Research On Overweight And Obesity Status And The Consistency Of Body Image Self-perception Among Primary And Middle School Students In Jilin City

Objective:In this study,we measured the height and weight of primary and middle school students in different grades of urban and rural areas in Jilin,To master the prevalence of overweight and obesity among primary and middle school students in Jilin,To analysis of consistency between body image self-perception and BMI evaluation,To analyze the main causes and problems of overweight and obesity and cognitive bias of primary and middle school students,Put forward targeted suggestions for relevant departments to develop sound interventions.Methods:Stratified and cluster random sampling,From chuanying District,Fengman District,Jiaohe City and Yongji County,choosing primary school,junior high school and senior high school,a total of 12 schools,Including aged 7-18 years,a total of 9727 people.Using physical measurement and questionnaire survey of the way to collect primary and middle school students basic information and physical examination data Investigation on the status overweight and obesity and the cognition of body image among primary and middle school students in Jilin.The contents of the questionnaire included general situation(name,gender,age,grade and so on)and the cognition of the body image.The physical measurement of specified two school doctors in a group(one measurement,one record)on students' height and weight were measured.Results:1.The prevalence rate of overweight and obesity in primary and middle school students in Jilin was 15.9% and 16.8%,respectively.The total detection rate of overweight and obesity was about 32.7%.Gender: boy's overweight and obesity rates were 19.2% and 20.4%,a total of 39.6%,girl's overweight and obesity rates were 12.6% and 13.2%,respectively,a total of 25.8%,The detection rate of overweight and obesity in boys was higher than that in girls,The detection rate of overweight and obesity decreased with age.School: primary school overweight rate was 15.3% and the obesity rate was 19.9%,a total of 35.2%,junior high school overweight rate was 16.9% and the obesity rate was 16.1%,a total of 33%,senior high school overweight rate was 15.5% and the obesity rate was 13.3%,a total of 29%,The detection rate of overweight and obesity decreased with the increase of grade.In urban areas,the rate of overweight was 33.8%,the rate of obesity was about 37.9%,a total of 71.6%.In rural areas,the rate of overweight was about 29.5%,and the obesity rate was 28.6%,a total of 58.2%,Compared with rural areas,the detection rate of overweight and obesity was higher in urban areas.2.The prevalence rate of malnutrition in primary and middle school students in Jilin was 4.9%,The detection rate of malnutrition was both 4.9% in boys and girls.Through chi square test,the detection rate of malnutrition among primary and middle school students was significantly different in age,school,urban and rural areas.With the increase of age,the malnutrition rate showed an increasing trend;From the nutritional status of all students,the prevalence rate of malnutrition was significantly higher in middle school students than that of primary school students;The detection rate of malnutrition in rural areas was higher than that of in urban areas.3.The results of Kappa consistency test showed that there was a significant difference between the self evaluation and BMI evaluation of primary and middle school students in Jilin.Kappa < 0.4,indicating that the consistency of self evaluation and BMI evaluation is poor in the primary and middle school students,existing obvious cognitive bias.About 65.5% students are able to make the right judgments,but still 34.5% of the students mistakenly estimate their own body image,of which 29.6% of the students underestimated their own body image,and 4.9% of the students overestimated their body image.students have a cognitive bias in gener.Girls are more accurate than boys to evaluate their own body shape,but girls tend to overestimate their own body size,while boys are relatively easy to underestimate their own body;Older students are better able to assess their own body shape than younger students;Rural students are more accurate than urban students to evaluate their own body image,but urban students are more likely to underestimate their own body image,while rural students are more likely to overestimate their body image.Conclusions:1.The prevalence rate of overweight and obesity in primary and middle school students in Jilin is high,Which is the group's prominent health problems The detection rate of overweight and obesity in boys was higher than that in girls;With the increase of age,the detection rate of overweight and obesity showed a downward trend;The prevalence rate of overweight and obesity in urban areas was higher than that in rural areas.2.Compared with the detection rate of overweight and obesity among primary and middle school students in Jilin Province,the detection rate of malnutrition was relatively low,But with age,the detection rate of malnutrition showed a gradual upward trend,Therefore,overweight and obesity is fully popular in children and adolescents at the same time,malnutrition is still can not be ignored health problems.3.The consistency of body self evaluation and BMI evaluation of primary and middle school students in Jilin is poor,girls tend to overestimate their own body shape,high school students tend to overestimate their own body,rural students tend to overestimate their own body.There is a significant deviation,Girls,high school students,urban students are higher than boys,primary school students and rural students in the concordance rate.