A Comparison of the correlation between heat stress indices (UTCI, WBGT, WBDT, TSI) and physiological parameters of workers in Iran
- سال انتشار: 1398
- محل انتشار: یازدهمین همایش سراسری بهداشت و ایمنی کار
- کد COI اختصاصی: NCOHS11_057
- زبان مقاله: انگلیسی
- تعداد مشاهده: 392
نویسندگان
Assistant Professor, Department of Occupational Health, School of Public Health, Urmia University of Medical Sciences, Urmia
Assistant Professor, Department of Occupational Health, School of Public Health, Urmia University of Medical Sciences, Urmia
Assistant Professor, Department of Occupational Health, School of Public Health, Urmia University of Medical Sciences, Urmia
Assistant Professor, Department of Occupational Health, School of Public Health, Urmia University of Medical Sciences, Urmia
Assistant Professor, Department of Occupational Health, School of Public Health, Urmia University of Medical Sciences, Urmia
Assistant Professor, Department of Occupational Health, School of Public Health, Urmia University of Medical Sciences, Urmia
چکیده
Background: Heat is one of the harmful agents in many workplaces. The current study aimed at investigating the correlation between heat stress indices (Universal Thermal Climate Index (UTCI), wet-bulb globe temperature (WBGT), wet-bulb dry temperature (WBDT), Tropical Summer Index (TSI)) and Physiological parameters in the mine workers.Materials & Methods: This cross-sectional study was conducted among workers of one of the mines located in southeast Iran in July-August 2017. Workplace environmental parameters and workers’ physiological parameters were measured in thirty different ways from 10 AM to 2 PM. The collected data were fed into SPSS 20 followed by conducting Pearson product moment correlation to detect the relationship between heat stress indices and workers’ physiological parameters; and between heat indices by themselves.Results: The results of data analysis indicated that the mean scores of UTCI, WBGT, WBDT, and TSI were 34.59 ± 1.51 °C, 24.59 ± 0.62 °C, 28.37 ± 0.82 °C, and 31.51 ± 0.7 °C, respectively. On the other hand, the results of Pearson correlation revealed that UTCI and WBDT had the strongest association (r = 0.93, p < 0.0001). A significant correlation was also observed between UTCI and WBGT (r = 0.44, p < 0.0001). Conversely, no measurable correlation was detected between heat stress indices and workers’ physiological parameters (p > 0.05).Conclusion: The only statistically significant difference is related to skin temperature and two indices (WBGT & TSI). According to the value obtained for UTCI, the workers were exposed to severe heat stress. However, based on WBGT value and ISO 7243 standards for an adapted person, workers were not exposed to heat stress.کلیدواژه ها
heat stress, indices, physiological parameters, mineمقالات مرتبط جدید
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