Fieldwork period | Sample size | Cooperation rate (%)* | |
---|---|---|---|
Netherlands† | |||
Telephone sample | March 2008–April 2008 | 404 | 78.1 |
Web sample | April 2008 | 1668 | 78.1 |
France‡ | December 2006–February 2007 | 1735 | 75.3 |
Germany§ | July 2007–November 2007 | 1515 | 94.9 |
Republic of Ireland¶ | February 2006–March 2006 | 577 | 71.9 |
Scotland** | February 2006–March 2006 | 507 | 66.7 |
UK (w/o Scotland)†† | September 2007–February 2008 | 1467 | 74.6 |
Total | 7873 |
*Cooperation rates were calculated according to the AAPOR definition COOP4: The proportion of all cases interviewed of all eligible respondents who were contacted and capable of doing the interview.20 The rate for the Republic of Ireland is equal to the retention rate, because respondents lost to follow-up in the preceding wave were not replenished in the survey wave that was used for this study.
†Provinces in The Netherlands: Drenthe (n=63), Flevoland (n=32), Friesland (n=107), Gelderland (n=237), Groningen (n=90), Limburg (n=148), Noord-Brabant (n=327), Noord-Holland (n=324), Overijssel (n=142), Utrecht (n=123), Zeeland (n=35), Zuid-Holland (n=444).
‡Regions in France: Alsace (n=53), Aquitaine (n=103), Auvergne (n=40), Bourgogne (n=53), Bretagne (n=102), Centre (n=65), Champagne-Ardennes (n=44), Franche-Comté (n=37), Ile-de-France (n=308), Languedoc-Roussillon (n=61), Limousin (n=15), Pays de la Loire (n=85), Lorraine (n=87), Midi-Pyrénées (n=73), Nord-Pas-de-Calais (n=117), Haute-Normandie (n=69), Basse-Normandie (n=43), Picardie (n=60), Poitou-Charentes (n=42), Provence-Alpes-Côte-d'Azur (n=134), Rhône-Alpes (n=144).
§States in Germany: Baden-Württemberg (n=93), Bavaria (n=245), Berlin (n=78), Brandenburg (n=59), Bremen (n=14), Hamburg (n=42), Hessen (n=116), Mecklenburg-Vorpommern (n=18), Lower Saxony (n=104), North Rhine-Westphalia (n=370), Rhineland-Palatinate (n=85), Saarland (n=19), Saxony (n=85), Saxony-Anhalt (n=66), Schleswig-Holstein (n=68), Thuringia (n=53).
¶Geographic regions in Ireland: Dublin City and County (n=169), Rest of Leinster (n=142), Munster (n=160), Connaught and Part of Ulster (n=106).
**Geographic regions in Scotland: Argyll and Clyde (n=48), Ayrshire and Arran (n=33), Borders (n=5), Dumfries and Galloway (n=9), Fife (n=37), Forth Valley (n=23), Grampian (n=62), Greater Glasgow (n=84), Highland (n=23), Lanarkshire (n=41), Lothian (n=93), Orkney Shetland and Western Isles (n=6), Tayside (n=43).
††Regions in UK (w/o Scotland): East Midlands (n=119), Eastern (n=134), London (n=216), North East (n=75), North West (n=160), Northern Ireland (n=53), South East (n=216), South West (n=137), Wales (n=98), West Midlands (n=142), Yorkshire and the Humber (n=117).