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目的了解马鞍山市初三学生中心性肥胖状况及其影响因素,为采取有效的预防干预措施提供依据。方法整群抽取马鞍山市10所中学,采用问卷调查和人体测量相结合的方法,获取初三学生社会人口统计学变量和身高、体重、腰围、臀围等形态发育指标,对中心性肥胖状况及其影响因素进行分析。结果肥胖、中心性肥胖学生的检出率分别为3.8%与2.9%,男生肥胖检出率(5.1%)高于女生(2.5%),差异有统计学意义(χ2=20.830,P<0.01);男生中心性肥胖检出率(4.1%)高于女生(1.8%),差异有统计学意义(χ2=21.945,P<0.01)。多因素非条件Logistic回归分析显示,市区、自己目前体型肥胖和小学三年级体型偏胖是发生中心性肥胖的危险因素。结论马鞍山市初三学生肥胖、中心性肥胖的检出率较高,并与性别、家庭住址、体型状况等人口统计学特征和形态学特征相关联。
Objective To understand the status of central obesity and its influential factors in the third trimester of Maanshan City and to provide evidence for effective preventive intervention. Methods A total of 10 secondary schools in Ma’anshan City were collected by questionnaire and anthropometry. The social demographic variables and height, weight, waist circumference, hip circumference and other morphological parameters were obtained. The changes of central obesity and Its influencing factors are analyzed. Results The prevalence rates of obesity and central obesity were 3.8% and 2.9% respectively, while the prevalence of obesity in boys was 5.1% higher than that of girls (2.5%) (χ2 = 20.830, P <0.01) . The prevalence of central obesity in boys (4.1%) was higher than that in girls (1.8%), the difference was statistically significant (χ2 = 21.945, P <0.01). Multivariate non-conditional Logistic regression analysis showed that urban areas, their current body fat and third-grade body fat overweight are risk factors for central obesity. Conclusion The prevalence of obesity and central obesity among the third trimester students in Ma’anshan City is high, and is associated with demographic and morphological features such as gender, home address, body shape and so on.