2011年和2014年贵阳市某城区中老年人群肥胖及中心性肥胖患病情况分析

Study on the Change Trend of Obesity and Central Obesity among People over 40 Years Old in Guiyang City

目的:分析贵阳市云岩区40岁及以上人群肥胖及中心性肥胖患病情况的动态变化。方法:2011年采用整群抽样法抽取常住贵阳市云岩区40岁及以上居民共10140人作为调查对象,并在2014年对该人群再次进行相关调查,对两次现况调查资料均完整的7193名调查对象在不同性别、各年龄段、不同教育背景下肥胖及中心性肥胖率进行对比分析。结果:两次现况调查资料均完整的7193人中,2011年肥胖率11.1%、中心性肥胖率39.4%,2014年肥胖率12.6%、中心性肥胖率56.4%,与2011年相比明显增高,差异有统计学意义(P<0.01);男性中心性肥胖率在2014年较2011年明显增高(41.9%vs.35.5%,P<0.01),女性肥胖率及中心性肥胖率在2014年较2011年均明显增高(12.5%vs.11.1%,61.7%vs.41.5%,P<0.05,P<0.01);在进行年龄分层比较中,男性在40~49岁年龄段肥胖及中心性肥胖率较高;女性在40~49岁年龄段肥胖、中心性肥胖率较低,在70岁以上年龄段最高,且女性在2011年和2014年肥胖及中心性肥胖率均随年龄增长而增加(P<0.01);随着调查对象受教育程度提高,肥胖及中心性肥胖率降低,不同文化程度人群在2014年调查时中心性肥胖率明显增加。结论:2014年贵阳市云岩区40岁及以上人群肥胖及中心性肥胖率较2011年明显增加;中心性肥胖率增加尤为显著,尤其在女性人群中。

Objective:To investigate the dynamic changes of obesity and central obesity(also called abdominal obesity)among people over 40 years old in Guiyang City.Methods:In 2011,a total of 10 140 residents over 40 years old who lived in Guiyang City were selected by random cluster sampling method.In 2014 we followed up the survey and collected 7 193 respondents.The rates of obesity and central obesity of these 7 193 respondents were analyzed and compared based on gender,age(40~49 years old,50~59 years old,60~69 years old,≥70 years old)and educational levels.Results:In 2011,the obesity rate and central obesity rate were 11.1%and 39.4%respectively.The obesity rates were 11.4%for male and 11.1%for female,and the central obesity rates were 33.5%for male and 41.5%for female,respectively.In 2014,the obesity rate and central obesity rate were 12.6%and 56.4%.The obesity rates were 12.8%for male and 12.5%for female,and the central obesity rates were 56.4%for male and 61.7%for female,respectively.The obesity and central obesity rates were significantly higher in 2014 than those in 2011(P<0.05).In the age-stratified comparison,male had the highest obesity rate in the 40~49 age group,while female had the lowest obesity and central obesity in the 40~49 age group,but the highest obesity and central obesity in the over 70 years old group.The female obesity rate and central obesity rate increased from 2011 to 2014.The obesity rate and central obesity rate were lower in the higher educational level of the subjects than those in the lower educational level of the subjects.The prevalence of central obesity increased significantly(P<0.05).Conclusion:The prevalence of obesity and central obesity in people over 40 years old in Guiyang has increased with time,and the prevalence of central obesity has increased significantly,especially in the female population.