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. 2022 Jan 15;23:11. doi: 10.1186/s12875-021-01587-6

Table 1.

The overview of sampling procedures and response rates in the participating countries

Country* Sampling procedure Sample
(Number of participants/  Number of invitations)
Response rate (%)
Austria Random national sample 140/500 28,0
Belgium Random national sample 370/1477 25,1
Additional convenience sample 109/134 81,3
Bosnia and Herzegovina No information available yet No information available yet No information available yet
Bulgaria Convenience national sample 99/105 94,3
Croatia Convenience national sample 148/1270 11,7
Czech Republic Random samples from 4 regions (Prague, South Bohemia, East bohemia, Central Moravia) and from the list of Young practitioners 110/500 22,0
Cyprus Data collection is still ongoing Data collection is still ongoing Data collection is still ongoing
Denmark Total population 39/2580 1,5
Estonia Total population 116/833 13,9
Finland Convenience national sample 116/746 15,5
France No information available yet No information available yet No information available yet
Germany Convenience sample: Erlangen - Nürnberg, München, Marburg, Hannover, Berlin, Würzburg, and Jena 259/1669 15,5
Greece Random national sample 94/100 94,0
Hungary Convenience national sample 222/950 23,4
Iceland Convenience national sample 31/130 23,8
Ireland All GPs registered in the IGCP** 187/1538 12,2
Israel Convenience national sample 87/400 21,8
Italy Convenience national sample 205/800 25,6
Kosovo* Convenience sample: Prishtina, Peja, Gjakova, Gjilan, and Prizren 77/105 73,3
Latvia Total population 147/1600 9,2
Lithuania Convenience national sample 54/240 22,5
Luxembourg Data collection is still ongoing Data collection is still ongoing Data collection is still ongoing
Malta Total population 13/ at least 200 No information available yet
Moldavia Convenience sample from 2 municipalities (Chisinau, Balti) and 35 districts (Anenii Noi, Basarabeasca, Briceni, Calarasi, Cahul, Cantemir, Causeni, Cimislia, Criuleni, Comrat, Ciadir-Lunga, Donduseni, Drochia, Dubasari, Edinet, Falesti, Floresti, Glodeni, Hincesti, Ialoveni, Nisporeni, Ocnita, Orhei, Leova, Rezina, Riscani, Singerei, Soldanesti, Soroca, Stefan Voda, Straseni, Taraclia, Telenesti, Ungheni, and Vulcanesti) 71/293 24,2
The Netherlands Random national sample supplemented by a convenience sample 165/873 18,9
North Macedonia Data collection is still ongoing Data collection is still ongoing Data collection is still ongoing
Norway Total population 144/1372 10,5
Poland Convenience national sample 207/2000 10,4
Portugal Random national sample supplemented by a convenience sample 223/972 22,9
Romania Convenience national sample 100/400  25,0
Serbia Convenience national sample 117/130  90,0
Slovenia Convenience national sample 188/950 19,8
Spain Convenience sample No information available yet No information available yet
Sweden Convenience national sample 85/1180 7,2
Switzerland Convenience sample 86/269 32,0
Turkey Convenience sample 145/520 27,9
Ukraine Data collection is still ongoing Data collection is still ongoing Data collection is still ongoing
United Kingdom Data collection is still ongoing Data collection is still ongoing Data collection is still ongoing

*All references to Kosovo, whether the territory, institutions or population, in this project, shall be understood in full compliance with United Nations Security Council Resolution 1244 and the ICJ Opinion on the Kosovo declaration of independence, without prejudice to the status of Kosovo;**The Irish College of General Practitioners include approximately 90% of the GP population in Ireland