1. Population-Based Study of Traffic-Related Air Pollution and Obesity in Mexican Americans.
- Author
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Zhang, Xueying, Zhao, Hua, Chow, Wong‐Ho, Bixby, Moira, Durand, Casey, Markham, Christine, Zhang, Kai, and Chow, Wong-Ho
- Subjects
MEXICAN Americans ,AIR pollution ,GEOGRAPHIC information systems ,OBESITY ,PARTICULATE matter ,STATISTICS on Hispanic Americans ,CROSS-sectional method ,DISEASE prevalence ,RESEARCH funding ,LONGITUDINAL method - Abstract
Objective: The purpose of this study was to assess the cross-sectional association between residential exposure to traffic-related air pollution and obesity in Mexican American adults.Methods: A total of 7,826 self-reported Mexican Americans aged 20 to 60 years old were selected from the baseline survey of the MD Anderson Mano-a-Mano Mexican American Cohort. Concentrations of traffic-related particulate matter with aerodynamic diameter < 2.5 μm were modeled at geocoded residential addresses using a dispersion models. The residential proximity to the nearest major road was calculated using a Geographic Information System. Linear and logistic regression models were used to estimate the adjusted associations between exposure and obesity, defined as BMI ≥ 30.Results: More than half (53.6%) of the study participants had BMI ≥ 30, with a higher prevalence in women (55.0%) than in men (48.8%). Overall higher traffic-related air pollution exposures were associated with lower BMI in men but higher BMI in women. By stratifying for those who lived in a 0- to 1,500-m road buffer, the one-interquartile-range (685.1 m) increase of distance to a major road had a significant association with a 0.58-kg/m2 lower BMI (95% CI: -0.92 to -0.24) in women.Conclusions: Exposure to intensive traffic is associated with increased risk of obesity in Mexican American women. [ABSTRACT FROM AUTHOR]- Published
- 2020
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