Normal Cognitive function

n = 64

MCI

n = 41

Dementia

n = 45

p

Age

59.07 ± 5.29

67.39 ± 5.30

71.42 ± 9.74

0.000

Marital status

0.061

Married

60 (93.8)

32 (78.0)

38 (84.4)

Unmarried

4 (6.3)

9 (22.0)

7 (15.6)

Gender

0.968

Men

33 (51.6)

22 (53.7)

23 (51.1)

Women

31 (48.4)

19 (46.3)

22 (48.9)

BMI

22.64 ± 1.27

22.42 ± 1.48

24.06 ± 1.98

0.070

Daily smoking

27 (42.2)

36 (87.8)

37 (82.2)

0.000

Daily drinking

11 (17.2)

15 (36.6)

15 (33.3)

0.052

Level of education

0.000

Illiteracy

3 (4.7)

6 (14.6)

12 (26.7)

Primary school

10 (15.6)

12 (29.3)

12. (26.7)

Junior high school

5 (7.8)

8 (19.5)

8 (17.8)

High school and technical secondary school

8 (12.5)

6 (14.6)

6 (13.3)

College and above

38 (59.4)

9 (22.0)

7 (15.6)