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Validation of the Spanish Work Productivity and Activity impairment questionnaire: Crohn's disease version.
Eur J Gastroenterol Hepatol. 2009 Jul; 21(7):809-15.EJ

Abstract

BACKGROUND

The Work Productivity and Activity Impairment questionnaire has only been partially validated in Crohn's disease.

OBJECTIVE

To test the Work Productivity and Activity Impairment questionnaire for use in Crohn's disease patients.

METHODS

A validated Spanish translation of the test was assessed. 'Discriminant validity' was evaluated by comparing Work Productivity and Activity Impairment scores in Crohn's disease patients with active versus inactive disease, and in patients versus healthy controls. 'Convergent validity' was tested comparing Work Productivity and Activity Impairment questionnaire with quality of life, Crohn's disease activity index and a debriefing questionnaire. 'Reproducibility' of repeated tests was evaluated by comparing two Work Productivity and Activity Impairment measures obtained 2 weeks apart in stable patients. 'Responsiveness' was determined by comparing Work Productivity and Activity Impairment values in the same patients during a flare-up of Crohn's disease and during remission. The Wilcoxon test for paired data and the Mann-Whitney U test for unpaired data were used for comparisons.

RESULTS

One hundred and six patients were included in the various steps of the analysis. All Work Productivity and Activity Impairment parameters showed adequate discriminant and convergent validity and responsiveness. The test's reproducibility was also adequate, except for the evaluation of presenteeism (the impairment of productivity while working).

CONCLUSION

The Spanish Work Productivity and Activity Impairment questionnaire is a valid and reliable measurement of work impairment in Crohn's disease. Unexpectedly, the test did not present satisfactory reproducibility for the evaluation of presenteeism. The reliability of this last finding should be evaluated in further studies.

Authors+Show Affiliations

Digestive Disease Unit, Sabadell's Hospital, Autonomous Barcelona University, Barcelona, Spain. mvergara@tauli.catNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Validation Study

Language

eng

PubMed ID

19404204

Citation

Vergara, Mercedes, et al. "Validation of the Spanish Work Productivity and Activity Impairment Questionnaire: Crohn's Disease Version." European Journal of Gastroenterology & Hepatology, vol. 21, no. 7, 2009, pp. 809-15.
Vergara M, Montserrat A, Casellas F, et al. Validation of the Spanish Work Productivity and Activity impairment questionnaire: Crohn's disease version. Eur J Gastroenterol Hepatol. 2009;21(7):809-15.
Vergara, M., Montserrat, A., Casellas, F., Maudsley, M., Gallardo, O., Ricart, E., & Calvet, X. (2009). Validation of the Spanish Work Productivity and Activity impairment questionnaire: Crohn's disease version. European Journal of Gastroenterology & Hepatology, 21(7), 809-15. https://doi.org/10.1097/MEG.0b013e32830f4c9e
Vergara M, et al. Validation of the Spanish Work Productivity and Activity Impairment Questionnaire: Crohn's Disease Version. Eur J Gastroenterol Hepatol. 2009;21(7):809-15. PubMed PMID: 19404204.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Validation of the Spanish Work Productivity and Activity impairment questionnaire: Crohn's disease version. AU - Vergara,Mercedes, AU - Montserrat,Antònia, AU - Casellas,Francesc, AU - Maudsley,Michael, AU - Gallardo,Olga, AU - Ricart,Elena, AU - Calvet,Xavier, PY - 2009/5/1/entrez PY - 2009/5/1/pubmed PY - 2010/7/16/medline SP - 809 EP - 15 JF - European journal of gastroenterology & hepatology JO - Eur J Gastroenterol Hepatol VL - 21 IS - 7 N2 - BACKGROUND: The Work Productivity and Activity Impairment questionnaire has only been partially validated in Crohn's disease. OBJECTIVE: To test the Work Productivity and Activity Impairment questionnaire for use in Crohn's disease patients. METHODS: A validated Spanish translation of the test was assessed. 'Discriminant validity' was evaluated by comparing Work Productivity and Activity Impairment scores in Crohn's disease patients with active versus inactive disease, and in patients versus healthy controls. 'Convergent validity' was tested comparing Work Productivity and Activity Impairment questionnaire with quality of life, Crohn's disease activity index and a debriefing questionnaire. 'Reproducibility' of repeated tests was evaluated by comparing two Work Productivity and Activity Impairment measures obtained 2 weeks apart in stable patients. 'Responsiveness' was determined by comparing Work Productivity and Activity Impairment values in the same patients during a flare-up of Crohn's disease and during remission. The Wilcoxon test for paired data and the Mann-Whitney U test for unpaired data were used for comparisons. RESULTS: One hundred and six patients were included in the various steps of the analysis. All Work Productivity and Activity Impairment parameters showed adequate discriminant and convergent validity and responsiveness. The test's reproducibility was also adequate, except for the evaluation of presenteeism (the impairment of productivity while working). CONCLUSION: The Spanish Work Productivity and Activity Impairment questionnaire is a valid and reliable measurement of work impairment in Crohn's disease. Unexpectedly, the test did not present satisfactory reproducibility for the evaluation of presenteeism. The reliability of this last finding should be evaluated in further studies. SN - 1473-5687 UR - https://www.unboundmedicine.com/medline/citation/19404204/Validation_of_the_Spanish_Work_Productivity_and_Activity_impairment_questionnaire:_Crohn's_disease_version_ L2 - https://doi.org/10.1097/MEG.0b013e32830f4c9e DB - PRIME DP - Unbound Medicine ER -