Contrast study on status of body development of primary school students between 1982 and 2003 in Shenzhen

  Objective   To learn the change in status of body height and body weight of primary school students in shezhen for 21 years.

  Methods   Contrast analytical data on height and weight were collected about 2500 primary school students between 1982 and 2003.

  Results   The annual increment of body height of males and females students aged from 7-12 were 4.36%-9.50% and 4.89%-7.84%.The annual increamnet of body weight males and females students aged from 7-12 were 21.72%-38.80%, 15.48%-33.96%.

  Conclusion   The body height and body weight of primary school students were remarkable increment between 2003 and 1982.