Table 1 The association between the alleles of Taq1A and obesity in children and adolescents

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

Stice et al.19a

Adolescent girls

15.7 Years

27

22.0

NS

24.9

   

Ergun et al.20

Control BMI

Obese BMI (above 95th percentile)

Children age

NA

49

45

BMI (no detail)

NS

4.4%

6.2%

93.3%

93.8%

NS

2.3%

0%

Epstein et al.69

Children >85th percentile

10.3 Years

26

 

NA

 

38.5%

61.5%

Stice et al.21a

Adolescent girls

15.6 Years

32

23.3

NS

24.8

   

Duran-Gonzalez et al.25

Mexican Americans <85th – nonobese

>95th percentile weight – obese

16 Years

181

106

 

NA

 

34%

42%

NS

66%

58%

Araz et al.26

Obese BMI >30

Nonobese children

11.2 Years

100

100

 

NA

 

4.0%

7.0%

31.0%

26.0%

NS

65.0%

67.0%

Roth et al.22

Obese children

12 Years

451

26.5

27.2

NS

27.5

2.6%

27.6%

69.8%

Aksyonova et al.27

Normal weight

Obese BMI >30

4–17 Years

4–17 Years

164

70

 

NA

 

7.3%

8.6%

27.4%

24.3%

65.2%

67.1%

Hardman et al.23

Representative samples of population

11 Years

3720

18.9

19.0

NS

19.0

4.0%

31.6%

64.4%

Yokum et al.24

Adolescent girls

15.2 Years

15.3 Years

17

162

Average BMI 26.9

Average BMI 20.8

No details but BMI did not differ depending on allele

   
  1. Abbreviations: BMI, body mass index (in kg m−2); NA, not available; NS, non-significant.
  2. aThese BMI values are not presented in the paper but have been calculated from data points included in figures.