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Validity of the Visual Trajectories Questionnaire for Pain

Dunn, Kate M.; Campbell, Paul; Jordan, Kelvin P.

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Abstract

Researchers have identified trajectories of pain derived using statistical techniques on longitudinal data. These trajectories have potential to be of use clinically but the repeated data collection required is currently impractical for such situations. Our aim was to investigate the validity of a self-report (Visual Trajectories Questionnaire-Pain) for pain. Analysis included participants from 2 prospective cohorts of people seeking primary health care for back pain (n?=?622). A question was developed asking people to classify their pain experience into one of a number of trajectories using visual and word descriptions. Overall 98% of participants completed the question; criterion validity was established by comparing self-report trajectories and trajectories derived using longitudinal latent class analysis, and construct validity was established by comparing responses to the questionnaire against an existing model of back pain stages. As expected variables such as pain intensity and widespreadness, other symptoms, and psychological distress showed an increasing trend of severity across trajectory categories in line with the hypothesized model. In conclusion, the self-report single-item Visual Trajectories Questionnaire-Pain is acceptable to patients and supported by evidence of face, criterion, and construct validity. Further research is needed to investigate the clinical usefulness of the question.

Journal Article Type Article
Acceptance Date Jul 17, 2017
Publication Date Aug 24, 2017
Publicly Available Date May 26, 2023
Journal The Journal of Pain
Publisher Elsevier
Pages 1451-1458
DOI https://doi.org/10.1016/j.jpain.2017.07.011
Keywords Pain; measurement; trajectories; questionnaire; validity
Publisher URL http://www.sciencedirect.com/science/article/pii/S1526590017306752
PMID 28842368

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