Table 3 The relationship between the Taq1A alleles in those with a BMI between 30 and 40 kg m−2

From: A meta-analysis of the relationship between brain dopamine receptors and obesity: a matter of changes in behavior rather than food addiction?

 

Sample

Age

N

BMI

A1/A1

BMI

A1/A2

BMI

A2/A2

%

A1/A1

%

A1/A2

%

A2/A2

Noble et al.40

Obese BMI >28

37.2 Years

73

37.5

34.8

NS

34.9

37.5%

34.8%

34.9%

Blum et al.7

Control BMI 21.0

Obese/ 23 with and 17 without drug abuse BMI 32.5

43.1 Years

43.9 Years

20

40

33.1

32.3

NS

29.0

0%

10%

0%

42.5%

P<0.001

100%

47.5%

Jenkinson et al.41

Diabetic Pima Indians

35 Years

1259

35.4

35.2

NS

34.4

14.1%

46.7%

39.2%

Southon et al.38

Nauruan men

Leaner BMI 36.1

Heavier BMI 52.8

Nauruan women

Leaner BMI 34.8

Heavier BMI 55.1

41.9 Years

42.8 Years

40.2 Years

40.2 Years

 

NA

 

27%

40%

16%

13%

47%

30%

NS

42%

50%

NS

27%

30%

42%

38%

Barnard et al.42

Type 2 diabetics

Black

White

51 Years

59 Years

44

49

38.7

NS

32.5

NS

36.1

33.3

54.5%

47.0%

45.5%

53.0%

Davis et al.44

Obese BMI 38.7

Binge eating disorder BMI 38.6

35.6 Years

34.8 Years

151

79

NA

 

45%

30%

P<0.02

55%

70%

Cameron et al.43

Female BMI >27

57.1 Years

127

32.9

NS

33.1

52%

48%

  1. Abbreviations: BMI, body mass index (in kg m−2); NA, not available; NS, non-significant.