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Heat-related deaths among construction workers in the United States

Authors: Xiuwen Sue Dong , Gavin H West , Alfreda Holloway-Beth, Xuanwen Wang, Rosemary K Sokas

Photo by Nicolas J Leclercq on Unsplash

Background: Heat is a severe hazard for construction workers and may be worsening with global warming. This study sought to explore heat-related deaths among U.S. construction workers and a possible association with climate change.

Methods: Heat-related deaths in the Census of Fatal Occupational Injuries from 1992 to 2016 were analyzed. Denominators estimated from the Current Population Survey were matched with demographic and occupational categories in rate calculations. Statistical tests were used to examine heat-related deaths in relation to time, geographic region, and temperature.

Results: Construction workers, comprising 6% of the total workforce, accounted for 36% (n = 285) of all occupational heat-related deaths from 1992 to 2016 in the U.S. Mean temperatures from June to August increased gradually over the study period. Increasing summer temperatures from 1997 to 2016 were associated with higher heat-related death rates (r = 0.649; 95% confidence interval: 0.290, 0.848). Compared to all construction workers (risk index = 1), statistically significant elevated risk of heat-related death was found among Hispanics (1.21), in particular workers born in Mexico (1.91). Occupations with a high risk index included cement masons (10.80), roofers (6.93), helpers (6.87), brick masons (3.33), construction laborers (1.93) and heating, air conditioning, and refrigeration mechanics (1.60).

Conclusions: U.S. construction workers are at a high risk of heat-related death, and this risk has increased with climate change over time. Effective workplace interventions, enhanced surveillance, and improved regulations and enforcement should accompany broader efforts to combat global warming. The construction industry can help reduce global warming through increased implementation of green building principles.

Keywords: climate change; fatal heat stroke; global warming; heat exposure; occupational health; outdoor workers; workplace intervention.

This article is a trending article in the field of Occupational and Environmental Medicine. The abstract above was written by the author(s) below. This study was conducted by the author(s) below and published in the journal or book below.

Authors: Xiuwen Sue Dong , Gavin H West , Alfreda Holloway-Beth, Xuanwen Wang, Rosemary K Sokas

Journal: American Journal of Industrial Medicine

Link 1: this article @ Pubmed

Link 2: this article @ Wiley Online Library

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