关键词: 身高, 生长和发育, 学生

Abstract: Objective To analyze growth changes in height among the students aged 7~18 years in Yantai from 1985 to 2010,in order to give scientific basis of the strategy and measures developed by the department which is to promote the children's and adolescents' healthy growth. Methods Using the data of the Students' Constitution and Health survey from the year of 1985,2000 and 2010.Excel 2003 was used for established database and SPSS 17.0 was used for statistical analysis. Results In 1985-2010,7~11 years old boys' and girls' height increased by 7.6 cm and 5.8 cm;12~15 years old boys' and girls' height increased by 8.6 cm and 4.5 cm;16~18 years old boys' and girls' height increased by 6.2 cm and 4.0 cm;7~18 years old boys' and girls' height increased by 7.4 cm and 5.4 cm;18 years old boys' and girls' height increased by 6.3 cm and 2.9 cm,respectively.The increment of boys was significantly higher than that of girls.Besides,the boys' and girls' adolescence cross age for the height moved forward 1.0 and 1.5 years from 1985 to 2010,respectively.In 18-year old,the boys' height was 13.1 cm higher than girls'. Conclusions The heights of students aged 7~11 years old,12~15 years old,16~18 years old,7~18 years old and adults in Yantai have the sustained growth trend from 1985 to 2010.The growth rate of boys is higher than the girls'.The adolescent growth age in height moved forward.The height difference between boys and girls aged 18 years increased every year,which inferred the students' heights of this region still have growth potential.

Key words: body height, growth and development, student