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Development and validation of a questionnaire evaluating patient anxiety during Magnetic Resonance Imaging: the Magnetic Resonance Imaging-Anxiety Questionnaire (MRI-AQ)
Ryhov County Hospital.
Linnaeus University, Faculty of Health and Life Sciences, Department of Health and Caring Sciences. Linköping University.ORCID iD: 0000-0002-0961-5250
Linköping University.
Karolinska Univ Hosp ; Karolinska Institutet.
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2016 (English)In: Journal of Advanced Nursing, ISSN 0309-2402, E-ISSN 1365-2648, Vol. 72, no 6, p. 1368-1380Article in journal (Refereed) Published
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Abstract [en]

Aim. To develop and validate a new instrument measuring patient anxiety during Magnetic Resonance Imaging examinations, Magnetic Resonance Imaging-Anxiety Questionnaire. Background. Questionnaires measuring patients' anxiety during Magnetic Resonance Imaging examinations have been the same as used in a wide range of conditions. To learn about patients' experience during examination and to evaluate interventions, a specific questionnaire measuring patient anxiety during Magnetic Resonance Imaging is needed. Design. Psychometric cross-sectional study with test-retest design. Methods. A new questionnaire, Magnetic Resonance Imaging-Anxiety Questionnaire, was designed from patient expressions of anxiety in Magnetic Resonance Imaging-scanners. The sample was recruited between October 2012-October 2014. Factor structure was evaluated with exploratory factor analysis and internal consistency with Cronbach's alpha. Criterion-related validity, known-group validity and test-retest was calculated. Results. Patients referred for Magnetic Resonance Imaging of either the spine or the heart, were invited to participate. The development and validation of Magnetic Resonance Imaging-Anxiety Questionnaire resulted in 15 items consisting of two factors. Cronbach's alpha was found to be high. Magnetic Resonance Imaging-Anxiety Questionnaire correlated higher with instruments measuring anxiety than with depression scales. Known-group validity demonstrated a higher level of anxiety for patients undergoing Magnetic Resonance Imaging scan of the heart than for those examining the spine. Test-retest reliability demonstrated acceptable level for the scale. Conclusion. Magnetic Resonance Imaging-Anxiety Questionnaire bridges a gap among existing questionnaires, making it a simple and useful tool for measuring patient anxiety during Magnetic Resonance Imaging examinations.

Place, publisher, year, edition, pages
2016. Vol. 72, no 6, p. 1368-1380
Keyword [en]
anxiety, instrument development, magnetic resonance imaging, nurse, nursing, reliability, validity
National Category
Nursing
Research subject
Health and Caring Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-53328DOI: 10.1111/jan.12917ISI: 000376007400014PubMedID: 26893007Scopus ID: 2-s2.0-84975699491OAI: oai:DiVA.org:lnu-53328DiVA, id: diva2:935436
Available from: 2016-06-10 Created: 2016-06-10 Last updated: 2017-12-08Bibliographically approved

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Årestedt, Kristofer

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