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Responsiveness of the Work Role Functioning Questionnaire (Spanish Version) in a General Working Population

Ramada, José M. MD, MSc; Delclos, George L. MD, MPH, PhD; Amick, Benjamin C. III PhD; Abma, Femke I. PhD; Pidemunt, Gemma MD, PhD; Castaño, Juan R. MD; Bültmann, Ute PhD; Serra, Consol MD, PhD

Journal of Occupational and Environmental Medicine: February 2014 - Volume 56 - Issue 2 - p 189–194
doi: 10.1097/JOM.0000000000000074
Original Articles

Objective: To examine the responsiveness of the Work Role Functioning Questionnaire (Spanish version) (WRFQ-SpV) so that it could be used in evaluative studies.

Methods: A longitudinal survey was performed. Combinations of distribution- and anchor-based approaches were used. Five hypotheses were tested, examining validity of change scores. The consensus-based standards for the selection of health status measurement instruments (COSMIN) guided the study design.

Results: One hundred two participants (mean age, 47.3 years; SD = 10.3 years) completed the WRFQ-SpV twice, within a mean interval of 3.7 (SD = 1.8) months. Four hypotheses were confirmed and one was rejected. It was verified that the WRFQ-SpV was able to detect (true) changes over time.

Conclusion: Suggestive evidence about the possible use of the WRFQ-SpV with evaluative purposes was provided. More research is needed to examine the instrument responsiveness for groups whose health is stable or deteriorates.

From the CiSAL—Center for Research in Occupational Health (Drs Ramada, Delclos, and Serra), University Pompeu Fabra, Barcelona, Spain; Occupational Health Service (Drs Ramada and Serra), Orthopedic Surgery and Traumatology Service (Dr Pidemunt), and Psychiatry Service (Dr Castaño), Parc de Salut MAR, Hospital del Mar, Barcelona, Spain; CIBER of Epidemiology and Public Health (Drs Ramada, Delclos, and Serra), Barcelona, Spain; Southwest Center for Occupational and Environmental Health (Drs Delclos and Amick), University of Texas School of Public Health, Houston; Institute for Work & Health (Dr Amick), Toronto, Ontario, Canada; and Department of Health Sciences, Community and Occupational Medicine (Drs Abma and Bültmann), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.

Address correspondence to: José M. Ramada, MD, MSc, Occupational Health Service, Parc de Salut MAR, Hospital del Mar, Passeig Marítim 25-29, 08003-Barcelona, Spain (jramada@parcdesalutmar.cat).

This project was supported by a grant from the “Fondo de Investigaciones Sanitarias (FIS: PI12/02556), Instituto de Salud Carlos III, Subdirección General de Evaluación y Fomento de la Investigación, Ministerio de Ciencia e Innovación, Spanish Government.”

The authors declare no conflicts of interest.

Copyright © 2014 by the American College of Occupational and Environmental Medicine