Measuring personal heat exposure in an urban and rural environment

被引:89
作者
Bernhard, Molly C. [1 ]
Kent, Shia T. [2 ]
Sloan, Meagan E. [3 ]
Evans, Mary B. [4 ]
McClure, Leslie A. [5 ]
Gohlke, Julia M. [1 ]
机构
[1] Univ Alabama Birmingham, Sch Publ Hlth, Dept Environm Hlth Sci, Birmingham, AL 35294 USA
[2] Univ Alabama Birmingham, Sch Publ Hlth, Dept Epidemiol, Birmingham, AL 35294 USA
[3] Univ Alabama Birmingham, Sch Med, Birmingham, AL 35294 USA
[4] Univ Alabama Birmingham, Sch Publ Hlth, Ctr Study Community Hlth, Birmingham, AL 35294 USA
[5] Univ Alabama Birmingham, Sch Publ Hlth, Dept Biostat, Birmingham, AL 35294 USA
基金
美国国家卫生研究院;
关键词
Personal exposure; Outdoor versus indoor exposure; Sunlight exposure; Heat exposure; Occupational heat exposure; PHYSICAL-ACTIVITY; MORTALITY; TEMPERATURE; IMPACTS; WAVES; RISK;
D O I
10.1016/j.envres.2014.11.002
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Previous studies have linked heat waves to adverse health outcomes using ambient temperature as a proxy for estimating exposure. The goal of the present study was to test a method for determining personal heat exposure. An occupationally exposed group (urban groundskeepers in Birmingham, AL, USA N=21), as well as urban and rural community members from Birmingham, AL (N=30) or west central AL (N=30) wore data logging temperature and light monitors clipped to the shoe for 7 days during the summer of 2012. We found that a temperature monitor clipped to the shoe provided a comfortable and feasible method for recording personal heat exposure. Ambient temperature (degrees C) recorded at the nearest weather station was significantly associated with personal heat exposure [beta 0.37, 95%CI (0.35, 0.39)], particularly in groundskeepers who spent more of their total time outdoors [beta 0.42, 95%Cl (039, 0.46)]. Factors significantly associated with lower personal heat exposure include reported time indoors [beta -2.02, 95%Cl (-2.15, -1.89)], reported income > 20 K [beta -1.05, 95%CI (-1.79, -0.30)], and measured % body fat [beta -0.07, 95%CI (-0.12, -0.02)]. There were significant associations between income and % body fat with lower indoor and nighttime exposures, but not with outdoor heat exposure, suggesting modifications of the home thermal environment play an important role in determining overall heat exposure. Further delineation of the effect of personal characteristics on heat exposure may help to develop targeted strategies for preventing heat-related illness. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:410 / 418
页数:9
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