事后看来：城市暴露解释了墨西哥老年人先前迁移与当前健康状况之间的关联。
In hindsight: urban exposure explains the association between prior migration and current health of older adults in Mexico.
机构信息
Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089-0191, USA.
出版信息
J Aging Health. 2013 Apr;25(3):422-38. doi: 10.1177/0898264312472537. Epub 2013 Jan 24.
OBJECTIVE
This study examines sex differences in the association between migration and exposure to an urban environment and overweight, hypertension and diabetes in later life.
METHODS
Interviews were conducted with 3,604 adults aged 50 and older in the Mexican Family Life Survey (MxFLS). Logistic regression analyses were used to examine the association between previous migration, urban exposure, and risk of overweight, hypertension, and diabetes.
RESULTS
Migration itself was not associated with health outcomes after controlling for urban exposure. The risk of overweight and diabetes associated with urban exposure appeared to be greater for men. Sex differences were found in the covariates that helped explain differences in health between those with high and low urban exposure.
DISCUSSION
These findings underscore the need to consider heterogeneity in health by urban exposure and by sex.
目的
本研究考察了移民和接触城市环境与晚年超重、高血压和糖尿病之间的关联在性别上的差异。
方法
对墨西哥家庭生活调查（MxFLS）中 3604 名 50 岁及以上的成年人进行了访谈。采用逻辑回归分析方法，考察了既往移民、城市暴露与超重、高血压和糖尿病风险之间的关系。
结果
在控制城市暴露因素后，移民本身与健康结果无关。城市暴露与超重和糖尿病风险之间的关联，对于男性来说似乎更大。在有助于解释城市高暴露和低暴露人群健康差异的协变量方面，存在性别差异。
讨论
这些发现强调了需要考虑健康状况因城市暴露和性别而异的异质性。
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