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Table 3 Distribution of BMI Z values for age among school children aging 61 to 131 months in North Central province, Sri Lanka by age and sex

From: Nutritional status among primary school children in rural Sri Lanka; a public health challenge for a country with high child health standards

Age (Months)

 

BMI-for-age (%)

  

N

< −3SD

(95% CI)

<−2SD

(95% CI)

> +1SD

(95% CI)

> +2SD

(95% CI)

> +3SD

(95% CI)

Mean

SD

Male

 (61–71)

202

8.9

(4.7%, 13.1%)

29.2

(22.7%, 35.7%)

0.5

(0%, 1.7%)

0

(0%, 0.2%)

0

(0%, 0.2%)

−1.52

0.98

 (72–83)

559

7.2

(4.9%, 9.4%)

26.3

(22.6%, 30%)

2.7

(1.3%, 4.1%)

1.4

(0.4%, 2.5%)

0.4

(0%, 0.9%)

−1.39

1.12

 (84–95)

468

10.3

(7.4%, 13.1%)

31.8

(27.5%, 36.2%)

4.9

(2.8%, 7%)

2.6

(1%, 4.1%)

1.1

(0%, 2.1%)

−1.38

1.37

 (96–107)

431

9.3

(6.4%, 12.1%)

30.6

(26.2%, 35.1%)

7.9

(5.2%, 10.5%)

4.6

(2.5%, 6.7%)

2.3

(0.8%, 3.9%)

−1.26

1.57

 (108–119)

403

9.9

(6.9%, 13%)

33.5

(28.8%, 38.2%)

7.2

(4.5%, 9.8%)

2.7

(1%, 4.4%)

0.7

(0%, 1.7%)

−1.28

1.44

 (120–131)

163

14.7

(9%, 20.5%)

39.9

(32.1%, 47.7%)

6.1

(2.1%, 10.1%)

1.8

(0%, 4.2%)

0

(0%, 0.3%)

−1.5

1.46

Female

 (61–71)

181

1.7

(0%, 3.8%)

22.1

(15.8%, 28.4%)

2.8

(0.1%, 5.4%)

1.1

(0%, 2.9%)

0

(0%, 0.3%)

−1.27

0.98

 (72–83)

499

3.8

(2%, 5.6%)

23.6

(19.8%, 27.5%)

3.8

(2%, 5.6%)

1.6

(0.4%, 2.8%)

1

(0%, 2%)

−1.25

1.18

 (84–95)

440

4.5

(2.5%, 6.6%)

26.4

(22.1%, 30.6%)

5.2

(3%, 7.4%)

2.3

(0.8%, 3.8%)

1.1

(0%, 2.2%)

−1.25

1.26

 (96–107)

449

5.6

(3.3%, 7.8%)

26.1

(21.9%, 30.2%)

5.8

(3.5%, 8.1%)

1.8

(0.4%, 3.1%)

1.1

(0%, 2.2%)

−1.18

1.33

 (108–119)

416

6.5

(4%, 9%)

26.7

(22.3%, 31.1%)

5.5

(3.2%, 7.8%)

1

(0%, 2%)

0.7

(0%, 1.7%)

−1.24

1.28

 (120–131)

174

7.5

(3.3%, 11.7%)

32.2

(25%, 39.4%)

7.5

(3.3%, 11.7%)

1.7

(0%, 3.9%)

0

(0%, 0.3%)

−1.29

1.36

Total

 (61–71)

383

5.5

(3.1%, 7.9%)

25.8

(21.3%, 30.4%)

1.6

(0.2%, 2.9%)

0.5

(0%, 1.4%)

0

(0%, 0.1%)

−1.4

0.99

 (72–83)

1058

5.6

(4.1%, 7%)

25.0

(22.4%, 27.7%)

3.2

(2.1%, 4.3%)

1.5

(0.7%, 2.3%)

0.7

(0.1%, 1.2%)

−1.33

1.15

 (84–95)

908

7.5

(5.7%, 9.3%)

29.2

(26.2%, 32.2%)

5.1

(3.6%, 6.5%)

2.4

(1.4%, 3.5%)

1.1

(0.4%, 1.8%)

−1.32

1.32

 (96–107)

880

7.4

(5.6%, 9.2%)

28.3

(25.3%, 31.3%)

6.8

(5.1%, 8.5%)

3.2

(2%, 4.4%)

1.7

(0.8%, 2.6%)

−1.22

1.45

 (108–119)

819

8.2

(6.2%, 10.1%)

30.0

(26.8%, 33.2%)

6.3

(4.6%, 8.1%)

1.8

(0.9%, 2.8%)

0.7

(0.1%, 1.4%)

−1.26

1.36

 (120–131)

337

11.0

(7.5%, 14.5%)

35.9

(30.6%, 41.2%)

6.8

(4%, 9.7%)

1.8

(0.2%, 3.3%)

0

(0%, 0.1%)

−1.39

1.41