The Online Patient Satisfaction Index for Patients With Low Back Pain: Development, Reliability, and Validation Study

Tamana Afzali, Henrik Hein Lauridsen, Janus Laust Thomsen, Jan Hartvigsen, Martin Bach Jensen, Allan Riis

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Abstrakt

Background: Low back pain is highly prevalent, and most often, a specific causative factor cannot be identified. Therefore, for most patients, their low back pain is labeled as nonspecific. Patient education and information are recommended for all these patients. The internet is an accessible source of medical information on low back pain. Approximately 50% of patients with low back pain search the internet for health and medical advice. Patient satisfaction with education and information is important in relation to patients' levels of inclination to use web-based information and their trust in the information they find. Although patients who are satisfied with the information they retrieve use the internet as a supplementary source of information, dissatisfied patients tend to avoid using the internet. Consumers' loyalty to a product is often applied to evaluate their satisfaction. Consumers have been shown to be good ambassadors for a service when they are willing to recommend the service to a friend or colleague. When consumers are willing to recommend a service to a friend or colleague, they are also likely to be future users of the service. To the best of our knowledge, no multi-item instrument exists to specifically evaluate satisfaction with information delivered on the web for people with low back pain. Objective: This study aims to report on the development, reliability testing, and construct validity testing of the Online Patient Satisfaction Index to measure patients' satisfaction with web-based information for low back pain. Methods: This is a cross-sectional validation study of the Online Patient Satisfaction Index. The index was developed with experts and assessed for face validity. It was subsequently administered to 150 adults with nonspecific low back pain. Of these, 46% (70/150) were randomly assigned to participate in a reliability test using an intraclass correlation coefficient of agreement. Construct validity was evaluated by hypothesis testing based on a web app (MyBack) and Wikipedia on low back pain. Results: The index includes 8 items. The median score (range 0-24) based on the MyBack website was 20 (IQR 18-22), and the median score for Wikipedia was 12 (IQR 8-15). The entire score range was used. Overall, 53 participants completed a retest, of which 39 (74%) were stable in their satisfaction with the home page and were included in the analysis for reliability. Intraclass correlation coefficient of agreement was estimated to be 0.82 (95% CI 0.68-0.90). Two hypothesized correlations for construct validity were confirmed through an analysis using complete data. Conclusions: The index had good face validity, excellent reliability, and good construct validity and can be used to measure satisfaction with the provision of web-based information regarding nonspecific low back pain among people willing to access the internet to obtain health information. Trial Registration: ClinicalTrials.gov NCT03449004; https://clinicaltrials.gov/ct2/show/NCT03449004
OriginalsprogEngelsk
Artikelnummere21462
TidsskriftJMIR formative research
Vol/bind5
Udgave nummer11
Antal sider12
ISSN2561-326X
DOI
StatusUdgivet - 15 nov. 2021

Bibliografisk note

©Tamana Afzali, Henrik Hein Lauridsen, Janus Laust Thomsen, Jan Hartvigsen, Martin Bach Jensen, Allan Riis. Originally published in JMIR Formative Research (https://formative.jmir.org), 15.11.2021.

Emneord

  • data accuracy
  • patient satisfaction
  • rehabilitation
  • low back pain
  • internet-based intervention
  • mobile phone

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