Shortening the xerostomia inventory

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Title:	Shortening the xerostomia inventory
Author(s):	Thomson, W.M.; Putten, G.J. van der; Baat, C. de ; Ikebe, K.; Matsuda, K.; Enoki, K.; Hopcraft, M.S.; Ling, G.Y.
Publication year:	2011
Source:	Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology, vol. 112, iss. 3, (2011), pp. 322-327
ISSN:	1079-2104
DOI:	https://doi.org/10.1016/j.tripleo.2011.03.024
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/97352
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Subject:	NCEBP 7: Effective primary care and public health
Organization:	Dentistry
Journal title:	Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
Volume:	vol. 112
Issue:	iss. 3
Page start:	p. 322
Page end:	p. 327
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.