Table 1 Summary of sampling and data collection methods in each country [adapted from reference [12]
From: Poor medical care for people with migraine in Europe – evidence from the Eurolight study
Country | Denominator (n) | Responders (n) | Responder proportion (%) | Gender (% female) | Target population and mode of distribution of questionnaire |
|---|---|---|---|---|---|
Studies with a general-population basis | |||||
Germany | 3000 | 338 | 11.3 | 57 | Random general-population sample from urban and rural areas, contacted by regular post |
Italy | 3500 | 500 | 14.3 | 58 | Stratified general-population sample from urban and rural areas, contacted by regular post |
Lithuania | 1137 | 616 | 54.2 | 59 | 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 | 6498 | 2023 | 31.1 | 58 | Stratified general-population sample contacted by regular post |
Netherlands-population | unknown | 2414 | incalculable | 50 | Stratified general-population sample contacted by internet |
Spain-workplace | 1700 | 999 | 58.8 | 59 | Stratified sample of postal services employees, contacted by internal post by occupational health physicians |
Studies conducted in general practice settings | |||||
Austria | unknown, but not > 6000 | 646 | incalculable | 70 | Consecutive patients consulting GPs or neurologists for any reason; questionnaire handed directly |
France | 2400 | 876 | 36.5 | 68 | Consecutive patients consulting GPs for any reason; questionnaire handed directly |
UK | 720 | 128 | 17.8* | 65 | Consecutive patients attending GPs for any reason; questionnaire handed directly |
Studies among members of lay headache organizations | |||||
Ireland | members 1500 relatives unknown | 195 73 | 13.0 incalculable | 66 | Members of Migraine Association of Ireland and their non-biological relatives, contacted by regular post |
Netherlands-lay | members 500 partners unknown | 337 115 | 67.4 incalculable | 57 | Random sample of members of Nederlandse Vereniging van Hoofdpijnpatiënten and (where existing) their non-headache-affected partners, contacted by regular post |
Spain-lay | 300 | 272 | 90.7 | 62 | Members of Asociacion Española de Pacientes con Cefalea (AEPAC) and their family; questionnaires distributed by hand via helpers of AEPAC |