Heat exposure in sugarcane harvesters in Costa Rica

被引:91
作者
Crowe, Jennifer [1 ]
Wesseling, Catharina [1 ]
Roman Solano, Bryan [2 ]
Pinto Umana, Manfred [2 ]
Robles Ramirez, Andres [2 ]
Kjellstrom, Tord [3 ]
Morales, David [4 ]
Nilsson, Maria [3 ]
机构
[1] Univ Nacl, Cent Amer Inst Studies Tox Subst IRET, Program Work Environm & Hlth Cent Amer SALTRA, Heredia, Costa Rica
[2] Inst Tecnol Costa Rica, Sch Engn Occupat Hlth & Environm Hyg, Heredia, Costa Rica
[3] Umea Univ, Umea Ctr Global Hlth Res, S-90187 Umea, Sweden
[4] Univ Nacl, Mesoamer Sustainable Dev Ctr Dry Trop CEMEDE, Nicoya, Costa Rica
关键词
agricultural worker; sugarcane; heat stress; exposure; Central America; AGRICULTURAL-WORKERS; CLIMATE-CHANGE; STRESS; HOT; ILLNESS; HEALTH;
D O I
10.1002/ajim.22204
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background Occupational heat stress is a major concern in sugarcane production and has been hypothesized as a causal factor of a chronic kidney disease epidemic in Central America. This study described working conditions of sugarcane harvesters in Costa Rica and quantified their exposure to heat. Methods Non-participatory observation and Wet Bulb Globe Temperatures (WBGT) according to Spanish NTP (Technical Prevention Notes) guidelines were utilized to quantify the risk of heat stress. OSHA recommendations were used to identify corresponding exposure limit values. Results Sugarcane harvesters carried out labor-intensive work with a metabolic load of 261W/m(2) (6.8kcal/min), corresponding to a limit value of 26 degrees WBGT which was reached by 7:30am on most days. After 9:15am, OSHA recommendations would require that workers only work 25% of each hour to avoid health risks from heat. Conclusions Sugarcane harvesters are at risk for heat stress for the majority of the work shift. Immediate action is warranted to reduce such exposures. Am. J. Ind. Med. 56:1157-1164, 2013. (c) 2013 Wiley Periodicals, Inc.
引用
收藏
页码:1157 / 1164
页数:8
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