| Analysis of an observational rating scale for repetition, posture, and force in selected manufacturing settings. | |
MedLine Citation:
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PMID: 17063964 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The aim of this work was to quantify the interrater reliability of a set of scales that assess repetition, posture, and force as used on site when examining industrial work. BACKGROUND: Interrater reliability of observational assessment methods can vary depending on the definition of the methods and situations in which they are used. METHOD: In several industries, 846 jobs were assessed using pairs of analysts to rate the repetition, force, and posture of the upper limbs. Twelve analysts with varying experience levels participated. RESULTS: Using an interclass correlation coefficient (ICC), force and repetition had reliability values of .60 and .71 before and .82 and .87 after discussion, respectively. After discussion, peak posture ratings had ICCs of .60 to .83. ICCs for average posture ratings ranged from .31 to .51 initially to .55 to .67 in final ratings. Less experienced analysts changed their initial ratings more than did the senior investigators. CONCLUSION: The high interrater reliability of the repetition and force metrics indicates that a single analyst is appropriate for basic job assessment. Posture ratings benefit greatly from a two-analyst system. Average postures should be assessed across a full range of the scale for interrater reliability assessment. Analyst pairs should be rotated to avoid forming biases. APPLICATION: For basic assessments of forceful exertions and repetitive motions, a single analyst can be used, reducing the resource requirements for both industry and large epidemiological studies. |
Authors:
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Marissa L Ebersole; Thomas J Armstrong |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Validation Studies |
Journal Detail:
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Title: Human factors Volume: 48 ISSN: 0018-7208 ISO Abbreviation: Hum Factors Publication Date: 2006 |
Date Detail:
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Created Date: 2006-10-26 Completed Date: 2006-12-14 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0374660 Medline TA: Hum Factors Country: United States |
Other Details:
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Languages: eng Pagination: 487-98 Citation Subset: IM; S |
Affiliation:
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University of Michigan, Ann Arbor, Michigan, USA. marissal@umich.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Humans Michigan Observer Variation* Occupational Exposure / analysis Physical Exertion* Posture* Task Performance and Analysis* Upper Extremity |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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