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Table 7 The risk levels and equivalent scores of OPHSRA index

From: Development of an observational - perceptual heat strain risk assessment (OPHSRA) index and its validation

Risk level

Equivalent score

Low

Less than 17.04

Moderate

17.04 to 20.05

High

20.06 to 22.10

Very high

More than 22.10

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BMC Public Health

ISSN: 1471-2458

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