Table 2 Distribution of APOE genotypes by demographic characteristics.

From: Regional analysis of APOE polymorphism in Alzheimer’s disease in Spain

 

Sex

Age

Educational level

Civil status

Residential area

Family history of AD

GENO

TYPE

Men (%)

Women (%)

Mean ± SD

No studies

Primary

Secondary

Higher

Single

Married

Widowed

Divorced

Separated

Rural

Urban

Yes

No

Unknown

ε2/ε2

                 

ε2/ε3

3

11

84.38 ± 7.68

2

7

0

2

0

4

8

0

0

1

12

7

5

0

ε2/ε4

1

2

89.00 ± 1.00

0

3

0

0

0

2

1

0

0

0

3

0

2

0

ε3/ε3

32

107

85.53 ± 7.58

2

79

7

9

6

49

74

0

1

42

88

41

54

3

ε3/ε4

24

65

82.10 ± 7.16

3

46

8

11

5

39

35

1

0

18

62

34

35

1

ε4/ε4

1

11

77.91 ± 4.97

0

6

1

3

1

5

5

0

0

2

9

5

5

0

p-value

0.646

 < 0.0001***

0.213

0.635

0.789

0.826

  1. Note: exact test for the variables of sex, educational level, residential area, marital status, and history of AD. ANOVA test for the variable of age. Abbreviation: AD: Alzheimer’s Disease.