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dc.contributor.authorDavey, Christopher J.
dc.contributor.authorHarley, C.
dc.contributor.authorElliott, David B.
dc.date.accessioned2019-10-03T11:26:10Z
dc.date.accessioned2019-10-24T10:16:08Z
dc.date.available2019-10-03T11:26:10Z
dc.date.available2019-10-24T10:16:08Z
dc.date.issued2013-06-13
dc.identifier.citationDavey CJ, Harley C and Elliott DB (2013) Levels of state and trait anxiety in patients referred to ophthalmology by primary care clinicians: a cross sectional study. PLoS ONE. 8(6): e65708.en_US
dc.identifier.urihttp://hdl.handle.net/10454/17334
dc.descriptionYesen_US
dc.description.abstractPurpose There is a high level of over-referral from primary eye care leading to significant numbers of people without ocular pathology (false positives) being referred to secondary eye care. The present study used a psychometric instrument to determine whether there is a psychological burden on patients due to referral to secondary eye care, and used Rasch analysis to convert the data from an ordinal to an interval scale. Design Cross sectional study. Participants and Controls 322 participants and 80 control participants. Methods State (i.e. current) and trait (i.e. propensity to) anxiety were measured in a group of patients referred to a hospital eye department in the UK and in a control group who have had a sight test but were not referred. Response category analysis plus infit and outfit Rasch statistics and person separation indices were used to determine the usefulness of individual items and the response categories. Principal components analysis was used to determine dimensionality. Main Outcome Measure Levels of state and trait anxiety measured using the State-Trait Anxiety Inventory. Results State anxiety scores were significantly higher in the patients referred to secondary eye care than the controls (p<0.04), but similar for trait anxiety (p>0.1). Rasch analysis highlighted that the questionnaire results needed to be split into “anxiety-absent” and “anxiety-present” items for both state and trait anxiety, but both subscales showed the same profile of results between patients and controls. Conclusions State anxiety was shown to be higher in patients referred to secondary eye care than the controls, and at similar levels to people with moderate to high perceived susceptibility to breast cancer. This suggests that referral from primary to secondary eye care can result in a significant psychological burden on some patients.en_US
dc.description.sponsorshipUniversity of Bradforden_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttps://doi.org/10.1371/journal.pone.0065708en_US
dc.rights(c) 2013 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY license (https://creativecommons.org/licenses/by/4.0/)en_US
dc.subjectPrimary eye careen_US
dc.subjectSecondary eye careen_US
dc.subjectRasch analysisen_US
dc.subjectState anxietyen_US
dc.titleLevels of state and trait anxiety in patients referred to ophthalmology by primary care clinicians: a cross sectional studyen_US
dc.status.refereedYesen_US
dc.date.Accepted2013-05-02
dc.typeArticleen_US
dc.type.versionPublished versionen_US
dc.date.updated2019-10-03T10:26:22Z
refterms.dateFOA2019-10-24T10:17:15Z


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