DLQI / CDLQI Translation Information TWI Name of Questionnaire: DLQI / CDLQI Translation language: Twi Original language: English (UK) Organiser of translation: Sandor Klis MD/PhD student Department of Internal Medicine – Infectious Diseases University Medical Center Groningen, The Netherlands e-mail: s.klis@umcg.nl Number of forward-translators: 2 Number of independent back- 2 translators: Translation steps: Forward translation by two independent translators, who then sat together and agreed on a common first forward translation. This first forward translation was then translated back to English by two additional translators. After reviewing of the back translations by the DLQI authors, the wording and grammar of the first forward translation was changed by two independent translators, who then sat together and agreed on a common second forward translation. This second forward translation was again back translated independently by two translators, and then reviewed by the DLQI authors. Minor changes to the second forward translation were suggested by the DLQI authors, and performed by one translators, yielding the final translated DLQI/CDLQI Final back-translation confirmed by: Dr M. K A. Basra Final back-translation attached: Yes Cognitive debriefing Cognitive debriefing was performed on July 18th and 19th 2012. In total 5 adults (DLQI) aged between 25 and 53, and 5 children aged between 10 and 15 (CDLQI) with active Buruli Ulcer were included. The questionnaire was administered to all participants by an interviewer. The average time of it took to administer the questionnaire was 7 minutes. All questions were understood by the participants, except for one participant who was from another region and was not fluent in the local language. In addition, all participants were asked whether they would prefer the questions to be asked in English, and whether they would be able to complete the questionnaire themselves, without an interviewer. All participants answered no to both questions. Total scores ranged from 0 to 27, with an average of 12.5. Date translation confirmed: 12th August 2012 Date this page completed: 21st September 2012