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在秘鲁成年人中,较高海拔地区的体脂定义肥胖的发病率较低
Orison O Woolcott1,2, Till Seuring3, Oscar A Castillo4
1Institute for Globally Distributed Open Research and Education (IGDORE), Los Angeles, California, USA.
High altitude medicine & biology
|June 16, 2023
概括
较高的海拔高度与秘鲁成年人体内下部脂肪定义的肥胖症有关. 这种反向关联在男性和女性中都被观察到,特别是在农村地区,这表明高度可能会影响身体成分.
科学领域:
- 环境健康 环境健康
- 人体生理学 人体生理学
- 肥胖问题研究研究
背景情况:
- 以前的研究表明,较高海拔地区的肥胖患病率较低,通常由身体质量指数 (BMI) 定义.
- 体重指数 (BMI) 不区分脂肪质量和无脂肪质量,在使用体脂百分比时,高度与肥胖的关系不清楚.
- 相对脂肪质量指数 (RFM) 提供了一种有效的方法来估计全身脂肪百分比.
研究的目的:
- 为了研究生活在更高的海拔和体脂定义的肥胖之间的关系,秘鲁成年人.
- 用身体脂肪百分比 (通过RFM) 与BMI定义的肥胖相比,比较高度-肥胖关系.
主要方法:
- 一个全国代表性的秘鲁成年人样本 (N=36,727) 的横截面分析.
- 使用相对脂肪量 (RFM) 指数 (女性≥40%,男性≥30%) 评估体脂定义的肥胖症.
- 普森回归用于计算调整后的患病率,控制年龄,吸烟和糖尿病.
主要成果:
- 发现海拔高度和身体脂肪定义的肥胖症在两性之间存在显著的反向关联.
- 在农村地区,每升高1公里,肥胖患病率在女性下降12%,男性下降19%.
- 反向关联在城市地区不那么明显,但仍然显著,在城市妇女中观察到非线性关系.
结论:
- 身体脂肪定义的肥胖症的患病率与秘鲁成年人的高度相反相关.
- 需要进一步的研究来确定高度本身,或者像社会经济地位,环境,种族或生活方式这样的混因素,是否推动了这种关联.
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