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Reliability and criterion validity of an observation protocol for working technique assessments in cash register work
Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University Hospital.
Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University Hospital.
University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational and Public Health Sciences. University of Gävle, Centre for Musculoskeletal Research.ORCID iD: 0000-0003-1443-6211
Unit of Occupational Medicine, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Centre for Occupational and Environmental Medicine, Stockholm County Council, Stockholm, Sweden .
2016 (English)In: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Vol. 59, no 6, 829-839 p.Article in journal (Refereed) Published
Abstract [en]

We evaluated the intra- and inter-observer reliability and criterion validity of an observation protocol, developed in an iterative process involving practicing ergonomists, for assessment of working technique during cash register work for the purpose of preventing upper extremity symptoms. Two ergonomists independently assessed 17 15-min videos of cash register work on two occasions each, as a basis for examining reliability. Criterion validity was assessed by comparing these assessments with meticulous video-based analyses by researchers. Intra-observer reliability was acceptable (i.e. proportional agreement >0.7 and kappa>0.4) for 10/10 questions. Inter-observer reliability was acceptable for only 3/10 questions. An acceptable inter-observer reliability combined with an acceptable criterion validity was obtained only for one working technique aspect ‘Quality of movements’. Thus, major elements of the cashiers’ working technique could not be assessed with an acceptable accuracy from short periods of observations by one observer, such as often desired by practitioners.

Place, publisher, year, edition, pages
2016. Vol. 59, no 6, 829-839 p.
Keyword [en]
repetitive work, observational reliability, upper extremity disorders, prevention, workstyle
National Category
Environmental Health and Occupational Health
Identifiers
URN: urn:nbn:se:hig:diva-17328DOI: 10.1080/00140139.2015.1098734ISI: 000380150600010PubMedID: 26538287Scopus ID: 2-s2.0-84946426743OAI: oai:DiVA.org:hig-17328DiVA: diva2:736809
Note

Funder: Swedish Retail and Wholesale Development Council 2008:2 

Available from: 2014-08-08 Created: 2014-08-08 Last updated: 2016-09-05Bibliographically approved

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Mathiassen, Svend Erik
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CiteExportLink to record
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Citation style
  • apa
  • harvard-cite-them-right
  • ieee
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  • Other style
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  • sv-SE
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