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Abstract

Background
The purpose of this study was to evaluate the psychometric properties of the Swallowing Outcomes After Laryngectomy (SOAL) in a large group of people who underwent a laryngectomy.

Methods
We conducted a cross-sectional psychometric study of laryngectomy patients (minimum 3 months posttreatment) attending routine hospital follow-up for the psychometric evaluation of SOAL.

Results
One hundred ten people participated in this study. Thirteen percent of the patients had a laryngectomy, 63% had laryngectomy with radiotherapy, and 24% had laryngectomy with chemoradiation therapy. The SOAL showed good quality of data (minimal missing data and floor effects); good internal consistency (α = 0.91); and adequate test–retest reliability (intra-class correlation coefficient = 0.73). In terms of validity, it differentiated people by treatment group (F(2,85) = 8.02; p = .001) and diet texture group (t(102) = −7.33; p < .001).

Conclusion
The SOAL demonstrates good validity and has potential for use in research. Further study is required to determine its clinical application. © 2015 Wiley Periodicals, Inc. Head Neck 38: E1639–E1645, 2016

Publication Type:	Article
Additional Information:	This is the peer reviewed version of the following article: Govender, R., Lee, M. T., Drinnan, M., Twinn, C., Davies, T. & Hilari, K. (2016). Psychometric Evaluation of the Swallowing Outcomes after Laryngectomy (SOAL) Patient-reported Questionnaire. Head and Neck, 38(S1), E1639-E1645., which is published in final form at http://dx.doi.org/10.1002/hed.24291. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Publisher Keywords:	swallowing;laryngectomy;psychometric evaluation;patient-reported outcome measure;head and neck cancer
Subjects:	P Language and Literature > P Philology. Linguistics R Medicine > RC Internal medicine
Departments:	School of Health & Psychological Sciences > Language & Communication Science
SWORD Depositor:	Symplectic Administrator

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