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Table 3 Prevalence of underweight, overweight and obesity diagnosed according to IOTF (Body weight status) and according to McCarthy criteria (Body fat status), and association between body composition parameters and genetic factors in girls

From: FTO and MC4R polymorphisms, and selected pre-, peri- and postnatal factors as determinants of body mass index and fatness in children: a thorough analysis of the associations

Variable

 

Body mass status

Body fat status

 

BMI z scores

FMI z scores

FFMI z scores

FatM z scores

n

 

Underweight

Proper weight

Overweight

Obesity

n

Underweight

Proper weight

Overweight

Obesity

 

\(\overline{x }\)

SD

\(\overline{x }\)

SD

\(\overline{x }\)

SD

\(\overline{x }\)

SD

FTO

218

    

217

            

AA

  

7

32

4

0

 

32

8

3

32

 

0.09

0.96

-0.22

0.72

-0.02

0.63

-0.17

0.72

   

3.21%

14.68%

1.83%

0,00%

 

14.75%

3.69%

1.38%

14.75%

         

AT

  

6

69

15

10

 

71

11

17

71

 

0.44

1.17

0.11

1.06

0.08

0.75

0.18

1.11

   

2.75%

31.65%

6.88%

4.59%

 

32.72%

5.07%

7.83%

32.72%

         

TT

  

15

47

10

3

 

63

5

7

63

 

0.03

1.18

-0.24

0.83

0.07

0.95

-0.15

0.91

   

6.88%

21.56%

4.59%

1.38%

 

29.03%

2.3%

3.23%

29.03%

         
  

χ2

14.14

    

7.79

   

F

3.17

3.75

0.28

3.41

  

p

0.03

    

0.10

   

p

0.04

0.03

0.76

0.03

             

AT vs TTa

no differencesa

  

AT vs TTa

MC4R

218

   

217

            

CC

  

2

8

2

2

 

10

1

3

10

 

0.62

1.44

0.49

1.51

0.26

1.07

0.64

1.69

   

0.92%

3.67%

0.92%

0.92%

 

4.61%

0.46%

1.38%

4.61%

         

CT

  

10

50

7

5

 

55

9

8

55

 

0.26

1.16

-0.08

092

0.12

0.87

-0.05

0.92

   

4.59%

22.94%

3.21%

2.29%

 

25.35%

4.15%

3.69%

25.35%

         

TT

  

16

90

20

6

 

101

14

16

101

 

0.18

1.11

-0.13

0.86

0.002

0.73

-0.04

0.90

   

7.34%

41.28%

9.17%

2.75%

 

46.54%

6.45%

7.37%

46.54%

         
  

χ2

3.63

    

1.42

   

F

0.93

2.81

1.00

3.24

  

p

0.73

    

0.84

   

p

0.40

0.06

0.40

0.04

                   

CC vs TTa

  1. \(\overline{x }\) – mean, BMI Body Mass Index, FMI Fat Mass Index, FFMI Fat Free Mass Index, FatM Fat Mass in kg
  2. a significant differences in the post hoc test