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Table 3 The study population according to age groups, BMI cut-offs, and overweight children

From: The relationship between paediatric foot posture and body mass index: do heavier children really have flatter feet?

Age

No. children

BMI – cut off points/age (IOTF)

No. overweight children (mean FPI)

No. overweight children with flatfeet for each FPI-6 cut-off

 

Male

Female

 

+6

+8

+10

3

21

17.89

17.56

5 (7.0)

3

3

0

4

23

17.55

17.28

1 (3.0)

0

0

0

5

40

17.42

17.15

10 (2.6)

0

0

0

6

37

17.55

17.34

11 (5.7)

3

1

1

7

31

17.92

17.75

11 (5.7)

4

1

1

8

176

18.44

18.35

63 (3.6)

10

1

0

9

63

19.10

19.07

67 (3.9)

16

3

1

10

110

19.84

19.86

37 (4.8)

11

8

4

11

126

20.55

20.74

39 (4.9)

17

11

1

12

80

21.22

21.68

24 (4.3)

9

7

1

13

13

21.91

22.58

4 (4.0)

1

1

0

14

6

22.62

23.34

0

0

0

0

15

1

23.29

23.94

0

0

0

0

Total no. children

728

-

-

272

74

36

9

  1. The overweight children with flatfeet tapered at each FPI cut-off level: 74 (10.1 %) at FPI ≥ +6, 36 (4.9 %) at FPI ≥ +8, and 9 (1.2 %) at FPI ≥ +10