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Psychometric testing of the British‐English Long‐Term Conditions Job Strain Scale, Long‐Term Conditions Work Spillover Scale and Work‐Health‐Personal Life Perceptions Scale in four rheumatic and musculoskeletal conditions

Hammond, Alison; Tennant, Alan; Ching, Angela; Parker, Jennifer; Prior, Yeliz; Gignac, Monique A. M.; Verstappen, Suzanne M. M.; O’Brien, Rachel

Authors

Alan Tennant

Angela Ching

Monique A. M. Gignac

Suzanne M. M. Verstappen

Rachel O’Brien



Abstract

Objective: The aims were to validate linguistically British-English versions of the Long-Term Conditions Job Strain Scale (LTCJSS), Long-Term Conditions Work Spillover Scale (LTCWSS) and Work-Health-Personal Life Perceptions Scale (WHPLPS) in rheumatoid arthritis (RA), axial spondyloarthritis (axSpA), osteoarthritis (OA) and fibromyalgia (FM).

Methods: The three scales were forward translated and reviewed by an expert panel prior to cognitive debriefing interviews. Participants completed a postal questionnaire. Construct validity was assessed using Rasch analysis. Concurrent validity included testing between the three scales and work (e.g., Workplace Activity Limitations Scale (WALS)) and condition-specific health scales. Two weeks later, participants were mailed a second questionnaire to measure test-retest reliability.

Results: The questionnaire was completed by 831 employed participants: 68% women; 53.5 (SD 8.9) years of age; with condition duration 7.7 (SD 8.0) years. The LTCJSS, LTCWSS and WHPLPS Parts 1 and 2 satisfied Rasch model requirements, but Part 3 did not. A Rasch transformation scale, and a Reference Metric equating scales with the WALS, were created. Concurrent validity was generally good (rs =0.41-0.85) for the three scales, except the WHPLPS Part 3. Internal consistency (Person Separation Index values) was consistent with group use in all conditions, and individual use except for the LTCWSS and WHPLSP Parts 1 and 2 in FM. Test-retest reliability was excellent, with intraclass coefficients (2,1) of 0.80 – 0.96 for the three scales in the four conditions.

Discussion: Reliable, valid versions of the British-English LTCJSS, LTCWSS and WHPLPS Parts 1 and 2 are now available for use in the UK.

Citation

Hammond, A., Tennant, A., Ching, A., Parker, J., Prior, Y., Gignac, M. A. M., …O’Brien, R. (2023). Psychometric testing of the British‐English Long‐Term Conditions Job Strain Scale, Long‐Term Conditions Work Spillover Scale and Work‐Health‐Personal Life Perceptions Scale in four rheumatic and musculoskeletal conditions. Musculoskeletal Care, 21(4), 1020-1035. https://doi.org/10.1002/msc.1774

Journal Article Type Article
Acceptance Date Apr 22, 2023
Online Publication Date May 10, 2023
Publication Date May 10, 2023
Deposit Date Jun 1, 2023
Publicly Available Date Jun 1, 2023
Journal Musculoskeletal Care
Print ISSN 1478-2189
Electronic ISSN 1557-0681
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 21
Issue 4
Pages 1020-1035
DOI https://doi.org/10.1002/msc.1774
Keywords Nursing (miscellaneous), Rehabilitation, Physical Therapy, Sports Therapy and Rehabilitation, Orthopedics and Sports Medicine, Chiropractics, Rheumatology
Additional Information Supplementary Materials available

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