Per country we aim for a response of 1800 patients for the experiences questionnaire and 220 for the values questionnaire (see section 'Questionnaire development' for explanation on the questionnaires).
At this point, we paid a lot of attention to developing simple, easy to understand, unambiguous items and asked experts from the field of questionnaire development to comment on them.
13 16 This article describes the cross-national questionnaire development based on surveys undertaken among hospital inpatients in Finland, Norway, Sweden and Faroe Islands.
While most reports of questionnaire development focus on content and validation, it needs to be remembered that the questionnaire or survey is only one part of the study design.
The main steps of the process were: choice of areas for analysis and questionnaire development, based on a review of scientific literature; assignment of scores and weights to individual questions and areas; implementation of a software interfaceable with Microsoft Office.
Proposed risk factors for foot/ankle MSDs were determined based on the literature and discussions with nurses and podiatrists during the questionnaire development phase, focusing on individual characteristics and workplace characteristics.
RMF participated in questionnaire development and commented on the initial draft.
MKK contributed with questionnaire development, more generally on methodology and manuscript revision.
Questionnaire development was based on a literature review of existing questionnaires, patient interviews, expert-group consultations, pretesting of questionnaire items and a national survey.
Their role in questionnaire development was clearly focused on identifying the content of a questionnaire and less so on further development of the questionnaire, for example, with cognitive testing.
