Growth and development of 6 to 11 years old primary school students and its influencing factors
10.3760/cma.j.issn.1674-0815.2013.04.003
- VernacularTitle:长春市某小学6～11岁儿童生长发育状况的问卷调查
- Author:
Shanshan XU
;
Minghui LI
;
Qi WANG
;
Chao QI
;
Honghai AN
;
Bo LI
- Publication Type:Journal Article
- Keywords:
Child;
Growth and development;
Factor analysis;
Statistical
- From:
Chinese Journal of Health Management
2013;7(4):221-225
- CountryChina
- Language:Chinese
-
Abstract:
Objective To learn growth status of 6 to 11 years old children and to analyze the factors that affect the growth and development of primary school students in Changchun City.Methods A total of 3045 students from one publich primary school in Changchun City were enrolled in this investigation in October 2011.Their height,body weight,chest circumference and vital capacity were measured,and the related factors were analyzed.The optimal scaling regression was used for data analysis.Results About 2590 questionnaires were completed,1319 of which were from boys and 1271 from girls,resulting in an effective rate of 85.1％.Vital capacity were increased with age,height,body weight and chest circumference.In the the optimal scaling regression,height,body weight,chest circumference and vital capacity showed statistically significant difference (F values were 371.437,110.463,101.254 and 121.540,respectively; all P ＜ 0.05).Age and gender were the most important factors of the growth.The height of children was correlated with one-child family,household income,milk and meat intake (F values were 10.777,6.855,3.905 and 5.163,respectively; all P ＜ 0.05).In addition,children's body weight was correlated with family income,breakfast,sweets,fried foods,fish,meat,average daily sleeping time and average daily physical exercise time (F values were 3.040,13.198,10.799,4.036,4.298,18.103,7.827 and 13.602,respectively; all P ＜ 0.05).Chest circumference was related to breakfast,fish or meat intake,average daily sleeping time and average daily physical exercise time (F values were 10.249,4.525,20.560,7.371 and 14.124,respectively; all P ＜0.05).Meat intake and average daily sleeping time were positively correlated with children's vital capacity (F values were 12.180 and 4.833,respectively; both P ＜ 0.05).Conclusions The growth and development of primary school students in Changchun city is in line with the laws of children's growth and development.Eating habits,average daily sleep time and physical exercises could be the main factors affecting children's growth.
