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Reliability and concurrent validity of the Computer Workstation Checklist.

Authors
Baker-NA; Livengood-H; Jacobs-K
Source
Work 2013 Jun; 45(2):213-221
NIOSHTIC No.
20043044
Abstract
BACKGROUND: Self-report checklists are used to assess computer workstation set up, typically by workers not trained in ergonomic assessment or checklist interpretation. Though many checklists exist, few have been evaluated for reliability and validity. OBJECTIVE: This study examined reliability and validity of the Computer Workstation Checklist (CWC) to identify mismatches between workers' self-reported workstation problems. METHODS: The CWC was completed at baseline and at 1 month to establish reliability. Validity was determined with CWC baseline data compared to an onsite workstation evaluation conducted by an expert in computer workstation assessment. RESULTS: Reliability ranged from fair to near perfect (prevalence-adjusted bias-adjusted kappa, 0.38-0.93); items with the strongest agreement were related to the input device, monitor, computer table, and document holder. The CWC had greater specificity (11 of 16 items) than sensitivity (3 of 16 items). The positive predictive value was greater than the negative predictive value for all questions. CONCLUSION: The CWC has strong reliability. Sensitivity and specificity suggested workers often indicated no problems with workstation setup when problems existed. The evidence suggests that while the CWC may not be valid when used alone, it may be a suitable adjunct to an ergonomic assessment completed by professionals.
Keywords
Ergonomics; Human-factors-engineering; Work-areas; Computers; Computer-equipment; Office-equipment; Office-furniture; Health-surveys; Environmental-engineering; Analytical-instruments; Analytical-processes; Psychophysiology; Monitors; Questionnaires; Qualitative-analysis; Risk-analysis; Professional-workers; Author Keywords: Ergonomics; workplace; psychometrics
Contact
Nancy A. Baker, 5012 Forbes Tower, University of Pittsburgh, Pittsburgh, PA 15260, USA
CODEN
WORKFK
Publication Date
20130610
Document Type
Journal Article
Email Address
nab36@pitt.edu
Funding Type
Grant
Fiscal Year
2013
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-008961; M082013
Issue of Publication
2
ISSN
1051-9815
Source Name
Work
State
PA; MA
Performing Organization
University of Pittsburgh at Pittsburgh
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