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目的了解河南省60岁以上老人体重状况,并将自评体重与实测体质指数(BMI)值比较分析,探讨不同群体老人对自身体重的认知。方法采用多阶段分层随机整群抽样方法,于2012年对河南省2 993名60岁以上老年人进行问卷调查收集数据,比较不同群体老年人对自身体重的认知。计数资料的比较采用x~2检验。结果样本人群体重偏低率、正常率、超重率和肥胖率分别为3.60%、54.60%、34.10%和7.70%,在性别、年龄和文化程度上的差异有统计学意义(P<0.05)。60岁以上老人自评体重与实测BMI值的一致率为54.96%,BMI值偏低组、正常组和超重组的一致率分别为55.14%、62.67%和44.89%,BMI值超重组一致率最低(P<0.05)。各BMI组一致率城市高于农村,年龄越大一致率越低,文化程度越低一致率越低(P<0.05),男女性别差异无统计学意义。结论不同群体老人对自身体重的认知存在差异,在老年人群中针对健康体重开展健康教育对预防和控制老年人与体重有关慢性病的工作十分必要。
Objective To understand the body weight of elderly people over the age of 60 in Henan Province, and to compare the self-rated body weight with measured body mass index (BMI) values to explore the different groups of elderly people’s cognition of their own body weight. Methods A multistage stratified stratified random cluster sampling method was used to collect data from 2,993 elderly people over the age of 60 in Henan Province in 2012 and compare the cognition of different groups of elderly people on their own body weight. Comparison of count data using x ~ 2 test. Results The rate of weight loss, normal rate, overweight rate and obesity rate in sample population were 3.60%, 54.60%, 34.10% and 7.70%, respectively. There were significant differences in gender, age and education level among them (P <0.05). The consistent rate of self-rated body weight and measured BMI was 54.96% in elderly people over 60 years old with low BMI value, and the consistency rates of normal group and overweight group were 55.14%, 62.67% and 44.89%, respectively, and lowest in BMI overweight group (P <0.05). The consistency rate of each BMI group was higher in urban than in rural areas. The lower the consistent rate was, the lower the educational level was (p <0.05). There was no significant difference between male and female gender. Conclusion There is a difference in cognition of body weight between different groups of elders, and it is necessary to carry out health education on weight gain in the elderly to prevent and control elderly people and weight-related chronic diseases.