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Table 2 Incidence of four weight status categories (underweight, normal weight, overweight and obesity) using age- and gender-specific BMI cut-offs from the Centres for Disease Control and Prevention (CDC), International Obesity Task Force (IOTF), World Health Organization (WHO) and the study group in the girls of Punjab; (n = 10,050)

From: BMI status relative to international and national growth references among Pakistani school-age girls

CDC reference

BMI Status Categories

8 y

9 y

10 y

11 y

12 y

13 y

14 y

15 y

16 y

Overall

Underweight (%)

35.7

34.8

23.7

24

19.6

18.7

22.4

21.9

29.4

23.9

Normal weight (%)

56.1

60.1

66.4

69.5

74.7

74.8

71.2

69.3

62.9

68.9

Overweight (%)

4.3

3.6

7.7

5.2

3.5

5.7

4.6

6.2

6.1

5.3

Obese (%)

3.9

1.5

2.2

1.3

2.2

0.9

1.8

2.5

1.7

1.9

IOTF reference

Underweight (%)

19.3

22.8

18.3

18.5

15.2

13.9

7

12.9

13.9

14.5

Normal weight (%)

72.4

70.6

72.4

72.4

77.1

77.4

83.6

78.7

76.3

76.8

Overweight (%)

4.8

5.1

7.8

7.8

6.5

7.7

8

6.9

8.2

7.3

Obese (%)

3.5

1.5

1.5

1.3

1.2

1.1

1.5

1.4

1.7

1.5

WHO reference

Underweight (%)

17

22.8

20

19.8

16.8

14.5

13.3

10.7

11.3

15.2

Normal weight (%)

73

69.3

68.2

68.4

73.9

75.1

76.4

80

78.4

74.6

Overweight (%)

6.3

5.6

9.5

9.2

7.2

8.2

8.1

7.5

8.3

7.9

Obese (%)

3.7

2.3

2.2

2.7

2.2

2.2

2.2

1.8

2

2.2

Study group reference

Underweight (%)

5

4.29

4.59

4.08

4.44

4.35

5.09

4

3.77

4.37

Normal weight (%)

80.87

81.68

79.03

80.82

80.9

80.97

80.32

82.95

80.91

81

Overweight (%)

7.39

9.9

11.19

9.08

9.43

8.96

8.59

7.79

8.83

8.97

Obese (%)

6.74

4.13

5.18

6.02

5.22

5.72

6.01

5.26

6.49

5.67