Investigation on body composition among children and adolescents in Dalian
10.3760/cma.j.issn.1673-4408.2016.03.020
- VernacularTitle:大连地区儿童青少年体成分影响的调查研究
- Author:
Yang LIU
;
Yanjun ZHANG
;
Fei XU
- Publication Type:Journal Article
- Keywords:
Bioelectrical impedance analysis;
Children;
Adolescents;
Body composition;
Obesity
- From:International Journal of Pediatrics
2016;43(3):244-247,256
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the development regularities and characteristics of child and adoles-cent body composition in Dalian,to provide scientific basis for their healthy growth and basic evidence for nutri-tional status and healthcare,and to accumulate dynamic date for evaluation of children's growth and development in the future.Methods Two primary schools、two secondary schools and one high school in Dalian were en-rolled,where four classes were taken from each grade,and 2 027students aged from 6-18 years were systematical-ly collected.The collected students were given height and weight tests,and body composition was examined with bioelectrical impedance analysis.Overweight and obesity were determined by body fat percent.Results (1 ) Height,weight,body fat percent,fat mass,lean body mass,muscles,bone mass,BMI and basal metabolism rate of the students increased from 6-18 years in Dalian,and the growth curves of boys and girls appear rising tenden-cy,while the percentage of total body water decreased.(2)The muscles,lean body mass and basal metabolism rate were obvious sex differences among all the age groups,and the others were sex difference in part of age. Body fat percent and fat mass of girls were greater than those of boys,while the other indexes of boys were grea-ter.(3)The obesity rate of girls in Dalian was 35.7%,while the boys'was 16.7%.Conclusion (1 )The find-ings were consistent with the growth characteristics of adolescent boys and girls aged 6-18 years in Dalian.(2) The muscles,lean body mass and basal metabolism rate were obvious sex differences among all the age groups, and the others were sex difference in part of age.(3)The obesity rate of students in Dalian was higher than the government standard.
