Reliability of the Urinary Symptom Questionnaires for people with neurogenic bladder (USQNB) who void or use indwelling catheters.

MedStar author(s):
Citation: Spinal Cord. 59(9):939-947, 2021 09.PMID: 34345005Institution: MedStar National Rehabilitation NetworkForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Spinal Cord Injuries | *Urinary Bladder, Neurogenic | Bayes Theorem | Catheters, Indwelling | Humans | Reproducibility of Results | Spinal Cord Injuries/co [Complications] | Spinal Cord Injuries/di [Diagnosis] | Surveys and Questionnaires | United States | Urinary Bladder, Neurogenic/di [Diagnosis] | Urinary Bladder, Neurogenic/et [Etiology]Year: 2021ISSN:
  • 1362-4393
Name of journal: Spinal cordAbstract: CONCLUSIONS: The USQNB-IDC and USQNB-V instruments show sufficient, multidimensional reliability for implementation and further study. Copyright (c) 2021. The Author(s), under exclusive licence to International Spinal Cord Society.METHODS: Reliability estimates were based on endorsement of the items on the USQNB-IDC and USQNB-V. Reliability evidence was representativeness of these symptoms for a national sample (by determining if endorsement > 10%); internal consistency estimates (by Cronbach's alpha and item correlation coefficient, ICC); and interrelatedness of the items (by inferred Bayesian network, BN). We also tested whether a one-factor conceptualization of "urinary symptoms in NLUTD" was supportable for either instrument.OBJECTIVES: Neurogenic lower urinary tract dysfunction (NLUTD), also called Neurogenic Bladder (NB), is a common and disruptive condition in a variety of neurologic diagnoses. Our team developed patient-centered instruments, Urinary Symptom Questionnaires for people with neurogenic bladder (USQNB), specific to people with NLUTD who manage their bladders with intermittent catheterization (IC), indwelling catheters (IDC), or who void (V). This article reports evidence of reliability of the IDC and V instruments.RESULTS: All items were endorsed by >20% of our samples. Urine quality symptoms tended to be the most commonly endorsed on both instruments. Cronbach's alpha and ICC estimates were high (>0.74), but not suggestive of redundancy. BNs showed interpretable associations among the items, and did not discover uninterpretable or unexpected associations. Neither instrument fit a one-factor model, as expected.SETTING: Online surveys completed by individuals in the United States with NLUTD due to spinal cord injury (SCI), or multiple sclerosis (MS) who manage their bladder with IDC (SCI, n = 306), or by voiding (SCI, n = 103; MS, n = 383).STUDY DESIGN: This is a descriptive psychometrics study.All authors: Frost JK, Groah SL, Ljungberg IH, Rounds AK, Tractenberg RE, Yumoto FOriginally published: Spinal Cord. 59(9):939-947, 2021 Sep.Fiscal year: FY2022Fiscal year of original publication: FY2022Digital Object Identifier: ORCID: Date added to catalog: 2021-11-01
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Journal Article MedStar Authors Catalog Article 34345005 Available 34345005

CONCLUSIONS: The USQNB-IDC and USQNB-V instruments show sufficient, multidimensional reliability for implementation and further study. Copyright (c) 2021. The Author(s), under exclusive licence to International Spinal Cord Society.

METHODS: Reliability estimates were based on endorsement of the items on the USQNB-IDC and USQNB-V. Reliability evidence was representativeness of these symptoms for a national sample (by determining if endorsement > 10%); internal consistency estimates (by Cronbach's alpha and item correlation coefficient, ICC); and interrelatedness of the items (by inferred Bayesian network, BN). We also tested whether a one-factor conceptualization of "urinary symptoms in NLUTD" was supportable for either instrument.

OBJECTIVES: Neurogenic lower urinary tract dysfunction (NLUTD), also called Neurogenic Bladder (NB), is a common and disruptive condition in a variety of neurologic diagnoses. Our team developed patient-centered instruments, Urinary Symptom Questionnaires for people with neurogenic bladder (USQNB), specific to people with NLUTD who manage their bladders with intermittent catheterization (IC), indwelling catheters (IDC), or who void (V). This article reports evidence of reliability of the IDC and V instruments.

RESULTS: All items were endorsed by >20% of our samples. Urine quality symptoms tended to be the most commonly endorsed on both instruments. Cronbach's alpha and ICC estimates were high (>0.74), but not suggestive of redundancy. BNs showed interpretable associations among the items, and did not discover uninterpretable or unexpected associations. Neither instrument fit a one-factor model, as expected.

SETTING: Online surveys completed by individuals in the United States with NLUTD due to spinal cord injury (SCI), or multiple sclerosis (MS) who manage their bladder with IDC (SCI, n = 306), or by voiding (SCI, n = 103; MS, n = 383).

STUDY DESIGN: This is a descriptive psychometrics study.

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