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Table 3 Estimated prevalence of overweight by area, sex and age sub-cohort during the follow-up from 2013 to 2016

From: Prevalence and incidence of overweight and obesity among Vietnamese preschool children: a longitudinal cohort study

 

Age sub-cohort

Number of children

Baseline

%

95% CI

One year older

%

95% CI

Three years older

%

95% CI

Difference

(2016–2013)

All children

 

2602

9.1

8.0–10.2

11.0

9.8–12.2

16.7

15.3–18.2

7.6b***

Urban total

 

1311

13.3a***

11.5–15.2

17.4a***

15.3–19.4

25.6a***

23.2–27.9

12.3b***

Urban boys

3 years

169

7.1

3.2–11.0

10.1

5.5–14.6

22.5

16.1–28.8

15.4b***

4 years

242

12.0

7.9–16.1

16.5

11.8–21.2

23.6

18.2–28.9

11.6b***

5 years

232

21.6

16.2–26.9

19.8

14.7–25.0

32.8

26.7–38.8

11.2b**

6 years

56

17.9

7.5–28.2

21.4

10.3–32.5

16.1

6.1–26.0

−1.8

Urban girls

3 years

140

12.1

6.7–17.6

17.9

11.4–24.3

32.1

24.3–40.0

20.0b***

4 years

197

9.6

5.5–13.8

19.3

13.7–24.8

28.4

22.1–34.8

18.8b***

5 years

228

14.5

9.9–19.1

19.3

14.1–24.5

18.9

13.7–24.0

4.4

6 years

47

10.6

1.5–19.8

12.8

2.9–22.7

23.4

10.8–36.0

12.8

Rural total

 

1291

4.8

3.6–6.0

4.5

3.4–5.6

7.7

6.3–9.2

2.9b**

Rural boys

3 years

245

4.5

1.9–7.1

6.1

3.1–9.1

11.4

7.4–15.4

6.9b**

4 years

219

3.2

0.8–5.5

5.0

2.1–7.9

7.3

3.8–10.8

4.1b*

5 years

204

6.9

3.4–10.4

5.4

2.3–8.5

9.3

5.3–13.3

2.4

6 years

24

0.0

0.0–14.2

0.0

0.0–14.2

4.2

0.0–21.1

4.2

Rural girls

3 years

191

4.2

1.3–7.1

4.2

1.3–7.1

5.2

2.0–8.4

1.0

4 years

196

4.6

1.6–7.5

2.6

0.3–4.8

6.6

3.1–10.1

2.0

5 years

193

6.2

2.8–9.7

4.1

1.3–7.0

6.2

2.8–9.7

0.0

6 years

19

5.3

0.1–26.0

0.0

0.0–17.6

5.3

0.1–26.0

0.0

  1. a Urban vs. rural
  2. b 2016 vs. 2013
  3. *p < 0.05
  4. **p < 0.01
  5. ***p < 0.001