Survey period and sample size of current smokers for each International Tobacco Control (ITC) Europe Survey
| Survey Date | Sample size | |||
|---|---|---|---|---|
| Country | Period 1 N (wave) | Period 2 N (wave) | Period 3 N (wave) | |
| UK | September 2007— December 2010 | 1643 (6) | 1487 (7) | 977 (8) |
| France | December 2006— December 2012 | 1735 (1) | 1540 (2) | 1420 (3) |
| The Netherlands | March 2008—June 2010 | 2177 (1) | 1747 (3) | 1800 (4) |
| Germany | July 2007—October 2011 | 1515 (1) | 877 (2) | 496 (3) |