A Comparison of the Correlation Between ESI and Other Thermal Indices (WBGT, WBDT, TWL, HI, SET, PET, PSI, and PSIHR): A Field Study

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ZARE SAJAD; HASHEMINEJAD NASER; AHMADI SAEID; Bateni Mokhles; BANESHI MOHAMMAD REZA; Hemmatjo Rasoul

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Journal: Health Scope Year:2019 | Volume:8 | Issue:1 Page(s): 0-0

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Title

A Comparison of the Correlation Between ESI and Other Thermal Indices (WBGT, WBDT, TWL, HI, SET, PET, PSI, and PSIHR): A Field Study

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Keywords

Dry Temperature

Heat

Heat Stress

Physiological Strain

Environmental Stress Index

Abstract

Background: Heat is one of the harmful physical factors in the workplace. Occupational Heat stress refers to the net load that the workers should put up with as a result of the combined impact of metabolic Heat, environmental factors, and clothing causing Heat storage in the body. Objectives: This study aimed to compare the correlation between Environmental Stress Index (ESI) and other thermal indices including wet-bulb globe temperature (WBGT), wet-bulb Dry Temperature (WBDT), thermal work limit (TWL), Heat index (HI), standard effective temperature (SET), and physiological equivalent temperature (PET). Methods: Data were collected from 30 workers in one pelletizing factory located in southeastern Iran. The measurement of environmental variables and workers’ physiological responses at the workplace was implemented in 10 conditions. Pearson productmoment correlation coefficient and linear regression were utilized to determine the relationship between ESI and environmental/ physiological variables. Results: The results showed that the strongest correlation was recorded between ESI and Dry Temperature (r = 0. 96), natural wet temperature (r = 0. 96), and heart rate in the working condition (r = 0. 94). ESI was strongly correlated withWBDT(r = 0. 99) andWBGT (r = 0. 98). Conclusions: It is concluded that ESI is strongly related to Heat indices(WBGT, WBDT, TWL, HI, SET, PET, PSI, andPSIHR)andHeat stress was higher than the legitimate range in some of the working stations. The highest coefficient was recorded for the relationship between ESI and WBDT.

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APA: Copy

ZARE, SAJAD, HASHEMINEJAD, NASER, AHMADI, SAEID, Bateni, Mokhles, BANESHI, MOHAMMAD REZA, & Hemmatjo, Rasoul. (2019). A Comparison of the Correlation Between ESI and Other Thermal Indices (WBGT, WBDT, TWL, HI, SET, PET, PSI, and PSIHR): A Field Study. HEALTH SCOPE, 8(1), 0-0. SID. https://sid.ir/paper/975327/en

Vancouver: Copy

ZARE SAJAD, HASHEMINEJAD NASER, AHMADI SAEID, Bateni Mokhles, BANESHI MOHAMMAD REZA, Hemmatjo Rasoul. A Comparison of the Correlation Between ESI and Other Thermal Indices (WBGT, WBDT, TWL, HI, SET, PET, PSI, and PSIHR): A Field Study. HEALTH SCOPE[Internet]. 2019;8(1):0-0. Available from: https://sid.ir/paper/975327/en

IEEE: Copy

SAJAD ZARE, NASER HASHEMINEJAD, SAEID AHMADI, Mokhles Bateni, MOHAMMAD REZA BANESHI, and Rasoul Hemmatjo, “A Comparison of the Correlation Between ESI and Other Thermal Indices (WBGT, WBDT, TWL, HI, SET, PET, PSI, and PSIHR): A Field Study,” HEALTH SCOPE, vol. 8, no. 1, pp. 0–0, 2019, [Online]. Available: https://sid.ir/paper/975327/en

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