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Heat-Related Illness in Midwestern Hispanic Farmworkers: A Descriptive Analysis of Hydration Status and Reported Symptoms
Journal article   Open access   Peer reviewed

Heat-Related Illness in Midwestern Hispanic Farmworkers: A Descriptive Analysis of Hydration Status and Reported Symptoms

Kennith Culp and Shalome Tonelli
Workplace health & safety, Vol.67(4), pp.168-178
04/2019
DOI: 10.1177/2165079918813380
PMID: 30724664
url
https://doi.org/10.1177/2165079918813380View
Published (Version of record) Open Access

Abstract

Heat-related illness (HRI) is a largely undocumented phenomenon in Midwestern Hispanic migrant and seasonal farmworkers in the United States. Frequently, the physiological burden of crop production is overlooked while workers are in the fields. We completed a mixed-methods study using a cross-sectional survey among migrant and seasonal farmworkers about their experience with HRI symptoms ( N = 148) and conducted an intensive surveillance on a smaller group of workers ( N = 20) in field trials ( N = 57 trials) using a chest-strapped multi-parameter monitoring wearable sensor (MPMWS) that measured skin/body temperature, heart and breathing rate, kilocalories burned per hour, and provided a physiological intensity (PI) score. The field trials were conducted across three classes of climate conditions and three PI score categories. We found that those in the uncomfortable category (PI score > 4.0) had a statistically significant ( F ratio = 16.41, p < .001) higher body temperatures ( M = 100.05°F) than those with a mild PI (range = 0-5) score ⩽ 2.5 ( M = 99.56°F) or moderate PI score > 2.5-4 (99.84°F). We also found that those in the uncomfortable climate condition category had a higher mean heart rate and breathing rate than those working under mild and moderate field trials.

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