Table 2 Prevalence of overweight and obesity among children and adolescents aged 6–17 years in Shandong

Age group (years)

6 ~ 8

12.1

11.1

23.2

9.6

11.2

20.8

11.0

11.2

22.2

9 ~ 11

11.5

16.2

27.7

8.8

7.3

16.1

10.3

12.0

22.3

12 ~ 14

13.6

8.7

22.3

10.0

5.3

15.3

11.9

7.1

19.0

15 ~ 17

10.2

8.2

18.4

10.5

2.6

13.1

10.4

5.3

15.7

Residence area

Urban

12.9

12.0

24.9

11.9

6.1

18.0

12.4

9.1

21.5

Rural

11.5

10.3

21.8

8.6

6.3

14.9

10.1

8.4

18.5

Total

12.0

10.9

22.9

9.8

6.2

16.0

10.9

8.7

19.6

12.1^a

9.4 ^a

21.5 ^a

9.7 ^a

5.8 ^a

15.5 ^a

11.0

7.7

18.7