Nell Hodgson Woodruff School of Nursing (Dr Mac, Dr Mix, Dr Hertzberg, Dr McCauley); Rollins School of Public Health (Ms Elon), Emory University, Atlanta, Georgia; Farmworkers Association of Florida, Apopka (Dr Tovar-Aguilar, Ms Economos); and Levine College of Law, University of Florida, Gainesville (Mrs Flocks), Florida.
J Occup Environ Med. 2021 May 1;63(5):395-402. doi: 10.1097/JOM.0000000000002150.
There is a compelling need to identify agricultural workers at risk for heat related illness (HRI).
Data from Florida agricultural workers (N = 221) were collected over 3 summer workdays (2015 to 2017) to examine risk factors for exceeding NIOSH-recommended core temperature (Tc) thresholds (38 °C [Tc38] and 38.5 °C [Tc38.5]) using generalized linear mixed models.
On an average workday, 49% of participants exceeded Tc38 and 10% exceeded Tc38.5. On average, participants first exceeded both thresholds early in the day; the Tc38 threshold mid-morning (10:38 AM), and Tc38.5 about a half hour later (11:10 AM). Risk factors associated with exceeding Tc38 included years working in US agriculture, body mass index, time performing moderate-to-vigorous physical activity, increasing heat index, and field crop work.
The high prevalence of core temperatures exceeding recommended limits emphasizes the serious need for mandated HRI prevention programs for outdoor workers.
迫切需要识别易患与热相关疾病（HRI）的农业工人。
在 3 个夏季工作日（2015 年至 2017 年）期间收集了佛罗里达州农业工人的数据，以使用广义线性混合模型来研究超过 NIOSH 推荐的核心温度（Tc）阈值（38°C [Tc38]和 38.5°C [Tc38.5]）的风险因素。
在平均工作日，有 49%的参与者超过了 Tc38，有 10%的参与者超过了 Tc38.5。平均而言，参与者最早在当天早些时候就首次超过了这两个阈值；Tc38 阈值在上午 10:38（上午 10:38），而 Tc38.5 则大约半小时后（上午 11:10）。与超过 Tc38 相关的风险因素包括在美国农业工作的年限、体重指数、从事中到高强度体力活动的时间、不断增加的热指数以及田间作物工作。
核心温度超过建议限值的高患病率强调了为户外工作者强制实施 HRI 预防计划的严重必要性。
