Table 1 Summarized methodological description of the surveys in ten countries
From: The Eurolight project: the impact of primary headache disorders in Europe. Description of methods
Survey | Target population and mode of distribution of questionnaire |
|---|---|
Studies with a general-population basis or conducted in health-care settings | |
Austria | Consecutive patients consulting GPs or neurologists for any reason; questionnaire handed directly |
France | Consecutive patients consulting GPs for any reason; questionnaire handed directly |
Germany | Random general-population sample from urban and rural areas, contacted by regular post |
Italy | Stratified general-population sample from urban and rural areas, contacted by regular post |
Lithuania | General-population sample in and around Kaunas (urban and rural), contacted by door-to-door cold-calling and personally interviewed by trained medical students |
Luxembourg | Stratified general-population sample contacted by regular post |
Netherlands-population | Stratified general-population sample contacted by internet |
Spain-workplace | Stratified sample of postal services employees, contacted by internal post by occupational health physicians |
UK | Consecutive patients attending GPs for any reason; questionnaire handed directly |
Studies among members of headache patients’ organization | |
Ireland | Members of MAI and their non-biological relatives, contacted by regular post |
Netherlands-patient | Random sample of members of NVvHP and (where existing) their non-headache-affected partners, contacted by regular post |
Spain-patient | Members of AEPAC and their family; questionnaire distributed by hand via helpers of AEPAC |
Studies among non-responders | |
Germany-nr | Telephone interview |
Italy-nr | Internet invitation |
Luxembourg-nr | Telephone interview |
Netherlands-nr | Telephone interview |