Validity of the Dictionary of Occupational Titles for Assessing Upper Extremity Work Demands

Lonneke Opsteegh, Remko Soer, Heleen A Reinders-Messelink, Michiel F Reneman and Corry K van der Sluis

PLOS ONE, 2010, vol. 5, issue 12, 1-6

Abstract: Objectives: The Dictionary of Occupational Titles (DOT) is used in vocational rehabilitation to guide decisions about the ability of a person with activity limitations to perform activities at work. The DOT has categorized physical work demands in five categories. The validity of this categorization is unknown. Aim of this study was to investigate whether the DOT could be used validly to guide decisions for patients with injuries to the upper extremities. Four hypotheses were tested. Methods: A database including 701 healthy workers was used. All subjects filled out the Dutch Musculoskeletal Questionnaire, from which an Upper Extremity Work Demands score (UEWD) was derived. First, relation between the DOT-categories and UEWD-score was analysed using Spearman correlations. Second, variance of the UEWD-score in occupational groups was tested by visually inspecting boxplots and assessing kurtosis of the distribution. Third, it was investigated whether occupations classified in one DOT-category, could significantly differ on UEWD-scores. Fourth, it was investigated whether occupations in different DOT-categories could have similar UEWD-scores using Mann Whitney U-tests (MWU). Results: Relation between the DOT-categories and the UEWD-score was weak (rsp = 0.40; p

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0015158

DOI: 10.1371/journal.pone.0015158

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