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Multicenter Study
. 2011 Sep;112(3):322-7.
doi: 10.1016/j.tripleo.2011.03.024. Epub 2011 Jul 16.

Shortening the xerostomia inventory

William Murray Thomson  1 , Gert-Jan van der Putten, Cees de Baat, Kazunori Ikebe, Ken-ichi Matsuda, Kaori Enoki, Matthew S Hopcraft, Guo Y Ling
Affiliations
Multicenter Study

Shortening the xerostomia inventory

William Murray Thomson et al. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2011 Sep.

Abstract

Objectives: The aim of this study was to determine the validity and properties of the Summated Xerostomia Inventory-Dutch Version in samples from Australia, The Netherlands, Japan, and New Zealand.

Study design: Six cross-sectional samples of older people from The Netherlands (n = 50), Australia (n = 637; n = 245), Japan (n = 401), and New Zealand (n = 167; n = 86) were enrolled. Data were analyzed by using the Summated Xerostomia Inventory-Dutch Version.

Results: All datasets revealed a single extracted factor which explained about one-half of the variance, with Cronbach alpha values ≥0.70. When mean scale scores were plotted against a "gold-standard" xerostomia question, statistically significant gradients were observed, with the highest score seen in those who always had dry mouth, and the lowest in those who never had it.

Conclusions: The Summated Xerostomia Inventory-Dutch Version is valid for measuring xerostomia symptoms in clinical and epidemiologic research.

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Figures

Figure 1
Figure 1
Mean XI-Dutch scores by xerostomia standard question response categories.
See this image and copyright information in PMC

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