Erratum to: Psychometric evaluation of the Cystic Fibrosis Questionnaire-Revised in a national, US sample.

Alexandra Quittner, Gregory S. Sawicki, Ann McMullen, Lawrence Rasouliyan, David J. Pasta, Ashley Yegin, Michael W. Konstan

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The psychometric properties of a health-related quality of life (HRQOL) instrument, the Cystic Fibrosis Questionnaire-Revised (CFQ-R), were evaluated in a national, US sample of patients with cystic fibrosis (CF). This is the first psychometric evaluation of the revised version of this instrument. The Epidemiologic Study of CF is a national, US multicenter longitudinal cohort study containing CFQ-R and health outcomes data. Developmentally appropriate versions of the CFQ-R were available from 7,330 patients aged 6-70 years and a proxy version from 2,728 parents of school-age children. The CFQ-R was completed during a "stable" or "sick" visit before recording health outcomes such as weight, lung function, and pulmonary exacerbations. There were few floor and ceiling effects and strong internal consistency (Cronbach alpha ≥0.70) for most scales. The CFQ-R consistently discriminated between patients seen for sick-versus-well visits, and among stages of disease severity based on lung function. As predicted, women with CF reported worse HRQOL than men on scales not related to body image and weight. Strong parent-child agreement was found on scales measuring observable behaviors (respiratory symptoms). Convergence between CFQ-R scales and health outcomes provided evidence of construct validity. The CFQ-R demonstrated robust psychometric properties and consistent associations with health outcomes in a large national, US sample. Normative data are available to aid in interpretation.

Original languageEnglish (US)
Pages (from-to)1279-1290
Number of pages12
JournalQuality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation
Volume21
Issue number7
DOIs
StatePublished - 2012

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Psychometrics
Cystic Fibrosis
Health
Lung
Quality of Life
Surveys and Questionnaires
Weights and Measures
Body Image
Proxy
Longitudinal Studies
Epidemiologic Studies
Cohort Studies
Parents

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Erratum to : Psychometric evaluation of the Cystic Fibrosis Questionnaire-Revised in a national, US sample. / Quittner, Alexandra; Sawicki, Gregory S.; McMullen, Ann; Rasouliyan, Lawrence; Pasta, David J.; Yegin, Ashley; Konstan, Michael W.

In: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, Vol. 21, No. 7, 2012, p. 1279-1290.

Research output: Contribution to journalArticle

Quittner, Alexandra ; Sawicki, Gregory S. ; McMullen, Ann ; Rasouliyan, Lawrence ; Pasta, David J. ; Yegin, Ashley ; Konstan, Michael W. / Erratum to : Psychometric evaluation of the Cystic Fibrosis Questionnaire-Revised in a national, US sample. In: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation. 2012 ; Vol. 21, No. 7. pp. 1279-1290.
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