In 2007, 22.8% of Chinese adolescents were overweight or obese, a significant increase from 13.5% in 2002. Rates of overweight and obesity were highest in Beijing, Tianjin, and Shanghai. The prevalence of overweight and obesity increased with age from 6.4% for those aged 13-14 to 27.2% for those aged 17.

10. 172

12. 22.8%77.2%
ʰʹ ʲʭ ʩ ʮ ʰʹ ʲ ʠʭ ʩ ʮ ʬ

13. 200710,000
8,500
1,500

15. 13-14(
6.4
5.3
4.1
3.5
2.72.6
2.2 2.0
1.2 1.0
0
1
2
3
4
5
6
7
ʦʥʧʠ
ʤʰʹ
ʰʡʭ ʩ ʺ ʥʰʡ
*
HBSC2008

16. 







20. 


40%
--

21. 

22. ??

23. 2020--500500 88––1212
0.30.3––11 4040--100100
2020--8080 55--77
0.50.5––1.51.5

33. 12
11
22
33
4485%85%
55
6675%75%4545
77
884343
99
11
11
11