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Assessment of Child Anthropometry in a Large Epidemiologic Study
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地方与青少年肥胖症的关联
Ashlesha Datar1, Nancy Nicosia2, Amy Mahler3
1Center for Economic and Social Research, University of Southern California, Los Angeles.
JAMA pediatrics
|June 5, 2023
概括
进入肥胖环境会增加青少年的体重指数 (BMI) 和肥胖风险. 这种由共同环境无法解释的社会传染效应,凸显了地点对青少年健康的影响.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 青少年健康 青少年健康
背景情况:
- 地理位置与肥胖风险之间的联系已经确立,但因果关系与环境分类之间的关系尚不清楚.
- 了解地方在青少年肥胖症中的作用对于公共卫生干预至关重要.
- 以前的研究还没有完全阐明地方影响肥胖的途径,例如社会传染或共同的环境因素.
研究的目的:
- 调查青少年的位置和肥胖风险之间的关联.
- 探索潜在的因果途径,包括社会传染和共享环境.
- 估计暴露在肥胖环境对青少年体重指数 (BMI) 和肥胖患病率的影响.
主要方法:
- 一个自然实验设计,利用美国军事人员及其家属的搬迁.
- 从军事青少年环境,运动和营养研究 (2013-2018) 的数据分析.
- 个别固定效应模型,以评估县级肥胖率与青少年BMI和肥胖概率随时间推移之间的关联.
主要成果:
- 县肥胖率增加5%与青少年BMI增加0.19和肥胖概率增加0.02有关.
- 这些关联并不是由共同的环境因素 (如食物获取或社会经济特征) 解释的.
- 对BMI和肥胖的影响在居住时间较长 (≥2年) 的青少年和生活在设施之外的青少年中更为明显.
结论:
- 位置和青少年肥胖风险之间的关联不能归因于选择偏差或共享环境.
- 研究结果表明,社会传染可能是与青少年肥胖相关的重要因果途径.
- 这项研究强调了考虑住宅环境对青少年体重状况的影响的重要性.
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