The analysis of child's growth trend during 1958 -1995 in xi'an city

摘要

The paper analyzed the growth level and velocity to find the growth trend with the data collected in 8 investigations on growth of children aged 7 - 17 years in 1959-1995 in Xi'an. The re- sults showed that child's growth level was elevated with the passage of years and was the lowest in 1962, the highest in 1995 during the 38 years. The height of boy of the same age in 1995 has average increased by 9.59 cm over 1958 and girl 8.38 cm.