Benz, Thomas; Lehmann, Susanne; Gantenbein, Andreas R.; Sandor, Peter S.; Stewart, Walter F.; Elfering, Achim; Aeschlimann, André G.; Angst, Felix (2018). Translation, cross-cultural adaptation and reliability of the German version of the migraine disability assessment (MIDAS) questionnaire. Health and quality of life outcomes, 16(1), p. 42. BioMed Central 10.1186/s12955-018-0871-5
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BACKGROUND: The Migraine Disability Assessment (MIDAS) is a brief questionnaire and measures headache-related disability. This study aimed to translate and cross-culturally adapt the original English version of the MIDAS to German and to test its reliability.
METHODS: The standardized translation process followed international guidelines. The pre-final version was tested for clarity and comprehensibility by 34 headache sufferers. Test-retest reliability of the final version was quantified by 36 headache patients completing the MIDAS twice with an interval of 48 h. Reliability was determined by intraclass correlation coefficients and internal consistency by Cronbach's α.
RESULTS: All steps of the translation process were followed, documented and approved by the developer of the MIDAS. The expert committee discussed in detail the complex phrasing of the questions that refer to one to another, especially exclusion of headache-days from one item to the next. The German version contains more active verb sentences and prefers the perfect to the imperfect tense. The MIDAS scales intraclass correlation coefficients ranged from 0.884 to 0.994 and was 0.991 (95% CI: 0.982-0.995) for the MIDAS total score. Cronbach's α for the MIDAS as a whole was 0.69 at test and 0.67 at retest.
CONCLUSIONS: The translation process was challenged by the comprehensibility of the questionnaire. The German version of the MIDAS is a highly reliable instrument for assessing headache related disability with moderate internal consistency. Provided validity testing of the German MIDAS is successful, it can be recommended for use in clinical practice as well as in research.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
07 Faculty of Human Sciences > Institute of Psychology > Work and Organisational Psychology |
Graduate School: |
Graduate School for Health Sciences (GHS) |
UniBE Contributor: |
Elfering, Achim |
Subjects: |
100 Philosophy > 150 Psychology 300 Social sciences, sociology & anthropology |
ISSN: |
1477-7525 |
Publisher: |
BioMed Central |
Language: |
English |
Submitter: |
Marlene Wolf Tobler |
Date Deposited: |
09 May 2018 08:22 |
Last Modified: |
02 Mar 2023 23:30 |
Publisher DOI: |
10.1186/s12955-018-0871-5 |
PubMed ID: |
29523138 |
Uncontrolled Keywords: |
Cross-cultural adaptation; German; MIDAS; Reliability |
BORIS DOI: |
10.7892/boris.113313 |
URI: |
https://boris.unibe.ch/id/eprint/113313 |
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