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首页> 外文期刊>Environmental research >Association of residential greenness with obesity and physical activity in a US cohort of women
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Association of residential greenness with obesity and physical activity in a US cohort of women

机译：美国一个女性队列中的居住区绿色与肥胖和体育锻炼的关联

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摘要

There is evidence of several health benefits associated with neighborhood greenness, but reasons for this are unclear. Studies have found that those who live in greener neighborhoods are more physically active, and have lower rates of obesity. Relatively few studies have attempted to characterize associations between greenness and both obesity and physical activity concurrently, or among women who are at higher risk of developing cancer and for whom physical activity may be important for primary prevention. To address these gaps, we undertook a cross-sectional analysis of data from 50,884 women who enrolled in the Sister Study between 2003 and 2009. This cohort includes women aged 35-74 whose sister had been diagnosed with breast cancer. Residential measures of greenness were determined using the US National Land Cover database. Logistic regression was used to characterize associations between greenness, obesity, and physical activity. Adjustments were made for other possible confounders. Women who lived in areas with the highest tertile of greenness (based on a 500 m buffer) had a reduced risk of obesity (body mass index (BMI) > 30) relative to those in the lowest tertile (odds ratio (OR) = 0.83, 95% CI = 0.79-0.87). We also found that those the upper tertile of greenness were 17% more likely to expend more than 67.1 metabolic equivalent (MET) hours per week when compared to those in the lowest tertile (OR = 1.17, 95% CI = 1.10-1.23). Beneficial associations between greenness and both obesity and physical activity were observed in urban and rural areas, and regionally, stronger associations were observed in the western census region in the US. Mediation analyses indicated that physical activity attenuated the association between greenness and obesity by 32%. Our findings indicate that, amongst US adult women at higher risks of breast cancer, residential proximity to greenness may help mitigate against sedentary behaviors that increase the risk of chronic disease.
机译：有证据表明，邻里绿色对健康有好处，但尚不清楚其原因。研究发现，居住在较绿的社区中的人身体活动更活跃，肥胖率更低。相对地，很少有研究试图表征绿色与肥胖症和身体活动同时发生，或者在罹患癌症的风险较高且身体活动对于一级预防很重要的女性之间。为了解决这些差距，我们对2003年至2009年间进行的姐妹研究的50884名妇女的数据进行了横断面分析。该队列包括年龄在35-74岁之间，其姐姐被诊断出患有乳腺癌的妇女。使用美国国家土地覆盖数据库确定住宅的绿色程度。 Logistic回归用于表征绿色，肥胖和体育活动之间的关联。已对其他可能的混杂因素进行了调整。与最低三分位数（优势比（OR）= 0.83）相比，生活在绿色三分位数最高的地区（基于500 m缓冲区）的女性患肥胖的风险降低（体重指数（BMI）> 30） ，95％CI = 0.79-0.87）。我们还发现，与最低三分位数的人相比，绿色最高三分位数的人每周花费超过67.1代谢当量（MET）小时的可能性高17％（OR = 1.17，95％CI = 1.10-1.23）。在城市和农村地区观察到绿色与肥胖和体育活动之间的有益联系，在美国西部人口普查地区中，在区域上观察到更强的联系。调解分析表明，体育锻炼使绿色和肥胖之间的联系减弱了32％。我们的发现表明，在罹患乳腺癌风险较高的美国成年女性中，居家靠近绿色可能有助于减轻久坐的行为，而久坐的行为会增加患慢性病的风险。

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  • 来源
    《Environmental research》 |2018年第1期|372-384|共13页
  • 作者

    Paul J. Villeneuve; Michael Jerrett; Jason G. Su; Scott Weichenthal; Dale P. Sandler;

  • 作者单位

    Department of Health Sciences, Carleton University, Ottawa, ON, Canada,CHAIM Centre, Carleton University, Ottawa, ON, Canada;

    Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA, USA;

    School of Public Health, University of California at Berkeley, Berkeley, CA, USA;

    Department of Epidemiology, Biostatistics, and Occupational Health and Gerald Bronfman Department of Oncology McGill University, Canada;

    US National Institute of Environmental Health Sciences, RTP, NC, USA;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Greenness; Obesity; Physical activity; Cross-sectional study; Breast cancer;

    机译：绿色;肥胖;体力活动;横断面研究;乳腺癌;

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