Early onset, n = 271

Genotype

Normal body mass, n = 84

Overweight, n = 87

Obesity, n = 100

n

%

n

%

n

%

Arg/Arg

19

22.6

18

20.7

35

35.0

Arg/Gly

30

35.7

44

50.6

31

31.0

Gly/Gly

35

41.7

25

28.7

34

34.0

χ² = 11.27; р = 0.02

Arg allele

40.5

46

50.5

Gly allele

59.5

54

49.5

Late onset, n = 282

Genotype

Normal body mass, n = 68

Overweight, n = 119

Obesity, n = 95

n

%

n

%

n

%

Arg/Arg

20

29.4

45

37.8

36

37.9

Arg/Gly

41

60.3

53

44.5

54

56.8

Gly/Gly

7

10.3

21

17.6

5

5.3

χ² = 10.66; р = 0.03

Arg allele

59.6

60.1

66.3

Gly allele

40.4

39.9

33.7