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. 2017 Jun 19;17:150. doi: 10.1186/s12887-017-0904-y

Table 4.

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

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

a Urban vs. rural

b 2016 vs. 2013

*p < 0.05

**p < 0.01

***p < 0.001