The use of Visual Analog Scale in urogynecologic research: A psychometric evaluation - 25/08/11
Abstract |
Objective |
The purpose of this study was to assess the validity of Visual Analog Scales in urogynecologic research.
Study design |
In phase I, 35 women completed short forms of the urogenital distress inventory, incontinence impact questionnaire, and Beck depression inventory fast screen using the Likert-type scale and Visual Analog Scale formats. Reliability was estimated with Spearman's correlations and Cronbach's alpha; construct validity was assessed with the use of factor analyses. In phase II, 101 women were recruited for the test-retest reliability assessment of the Visual Analog Scale formats of the urogenital distress inventory and incontinence impact questionnaire short forms. Reproducibility was analyzed with intraclass correlations.
Results |
In phase I, correlations between the Likert-type scale and the Visual Analog Scale were good: urogenital distress inventory (0.748), incontinence impact questionnaire (0.787), and Beck depression inventory fast screen (0.852; P < .05). In phase II, intraclass correlations were 0.898 and 0.938 for the urogenital distress inventory and incontinence impact questionnaire scores, respectively (P < .001).
Conclusion |
The Visual Analog Scale is a simple, reliable, and reproducible method for the assessment of quality of life in urogynecologic research.
Le texte complet de cet article est disponible en PDF.Key words : Psychometric, Quality of life, Urogynecologic research, Visual Analog Scale
Plan
| Supported by the National Institutes of Health (1RO1HD041113-01A1). Presented at the Twenty-fourth Annual Meeting of the American Urogynecologic Society, Hollywood, Fla, September 11-13, 2003. Reprint requests: Reprints will not be available from the authors. |
Vol 191 - N° 1
P. 165-170 - juillet 2004 Retour au numéro
Article précédent
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