Can a single-item measure assess physical load at work? An analysis from the GAZEL cohort. - Archive ouverte HAL Access content directly
Journal Articles J Occup Environ Med Year : 2012

Can a single-item measure assess physical load at work? An analysis from the GAZEL cohort.

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Abstract

OBJECTIVE: The assessment of workplace physical load is highly resource intensive. This study tested whether a single-item measure asking individuals about perceived physical strain (PPS) at work was an acceptable proxy for physical load. METHODS: The study was conducted in a subset of the GAZEL cohort (n = 2612) undergoing assessment of exposure to 38 occupational biomechanical constraints (representing eight domains) in 1994. Test-retest reliability analyses compared PPS in 1994 and 1995. Validity analyses compared PPS in 1994 to concurrent strains assessed in the more extensive measure. RESULTS: The measure showed adequate test-retest reliability. Within and across domains of physical load, linear relationships (P < 0.0001) existed between n exposures and PPS. Domains considered more strenuous (carrying loads, pulling objects) showed the highest PPS. CONCLUSIONS: Perceived physical strain approximates physical load in the absence of detailed measures. Perceived physical strain could be used in nonoccupational epidemiologic studies.
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Origin : Files produced by the author(s)
Origin : Files produced by the author(s)
Origin : Files produced by the author(s)
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Dates and versions

inserm-00720693 , version 1 (01-05-2013)

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Erika L. Sabbath, Marcel Goldberg, Qiong Wu, Alexis Descatha. Can a single-item measure assess physical load at work? An analysis from the GAZEL cohort.: Validity of a work-related physical strain measure. J Occup Environ Med, 2012, 54 (5), pp.598-603. ⟨10.1097/JOM.0b013e31824af5a8⟩. ⟨inserm-00720693⟩
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