Heat-Related Illness in Midwestern Hispanic Farmworkers: A Descriptive Analysis of Hydration Status and Reported Symptoms
Open accessAbstract
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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Wearables are applied in diverse fields of health.
“Apart from these 2 examples, wearables are applied in diverse fields of health, including acoustic, gastrointestinal sensors for ileus prediction [18]; UV sun exposure [19]; heat-related illness measurements [20]; electrolyte monitoring, for example, for cystic fibrosis or training management [21,22]; early warning of AF with a wearable ring [23]; generation of electrocardiograms (ECGs) [15];”
From The impact of wearable technologies in health research: scoping review (2022) · cites this paper as [20]
Culp and Tonelli et al. (2019) found considerably higher body temperatures, increased heart rate, and respiration rate in the uncomfortable intensity category among agricultural workers.
“The authors discovered considerably higher body temperatures, increased hr, and respiration rate in the uncomfortable intensity category.”
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- Authors
- Culp, K., & Tonelli, S.
- Affiliations
- University of Iowa (US)
- Corresponding author
- Culp, Kennith
- ORCID
- Culp, Kennith
- Venue
- Workplace Health & Safety
- Publisher
- SAGE Publications
- Published
- 2019-02-06
- Volume
- 67
- Issue
- 4
- Pages
- 168-178
- ISSN
- 2165-0799 (ISSN-L)
- 2165-0969
- PMC
- PMC7497869
- OpenAlex
- W2911446903
- Cited by
- 39
- References
- 54
- Citations by year
- 2026: 8 · 2025: 9 · 2024: 3 · 2023: 4 · 2022: 9 · 2021: 5 · 2020: 1
- FWCI
- 2.56
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Workplace Health & Safety (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- Institute for Clinical and Translational Science (ICTS) at the University of Iowa (5UL1RR0024979)
- Topics
- Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture and Farm Safety
- Health Sciences › Health Professions › Occupational Therapy › Occupational Health and Safety in Workplaces
- Keywords
- heat-related illness, Hispanic farmworkers, hydration status, wearable sensors, body temperature, heart rate, respiratory rate, heat stress, occupational heat exposure, Midwestern United States
- MeSH terms
- Farmers, Organism Hydration Status, Adolescent, Adult, Aged, Agricultural Workers' Diseases, Cross-Sectional Studies, Hot Temperature, Hispanic or Latino, Humans, Male, Middle Aged, Transients and Migrants, Midwestern United States, Heat Stress Disorders, Young Adult, Self Report
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