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Table 4 Estimated prevalence of obesity 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 samples   2602 6.4
5.4–7.3
4.4
3.6–5.2
4.5
3.7–5.3
−1.9b**
Urban total   1311 9.2a***
7.7–10.8
7.5a***
6.1–8.9
7.1a***
5.7–8.5
−2.1b*
Urban boys 3 years 169 8.9
4.5–13.2
8.3
4.1–12.5
7.7
3.6–11.8
−1.2
4 years 242 7.0
3.8–10.3
7.9
4.4–11.3
10.3
6.5–14.2
3.3
5 years 232 15.5
10.8–20.2
11.6
7.5–15.8
9.5
5.7–13.3
−6.0
6 years 56 7.1
0.2–14.1
5.4
1.1–14.9
3.6
0.4–12.3
−3.5
Urban girls 3 years 140 4.3
0.9–7.7
6.4
2.3–10.5
8.6
3.9–12.3
4.3
4 years 197 12.7
8.0–17.4
7.1
3.5–10.7
5.6
2.3–8.8
−7.1b*
5 years 228 7.5
4.0–10.9
4.8
2.0–7.6
3.5
1.1–5.9
−4.0
6 years 47 2.1
0.1–11.3
2.1
0.1–11.3
0.0
0.0–7.5
−2.1
Rural total   1291 3.5
2.5–4.5
1.3
0.7–1.9
1.9
1.1–2.6
−1.6b*
Rural boys 3 years 245 2.9
0.8–5.0
1.6
0.03–3.2
4.9
2.2–7.6
2.0
4 years 219 2.7
0.6–4.9
0.5
0.0–2.5
0.5
0.0–2.5
−2.2
5 years 204 3.9
1.2–6.6
1.5
0.3–4.3
1.0
0.1–3.5
−2.9
6 years 24 0.0
0.0–14.2
0.0
0.0–14.2
0.0
0.0–14.2
0.0
Rural girls 3 years 191 3.1
0.6–5.6
2.1
0.05–4.1
3.7
1.0–6.3
0.6
4 years 196 4.1
1.3–6.9
2.0
0.04–4.0
0.5
0.0–2.8
−3.6b*
5 years 193 4.7
1.7–7.7
0.5
0.0–2.9
0.5
0.0–2.9
−4.2b**
6 years 19 5.3
0.1–26.0
0.0
0.0–17.6
0.0
0.0–17.6
−5.3
  1. a Urban vs. rural
  2. b 2016 vs. 2013
  3. *p < 0.05
  4. **p < 0.01
  5. ***p < 0.001