Table 1.
Survey Data Collection, Campaign Air Dates, and Sample Sizes, 2012–2015.
| Survey wave/campaign | Observations | % of total sample | Description | Dates |
|---|---|---|---|---|
| Wave 1 survey | 4,028 | 17.5 | 2012 Tips baseline survey | February 21-March 18, 2012 |
| 2012 Tips campaign | — | — | Inaugural Tips campaign | March 19-June 10, 2012 |
| Wave 2 survey | 2,940 | 12.8 | 2012 Tips postcampaign survey | June 11-July 5, 2012 |
| 2013 Tips campaign | — | — | 2013 Tips campaign | March 4-June 17, 2013 |
| Wave 3 survey | 4,189 | 18.2 | 2013 Tips postcampaign survey | July 8-October 1, 2013 |
| 2014 Tips campaign (Phase 1) | — | — | Phase 1 of 2014 Tips campaign | February 3-April 6, 2014 |
| Wave 4 survey | 3,760 | 16.4 | 2014 Tips Phase 1 postcampaign survey | April 7-July 6, 2014 |
| 2014 Tips campaign (Phase 2) | - | - | Phase 2 of 2014 Tips campaign | July 7-September 7, 2014 |
| Wave 5 survey | 2,960 | 12.9 | 2014 Tips Phase 2 postcampaign survey | September 8-November 17, 2014 |
| 2015 Tips campaign | — | — | 2015 Tips campaign | March 30-August 16, 2015 |
| Wave 6 survey | 2,329 | 10.1 | 2015 Tips during campaign survey | April 1-June 10, 2015 |
| Wave 7 survey | 2,759 | 12.0 | 2015 Tips postcampaign survey | September 17-November 30, 2015 |
| Total observations | 22,965 | 100.0 | — | — |
Note. Tips = Tips From Former Smokers. Number of observations reflects total observations in the analytic sample, representing 8,209 unique individuals. Among unique individuals, 5,454 participated in two or more survey waves.