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Incontinence quality of life questionnaire (I-QOL): translation and validation study of the Iranian version

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Abstract

Introduction and hypothesis

Because of the importance and prevalence of incontinence among women, there is increasing interest in the development and use of well-constructed questionnaires studying quality of life. Also, there is a paucity of information on QOL in non-Western women suffering from urinary incontinence. The aim of this study was to translate the original English version of the I-QOL and to assess the reliability and validity of this questionnaire in Iranian patients with urinary incontinence.

Methods

Four hundred women with urinary incontinence completed the Persian version of the questionnaire. By Cronbach’s alpha coefficient, the intraclass correlation coefficient, and confirmatory factor analysis, the reliability and validity of the questionnaire were assessed.

Results

The median age of the respondents was 48 years (range 27–90). The overall I-QOL summary score showed internal consistency of 0.96 (Cronbach’s alpha). The intraclass correlation coefficient was 0.96 for the total score. The range of correlation between the I-QOL total score and the subscales of the Sf-36 and the Psychological General Well-Being (PGWB) questionnaires were between 0.47 to 0.59 and 0.52 to 0.61 respectively.

Conclusion

The Persian version of the I-QOL can be used for measuring QOL in urinary incontinent women in Iran.

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Acknowledgements

We would like to thank Anne Skalicky for giving us permission to use the I-QOL in order to validate the Iranian version.

Conflicts of interest

None.

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Authors and Affiliations

  1. Department of Community Medicine, School of Medicine, Iran University of Medical Sciences, Crossroads of Hemmat and Chamran Expressways, 15875-6171, Tehran, Iran

    Marzieh Nojomi, Parastoo Baharvand & Maziar Moradi lakeh

  2. Department of Health Services, University of Washington, Seattle, WA, USA

    Donald L. Patrick

Authors
  1. Marzieh Nojomi
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  2. Parastoo Baharvand
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  3. Maziar Moradi lakeh
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  4. Donald L. Patrick
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Correspondence to Marzieh Nojomi.

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Nojomi, M., Baharvand, P., Moradi lakeh, M. et al. Incontinence quality of life questionnaire (I-QOL): translation and validation study of the Iranian version. Int Urogynecol J 20, 575–579 (2009). https://doi.org/10.1007/s00192-009-0808-y

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  • DOI: https://doi.org/10.1007/s00192-009-0808-y

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