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Work. 2013;45(2):213-21. doi: 10.3233/WOR-131603.

Reliability and concurrent validity of the computer workstation checklist.

Author information

1
Department of Occupational Therapy, University of Pittsburgh, Pittsburgh, PA, USA. nab36@pitt.edu

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.

PMID:
23478370
DOI:
10.3233/WOR-131603
[Indexed for MEDLINE]
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