Sample characteristics from the Cancer Institute's Tobacco Tracking Survey (CITTS) April 2006 to May 2013 (smokers only; n=15 375)
| N | Per cent | |
|---|---|---|
| Sex | ||
| Female | 8126 | 50 |
| Male | 7249 | 50 |
| Age (years) | ||
| 18–29 | 2265 | 21 |
| 30–55 | 8260 | 48 |
| 55+ | 4848 | 31 |
| Socioeconomic status | ||
| Low | 6443 | 41 |
| Moderate | 3951 | 27 |
| High | 4808 | 33 |
| Smoking frequency | ||
| Daily | 13659 | 88 |
| Weekly | 917 | 6 |
| Less than weekly | 799 | 6 |
| Smoking | ||
| Low | 5871 | 41 |
| Moderate | 5705 | 38 |
| High | 3384 | 22 |
| Quit attempts in past 12 months | ||
| None | 9189 | 60 |
| At least one | 5975 | 40 |
| Year | ||
| 2006 | 1600 | 10 |
| 2007 | 2289 | 15 |
| 2008 | 2094 | 13 |
| 2009 | 2135 | 14 |
| 2010 | 2146 | 14 |
| 2011 | 2157 | 14 |
| 2012 | 2126 | 13 |
| 2013 | 828 | 5 |
Ns are unweighted, per cents are weighted for age, sex and regional residence.