| The psychometric validation of the OAB family impact measure (OAB-FIM). | |
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MedLine Citation:
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PMID: 19274760 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIMS: Although overactive bladder (OAB) impacts patient health-related quality of life, the impact of OAB on family members is not known. Presently, no validated instruments exist to assess family impact, thus we examined the psychometric properties of a new instrument, the overactive bladder family impact measure (OAB-FIM). METHODS: Dyads of OAB patient-family members and control patient-family members were recruited from clinics. Family members (spouses, significant others, or daughters) completed the 32-item draft OAB-FIM. Patients completed the overactive bladder questionnaire (OAB-q) and the patient perception of bladder condition (PPBC). Both patients and family members completed two validated relationship measures. Item and exploratory factor analyses were performed to determine subscale structure; reliability and validity were assessed. RESULTS: One hundred ninety-three patient-family member dyads (163 OAB, 30 control) participated. OAB patients were mostly women (82%); the control group was younger with fewer women (53%). Family members were predominantly men (OAB, 58%; control, 52%), and control family members were younger than OAB family members. Thirteen items were deleted from the draft OAB-FIM based on item performance and factor structure based on exploratory factor analyses, leaving 19-items in the final OAB-FIM. Four subscales (Irritation, Activities, Travel, Concern) were derived for use among all family members; two additional subscales (Sleep, Sex) were derived for use with spouses/significant others. The OAB-FIM discriminated between OAB and control family members with OAB family members demonstrating significant impact (all P < 0.0001). Internal consistency reliability (Cronbach's alpha >0.70) and 2-week test-retest reliability (intraclass correlation coefficients >0.73) were high for all subscales. Concurrent validity of the OAB-FIM was demonstrated through statistically significant (P < 0.001) Spearman correlations with the OAB-q (0.35-0.58) and the PPBC (0.31-0.56). The OAB-FIM also demonstrated known-groups validity, distinguishing between family members of OAB patients and family members of control patients. CONCLUSIONS: This study supports the reliability and validity of a new measure to assess the impact of OAB on family members and demonstrates that family members are affected by another's medical condition. |
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Authors:
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Karin S Coyne; Louis S Matza; Jessica Brewster-Jordan; Christine Thompson; Tamara Bavendam |
Publication Detail:
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Type: Journal Article; Validation Studies |
Journal Detail:
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Title: Neurourology and urodynamics Volume: 29 ISSN: 1520-6777 ISO Abbreviation: Neurourol. Urodyn. Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-03-29 Completed Date: 2010-06-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8303326 Medline TA: Neurourol Urodyn Country: United States |
Other Details:
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Languages: eng Pagination: 359-69 Citation Subset: IM |
Copyright Information:
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(c) 2009 Wiley-Liss, Inc. |
Affiliation:
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United BioSource Corporation, Bethesda, Maryland 20814, USA. karin.coyne@unitedbiosource.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Family* Female Humans Male Middle Aged Psychometrics Quality of Life* Questionnaires* Urinary Bladder, Overactive* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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