χ² = 0.23

p = .67

Education, years

 Mean (SD)

 Range

12.9 (1.8)

6 – 17

13.1 (1.9)

6 – 17

12.9 (1.8)

6 – 17

t(89) = 0.58

p = .57

Children

 Median (IQR)

 Range

2 (2)

0—9

2 (2)

0—9

2 (2)

0—6

t(93) = -0.78

p = .43

Comorbidities

 Median (IQR)

 Range

5 (3)

1 – 13

5 (3)

1 – 13

5.5 (3)

2 – 12

t(87) = -0.67

p = .51

MMSE

 Mean (SD)

 Range

24.4 (2.8)

19 – 30

25.6 (2.3)

20 – 30

22.5 (2.3)

19 – 27

t(87) = 6.70

p < .001

CAMCOG total

 Mean (SD)

 Range

78.9 (7.9)

50 – 95

82.7 (5.6)

72 – 95

73.3 (7.8)

50 – 87

t(67) = 6.75

p < .001