甘肃及西藏藏族成人体成分调查分析

摘要/Abstract

摘要： [摘要] 目的收集我国藏族居民体成分数据并比较甘肃、西藏藏族成人体成分各指标差异，揭示藏族成人体成分分布特点，为进一步分析该人群体成分与生活环境、慢性病发病的关系提供科学基础。方法采用整群抽样法抽取西藏藏族自治区日喀则市，甘肃省甘南藏族自治州、天祝藏族自治县藏族成年居民共814名，采用生物电阻抗法检测受试者体成分各项指标，比较两省区藏族成年人体成分数据的差异。结果藏族成年男性BMI、去脂体重、体脂肪率、内脏脂肪量、皮下脂肪量、肌肉量、身体水分及蛋白质量、腰臀比（WHR）均在40~50岁达到峰值，基础代谢在40~50岁后随着年龄的增长下降，细胞内外液比值（E/I）随年龄的增长而升高;女性去脂体重、肌肉量、基础代谢在30~40岁达到高峰，身体水分量在40~50岁达到最大值；BMI、体脂肪率、内脏脂肪量、皮下脂肪量、WHR及E/I均随年龄的增高而升高，而蛋白质量随年龄增高而下降。甘肃藏族BMI、去脂体重、肌肉量、皮下脂肪含量、内脏脂肪含量、身体水分、基础代谢、超重肥胖比率均高于西藏藏族，西藏藏族成人WHR过高的比率高于甘肃藏族，差异有统计学意义（p＜0.05）。结论我国藏族成人男性及女性体成分中脂肪相关指标随年龄增长分别呈正弦曲线及单向增高变化；不同地域藏族成人体成分也存在差异，甘肃藏族成人体成分多项指标尤其是大部分体脂肪相关指标高于西藏藏族成人，可能会导致甘肃藏族成人慢性病发病率较高。

关键词: 体成分, 藏族成人, 体脂肪, 甘肃, 西藏

Abstract: [Abstract] Objective Exploring the body composition of Chinese Tibetans by collecting and comparing the body composition data of adult Tibetans in Gansu and Tibet of China to provide basis for further researches on the relationship between body composition and living surrounding as well as the incidence of chronic diseases. Methods Bioelectric impedance technique was used to test the body composition indices of cluster sample of 814 adult Tibetans living in Shigatse, Tianzhu Tibetan Autonomous County and Gannan Tibetan Autonomous Prefecture. Results The BMI, lean body weight, body fat rate, subcutaneous fat , visceral fat, muscle amount, fluid amount, protein amount and WHR in male Tibetans reached their maximum at their40~50 years old; the basal metabolism decrease with the increase of their age after 40~50 while their extracellular fluid to intracellular Fluid ratio(E/I) raise with the aging; as to female, their lean body weight, muscle amount and basal metabolism reached the peaks at their 30~40 years old while the fluid amount maximum is at their 40~50 years old; BMI, body fat rate, subcutaneous fat , visceral fat, WHR and E/I increase with aging whereas the protein decrease with the increase of their age. Compare with the participants in Tibet, the Tibetans from Gansu have higher BMI, lean body weight, muscle amount, subcutaneous fat , visceral fat, body fluid amount and basal metabolism as well as more overweight , obesity; however, the prevalence of high WHR in Tibetans in Tibet is higher than the ones from Gansu (p＜0.05). Conclusion The variation of body fat indices in Tibetan males and females of are sinusoid and increasing with aging, Tibetans from different regions exhibit different body composition values; most of body composition indices especially fat related indices of Tibetans from Gansu are higher than participants from Tibet, which may lead to higher incidence of chronic disease in Gansu Tibetans.

Key words: Body Composition, Adult Tibetan, Body Fat, Gansu, Tibet

杨秀琳何烨马斌窦春江白静雅海向军. 甘肃及西藏藏族成人体成分调查分析[J]. , 2016, 47(1): 134-138.

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