体质指数与体重控制知信行的关系研究

目的：了解城市不同体质指数（BMI ）人群对控制体重的健康认识、主动意识及相关行为。方法采用随机整群抽样的方法调查杭州市2个区18～45岁的公务员、企业管理人员和事业单位人员共1175人，分析不同BMI值职业人群对体重控制的知识、态度和行为。结果杭州市城市职业人群超重率为21.70％，肥胖率为6.04％。体重过轻、正常、超重和肥胖等BMI 值人群自评超重肥胖对身体健康有影响知晓率分别为98.95％、98.81％、96.08％和95.77％，对心理健康有影响知晓率分别为90.53％、92.44％、83.92％和81.69％，对控制体重有信心分别占82.11％、79.18％、72.94％和50.70％，呈随体重增高而降低的趋势，差异均有统计学意义（P＜0.05）。不同BMI值人群在体重控制行为方面，差异无统计学意义（P＞0.05）。在累积体重控制行为方面差异无统计学意义（P＞0.05）。结论不同BMI值人群在超重肥胖对个人的健康影响、控制体重的主动意识方面有差异，在采取体重控制行为方面无差异。

A study on the relationship between body mass index and KAP of weight control

Objective To understand the self-assessment of health status,health effects,active awareness of weight control and behavior of urban occupational populations with different body mass index （BMI ）.Methods With random cluster sampling survey in two monitoring areas,1 175 cases aged 18 to 45 were selected,consisted of public servants, enterprise administrators and institution personnel groups.Results In the urban occupational populations in Hangzhou City,the overweight rate was 21.70%,and the obesity rate was 6.04%.The awareness rate of underweight,normal weight,overweight and obesity crowd for health effects to the body was 98.95%,98.81%,96.08% and 95.77%respectively;and for mental health effects was 90.53%,92.44%,83.92% and 81.69% respectively;and for weight control confidence was 82.11%,79.18%,72.94%and 50.70%respectively.The awareness rate decreased with increased body weigh with significant difference （P〈0.05 ）.There was no significance differences in weight control behaviors and accumulation of weight control behaviors （P ＆gt;0.05 ）.Conclusion There was significantly difference in people with different BMI about the awareness of overweight obesity impact on personal health and weight control activity,but there was no difference in that of weight control behaviors.