Table 1 Prevalence of overweight and obesity among Chinese children and adolescents aged 7-18y in 2015 by IOTF, WHO and WGOC criteria

1617

13.1 (11.5–14.8)

5.7 (4.5–6.8)

15.5 (13.7–17.2)

8.8 (7.4–10.2)

11.9 (10.4–13.5)

8.8 (7.5–10.2)

1007

13.2 (11.1–15.3)

0.8821

5.7 (4.2–7.1)

0.9481

16.0 (13.7–18.2)

0.4511

9.6 (7.8–11.4)

0.1204

11.7 (9.7–13.7)

0.7286

9.0 (7.3–10.8)

0.7252

610

13.0 (10.3–15.6)

5.7 (3.9–7.6)

14.6 (11.8–17.4)

7.4 (5.3–9.5)

12.3 (9.7–14.9)

8.5 (6.3–10.7)

837

14.0 (11.6–16.3)

0.2842

7.9 (6.1–9.7)

< 0.0001

17.1 (14.5–19.6)

0.0613

12.9 (10.6–15.2)

< 0.0001

14.0 (11.6–16.3)

0.0087

10.5 (8.4–12.6)

0.0143

780

12.2 (9.9–14.5)

3.3 (2.1–4.6)

13.7 (11.3–16.1)

4.4 (2.9–5.8)

9.7 (7.7–11.8)

7.1 (5.2–8.9)

435

15.2 (11.8–18.5)

0.1362

7.6 (5.1–10.1)

0.0458

18.2 (14.5–21.8)

0.0685

10.6 (7.7–13.5)

0.1222

14.3 (11.0–17.5)

0.0812

10.8 (7.9–13.7)

0.0920

1182

12.4 (10.5–14.2)

5.0 (3.7–6.2)

14.5 (12.5–16.5)

8.1 (6.6–9.7)

11.1 (9.3–12.9)

8.1 (6.6–9.7)

499

16.8 (13.5–20.1)

0.0030

9.0 (6.5–11.5)

0.0001

19.2 (15.8–22.7)

0.0050

13.6 (10.6–16.6)

< 0.0001

14.2 (11.2–17.3)

0.0575

13.6 (10.6–16.6)

< 0.0001

1118

11.4 (9.6–13.3)

4.2 (3.0–5.4)

13.8 (11.8–15.8)

6.6 (5.2–8.1)

10.9 (9.1–12.7)

6.7 (5.2–8.2)