Cross-cultural adaptation and validation of the Dutch version of SWAL-QoL

Bogaardt, H.C.A., Speyer, Renée, Baijens, L.W.J., and Fokkens, W.J. (2009) Cross-cultural adaptation and validation of the Dutch version of SWAL-QoL. Dysphagia, 24 (1). pp. 66-70.

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Abstract

The aim of this work was to translate the 44-item SWAL-QoL into Dutch (SWAL-QoL-NL) and compare the validity of this questionnaire against Euroqol in a Dutch population with dysphagia. SWAL-QoL was translated according to international guidelines. SWAL-QoL-NL and Euroqol were completed by 152 patients in seven diagnosis groups. Internal consistency and correlations were calculated. Scores for nine subscales (General burden, Food selection, Eating duration, Fear of eating, Sleep, Fatigue, Mental health, Social functioning and a symptom score) ranged between 0.80 and 0.92 (Cronbach's alpha). Two subscales (Eating desire and Communication scored 0.67 and 0.60, respectively, and were removed from the questionnaire. The 14-item battery on clinical symptoms showed an internal consistency of 0.80, allowing the use of a sum score on group level in clinical research. Correlation of SWAL-QoL-NL subscales with the Euroqol was negligible to low (Pearson's correlations range = 0.09-0.36). The 39-item SWAL-QoL-NL proved to be a reliable tool to examine the impact of dysphagia on quality of life in a Dutch population. Internal consistency allows the use of nine subscales of SWAL-QoL-NL for comparisons on a group level (0.80 < alpha < 0.92) only. Also a Symptom score can be derived from the raw data.

Item ID: 30273
Item Type: Article (Research - C1)
ISSN: 1432-0460
Keywords: deglutition, deglutition disorders, dysphagia, quality of life, outcome measurements
Additional Information:

This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

Date Deposited: 20 Nov 2013 05:25
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111706 Epidemiology @ 50%
11 MEDICAL AND HEALTH SCIENCES > 1199 Other Medical and Health Sciences > 119999 Medical and Health Sciences not elsewhere classified @ 50%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920408 Health Status (e.g. Indicators of Well-Being) @ 100%
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