Journal
JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
Volume 59, Issue 7, Pages 649-658Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/JOM.0000000000000988
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Funding
- National Institutes of Occupational Safety and Health [OH007550, OH010243]
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Objective:The California heat illness prevention study (CHIPS) devised methodology and collected physiological data to assess heat related illness (HRI) risk in Latino farmworkers.Methods:Bilingual researchers monitored HRI across a workshift, recording core temperature, work rate (metabolic equivalents [METs]), and heart rate at minute intervals. Hydration status was assessed by changes in weight and blood osmolality. Personal data loggers and a weather station measured exposure to heat. Interviewer administered questionnaires were used to collect demographic and occupational information.Results:California farmworkers (n=588) were assessed. Acceptable quality data was obtained from 80% of participants (core temperature) to 100% of participants (weight change). Workers (8.3%) experienced a core body temperature more than or equal to 38.5 degrees C and 11.8% experienced dehydration (lost more than 1.5% of body weight).Conclusions:Methodology is presented for the first comprehensive physiological assessment of HRI risk in California farmworkers.
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