Psychometric testing of the British English Workplace Activity Limitations Scale in four rheumatic and musculoskeletal conditions

ABSTRACT: Abstract

Objectives

The aims were to validate a British English version of the Workplace Activity Limitations Scale (WALS) linguistically, then test this psychometrically in RA, axial spondyloarthritis (axSpA), OA and FM.

Methods

The WALS was forward translated, reviewed by an expert panel, and cognitive debriefing interviews were conducted. Participants completed a postal questionnaire booklet. Construct (structural) validity was examined by fit to the Rasch measurement model. Concurrent validity included testing between the WALS and the Work Limitations Questionnaire-25 (WLQ-25). Two weeks later, participants were mailed a second questionnaire booklet for test–retest reliability.

Results

Minor wording changes were made to the WALS, then 831 employed participant

SUBMITTER:  

PROVIDER: S-EPMC10027431 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature