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藏族男性青少年体脂含量多元线性回归方程的建立

Multiple linear regression equations of body fat percentage in male Tibetan adolescents
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摘要 摘要目的:通过测量身高、体质量、围度和皮褶厚度等指标,建立评估藏族男性青少年体脂含量(BF%)的多元线性回归方程。方法:选择拉萨市10~19岁藏族男性青少年共532人,手动测量各项指标,并利用生物电抗阻分析法测量出受试者的体脂含量,结合所测指标建立方程。结果:藏族男性青少年体脂含量回归方程分别为,BF%(10-13岁)=19.119+0.536×体质量(k)+0.235×腹部皮褶(mm)-0.207×身高(cm)+0.267X肩胛下皮褶(ram),BF%(14~16岁)=54.841+0.350×腋中皮褶(nlm)-3.761x年龄(y)+0.273×体质量(kg),BF%(17~19岁)=-17.553+0.351×体质量(妇)+0.131×腹部皮褶(ram)+0.374×肱二头肌皮褶(ram)+0.090×腰围(cm)。结论:经验证所建方程可靠,可为评估藏族男性青少年体脂含量提供参考。 Objective: This multiple linear regression equation was established by measuring height, weight, circumference and skinfold thickness and other indicators to assess the body fat percentage(BF%) in male Tibetan adolescents. Methods.. 532 male adolescents of Tibetan nationality aged 10-19 in Lhasa were selected to measure their height, biceps skinfold thickness, triceps skinfold thickness, subscapular skinfold thickness and suprailiac skinfold thickness and their body fat percentage was calculated by bioelectrical impedance analysis. The regression equation was established on the basis of the index above. Data were analysed by SPSS 17.0 software. Results : Equations for males: BF% ( 10 y-13 y) = 19. 119 + 0. 536 × weight (kg) + 0. 235 × abdominal skinfold(mm) -0. 207× height (cm) + 0. 267 × subseapular skinfold (mm), BF% (14y-16y) = 54. 841 + 0. 350 ×mid-axillary skinfold(tuna) - 3. 761 × age(y) +0. 273 〉4 weight (kg), BF% ( 17 y-19 y) =- 17. 553 +0. 351 )4 weight ( kg ) + 0. 131 × abdominal skinfold (mm) + 0.374 × biceps skinfold (ram) + 0.090 × waist circ umfe rence (cm). Conclusion : The multiplelinear regression equation can serve as reliable reference to assess the body fat percentage of Tibetan adolescents.
出处 《解剖学杂志》 CAS CSCD 北大核心 2016年第4期476-479,共4页 Chinese Journal of Anatomy
基金 国家自然科学基金(31171152) 中华医学会资助项目(V2014100601,S2016131416) 西藏大学珠峰学者人才发展支持计划资助(2015-D) 西藏大学医学院青年科学培育基金延伸扩展项目(ZDYXY-KY-20150301) 国家级大学生创新性项目(201410694024) 自治区级大学生创新性项目(2014QCX067)
关键词 体脂含量 围度 皮褶厚度 青少年 藏族 男性 回归方程 body fat percentage skinfold thiekness adolescents Tibetan nationality male regression equation
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