心肺适能确定大学生BMI肥胖切点的可行性分析

Feasibility Analysis on Cardiovascular Fitness and Cut-off Point of Obesity of Body-mass Index Among College Students

目的研究基于心肺适能确定体质量指数(BMI)超重与肥胖切点的可行性,为学生肥胖防治研究工作提供参考依据。方法采用整群抽样的方法 ,抽取浙江省高校本-专科4788名学生作为被试,测试指标有BMI、身体成分、耐久跑测验和台阶试验指数等。结果大学生心肺适能与其肥胖程度密切相关,12min跑测验成绩与体脂百分比各种曲线拟合中三次曲线最优;男、女大学生12min跑测验与BMI显著相关,基于学生心肺适能水平初步建立的BMI切点为:BMI≥23kg/m2为超重,BMI≥25kg/m2为肥胖;台阶试验与BMI相关显著性不高,性别差异存在统计学意义。结论基于青年学生心肺适能水平来确定BMI肥胖切点具有一定的可行性。

Objective To investigate the feasibility of determining the cut-off point of overweight or obesity of BMI based on cardiovascular fitness, and to provide evidence for the prevention. Methods Totally 4 788 college students were chosen by clustered sampling methods. Their height, weight, body composition and 12-min running and sidestep were tested. Results The 12-min test was a high relationship with body composi- tion （ body fat mass）. The cut-off point of overweight or obesity of BMI based on cardiovascular fitness was BMI≥23 kg/m2 （ overweight ）and BMI≥25 kg/m2 （ obesity）. Sidestep test wasn＇t related with BMI significantly as well as difference between male and female. Conclusion It＇s feasibility of determining the cut-off point of obesity based on cardiovascular fitness.