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Validation of CollaboRATE and SURE - two short questionnaires to measure shared decision making during CPAP initiation.
Region Östergötland, Anaesthetics, Operations and Specialty Surgery Center, Department of Clinical Neurophysiology. Department of Nursing, School of Healthand Welfare, Jönköping University, Sweden.
School of Healthand Welfare, Jönköping University, Sweden; Social Determinants of Health ResearchCenter, Qazvin University of MedicalSciences, Ira.
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
Jönköping Academy for Health and Welfare, Jönköping University, Sweden; Region Jönköpings län, Futurum, Jönköping,Sweden.
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2018 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, article id e12808Article in journal (Refereed) Epub ahead of print
Abstract [en]

Adherence to continuous positive airway pressure (CPAP) treatment tends to be low. Brief validated instruments focusing on shared decision making have not been used in a CPAP context. The aim was to investigate factorial structure, categorical functioning of the response scale and differential item functioning across sub-populations of the CollaboRATE and Sure questionnaires among patients with obstructive sleep apnea (OSA) before CPAP treatment is initiated. A prospective design, including 193 objectively diagnosed (polygraphy) OSA patients (68% men, 59.7 years, SD 11.5) from two CPAP clinics was used. Data were collected with the following questionnaires; Sure, CollaboRATE, Attitudes to CPAP Inventory, Epworth sleepiness scale, minimal insomnia symptoms scale, and hospital anxiety and depression scale. Objective CPAP use was collected after 6 months; 49% demonstrated decisional conflict on SURE and 51% scored low levels of shared decision making on CollaboRATE. Unidimensionality was found for both CollaboRATE (one factor explaining 57.4%) and SURE (one factor explaining 53.7%), as well as local independence. Differential item functioning showed both to be invariant across both male and female patients. Internal consistency (Cronbach's alpha 0.83) and composite reliability (0.89) were good. Latent class analyses showed that patients with low decisional conflict and high shared decision making were more adherent to CPAP treatment. CollaboRATE and SURE provided good validity and reliability scores to measure shared decision making and decisional conflict in relation to CPAP treatment. The questionnaires can be used by healthcare personnel as a tool to simplify the assessment of shared decision making.

Place, publisher, year, edition, pages
John Wiley & Sons, 2018. article id e12808
Keywords [en]
adherence, continuous positive airway pressure treatment, obstructive sleep apnea, shared decision making, validation
National Category
Neurology
Identifiers
URN: urn:nbn:se:liu:diva-154638DOI: 10.1111/jsr.12808PubMedID: 30549161OAI: oai:DiVA.org:liu-154638DiVA, id: diva2:1291284
Available from: 2019-02-24 Created: 2019-02-24 Last updated: 2019-02-24

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Broström, AndersNilsen, PerUlander, Martin

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Broström, AndersNilsen, PerUlander, Martin
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Department of Clinical NeurophysiologyDivision of Community MedicineFaculty of Medicine and Health SciencesDivision of Neuro and Inflammation Science
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