| Year | ||||||
| 2001* | 2002 | 2003 | 2004 | 2005 | 2006 | |
| Smoker population reach, by year† (%) | 0.8% | 1.9% | 2.9% | 3.4% | 6.6% | 4.2% |
| Tobacco users assisted by HelpLine (n) | 529 | 4019 | 6077 | 7114 | 13673 | 8739 |
| How heard about (% for each year): | ||||||
| Healthcare professional | 10% | 21% | 28% | 30% | 27% | 38% |
| Media (TV, radio, print ads) | 69% | 53% | 35% | 26% | 24% | 21% |
| Family or friend | 6% | 12% | 25% | 27% | 26% | 22% |
| Past caller | 3% | 1% | 4% | 9% | 9% | 2% |
| Other | 12% | 14% | 8% | 8% | 14% | 17% |
*Reach for 2001 is annualised based on operation from September 2001–December 2001.
†Population reach is the percentage of adult smokers in the state provided Helpline services each year.
Treatment Initiative chronology: Helpline began August 2001; NRT available September 2002; clinical outreach began November 2002. Quitline hours of operation expanded February 2005. Cigarette tax doubled ($1.00 to $2.00) September 2005.