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Journal article
Evaluation of the Intermittent Exotropia Questionnaire using Rasch analysis
JAMA ophthalmology, v 133(4), pp 461-465
01 Apr 2015
PMID: 25634146
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The Intermittent Exotropia Questionnaire (IXTQ) is a patient, proxy, and parental report of quality of life specific to children with intermittent exotropia. We refine the IXTQ using Rasch analysis to improve reliability and validity.
Rasch analysis was performed on responses of 575 patients with intermittent exotropia enrolled from May 15, 2008, through July 24, 2013, and their parents from each of the 4 IXTQ health-related quality-of-life questionnaires (child 5 through 7 years of age and child 8 through 17 years of age, proxy, and parent questionnaires). Questionnaire performance and structure were confirmed in a separate cohort of 379 patients with intermittent exotropia. One item was removed from the 12-item child and proxy questionnaires, and response options in the 8- to 17-year-old child IXTQ and proxy IXTQ were combined into 3 response options for both questionnaires. Targeting was relatively poor for the child and proxy questionnaires. For the parent questionnaire, 3 subscales (psychosocial, function, and surgery) were evident. One item was removed from the psychosocial subscale. Resulting subscales had appropriate targeting.
The Rasch-revised IXTQ may be a useful instrument for determining how intermittent exotropia affects health-related quality of life of children with intermittent exotropia and their parents, particularly for cohort studies.
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Details
- Title
- Evaluation of the Intermittent Exotropia Questionnaire using Rasch analysis
- Creators
- David A Leske - Mayo ClinicJonathan M Holmes - WinnMedB Michele Melia - Jaeb Center for Health ResearchPediatric Eye Disease Investigator GroupMitchell Scheiman - Pennsylvania College of Optometry (PCO)
- Publication Details
- JAMA ophthalmology, v 133(4), pp 461-465
- Publisher
- American Medical Association
- Grant note
- U10 EY011751 / NEI NIH HHS UG1 EY011751 / NEI NIH HHS EY024333 / NEI NIH HHS EY011751 / NEI NIH HHS EY018810 / NEI NIH HHS U10 EY018810 / NEI NIH HHS R01 EY024333 / NEI NIH HHS
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pennsylvania College of Optometry (PCO)
- Web of Science ID
- WOS:000354995100025
- Scopus ID
- 2-s2.0-84928248681
- Other Identifier
- 991021900196204721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Ophthalmology