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ABSTRACT
Objective: The objective of this study was to determine the feasibility of field-based biomonitoring of heat-related illness (HRI) phenomena in Florida farmworkers. The authors determined feasibility through participant interviews regarding acceptability, data capture, recruitment and retention, and observed barriers and challenges to implementation. Methods: Study participants were employed in fernery operations in northeast Central Florida where ornamental ferns are grown and harvested in a seasonally high-heat environment. In this pilot, a total of 43 farmworkers participated during summers 2012 and 2013 and measurements included body core temperature, heart rate, energy expenditure, urine and blood osmolality, and self-reported HRI symptoms. Results: Data capture was approximately 90%. Participants reported that the study methods were nonobtrusive to their work, and that they were comfortable with study measures. Conclusions: These results open possibilities for characterizing HRI utilizing physiologic biomonitoring in vulnerable occupational groups.
Acknowledgments
We would like to acknowledge the Nell Hodgson Woodruff School of Nursing, the Farmworker Association of Florida, Maria Prokop, Consuelo Arellano, Tirso Moreno, Marcos Crisanto, Jennifer Davis Runkle, Bryan Willams, and Marie Semple for their invaluable support for this work.
Funding
This research was supported by the following awards: Pesticide Exposure in Female Farmworkers of Childbearing Age Survey (R21OH009830) for The National Institute of Environmental Health Science, Ruth L. Kirschstein National Research Service Award (5 F31NR014611-02) from The National Institute of Nursing Research, and a University of South Florida Sunshine ERC Pilot Award from The National Institute for Occupational Health and Safety.