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Table 3 Prevalence of obesity of school-aged children based on the WHO and IOTF growth references, in the analytical dataset, El Salvador, 2015/2016

From: Overweight and obesity of school-age children in El Salvador according to two international systems: a population-based multilevel and spatial analysis

Characteristic

Prevalence (%) [95%CI]

Difference

Prevalence (%) [95%CI]

Difference

 

WHO

IOTF

WHO - IOTF

WHO

IOTF

WHO - IOTF

 

Boys

Boys

 

Girls

Girls

 

Place of residence

 Urban

20.3 [19.0–21.6]

12.3 [11.4–13.4]

8.0

15.2 [14.3–16.1]

11.7 [11.0–12.4]

3.5

 Rural

11.3 [10.5–12.1]

6.3 [5.7–6.9]

5.0

8.5 [7.9–9.2]

6.3 [5.8–6.9]

2.2

School type

 Public

13.5 [12.7–14.3]

7.7 [7.2–8.3]

5.8

10.2 [9.6–10.9]

7.7 [7.2–8.2]

2.5

 Private

26.7 [25.5–28.0]

17.4 [16.2–18.5]

9.3

20.1 [19.1–21.2]

15.7 [14.7–16.6]

4.4

Child age in years

 6.0 to 6.9

16.9 [15.8–17.9]

10.1 [9.3–10.8]

6.8

12.8 [11.9–13.7]

10.4 [9.6–112.4]

2.4

 7.0 to 7.9

15.9 [14.4–17.4]

9.4 [8.4–10.5]

6.5

12.0 [10.9–13.2]

9.0 [8.2–10.0]

3.0

 8.0 to 8.9

11.5 [9.9–13.3]

6.1 [5.0–7.4]

5.4

7.9 [6.8–9.2]

5.2 [4.4–6.1]

2.7

 9.0 to 9.9

10.8 [9.2–12.5]

5.5 [4.4–6.9]

5.3

5.2 [3.9–7.0]

2.9 [2.0–4.1]

2.3