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Current Trends in Smokeless Tobacco Use Among Wisconsin Adults. Daphne Kuo, Karen Palmersheim, Mark Wegner, and Patrick Remington UW Carbone Cancer Center University of Wisconsin School of Medicine and Public Health Wisconsin Department of Health Services

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current trends in smokeless tobacco use among wisconsin adults

Current Trends in Smokeless Tobacco Use Among Wisconsin Adults

Daphne Kuo, Karen Palmersheim, Mark Wegner, and Patrick Remington

UW Carbone Cancer Center

University of Wisconsin School of Medicine and Public Health

Wisconsin Department of Health Services

5th National Summit on Smokeless & Spit Tobacco

Madison, Wisconsin

September 22, 2009

background
Background
  • Trends in smokeless tobacco (SLT) use have varied over time, depending on type of product
  • Most data have shown a slow, but steady decline of SLT use after the mid-1990’s and through early the 2000’s---particularly of chewing tobacco and dry snuff
  • However, tobacco consumption and sale data have shown an increase in the sale of snus (a moist type of snuff, doesn’t require spitting)
objectives
Objectives
  • To examine trends in the prevalence of SLT use among Wisconsin adults
  • To compare trends in SLT use in Wisconsin to that observed across the US
  • To investigate whether trends differ by type of smokeless product
  • To investigate whether trends differ by adult smoking status
data sample
Data – Sample
  • Wisconsin Data are somewhat limiting!
  • Tobacco Use Supplement, Current Population Survey (US Census Bureau)
  • 1995-96, 1998-99, 2001-02, 2003 and 2006-07
  • Wisconsin and US adults (18+)
variables and methods
Variables and Methods
  • Ever use and current use of chewing tobacco, snuff (may include snus), and the combination of both
  • Cigarette smoking status of the respondent
  • Analyzed trends in the prevalence of ever use and current use---in the general population and by the smoking status of the respondents
questions
Questions

Ever Use (question has changed over time)

  • Have you ever used pipes, cigars, chewing tobacco, or snuff on a regular basis? (if “Yes”---which ones?)
  • … even one time?
  • … ever used chewing tobacco,

such as … ?

… ever used snuff, such as … ?

questions continued
Questions, continued…

Current Use

  • Do you now use … ?
  • Do you now use … every day,

some days or not at all?

slide8

Ever Use of SLT among Adults in

Wisconsin and the US, TUS-CPS 1995-2007

20%

15%

Instrument change

10%

5%

0%

1995-96

1998-99

2001-02

2003

2006-07

US ever chewing

US ever snuff

US ever SLT

WI ever chewing

WI ever snuff

WI ever SLT

Instrument change

Instrument change

findings
Findings
  • The ever use of SLT, chewing tobacco and snuff appears to have increased among the adult population in Wisconsin and in the US since 1995.
  • Wisconsin adults were more likely to try chewing tobacco (and, thus, SLT) than the US adults.
  • Wisconsin adults were as likely to try snuff as US adults.
slide10

Instrument change

US ever chewing

US ever snuff

US ever SLT

WI ever chewing

WI ever snuff

WI ever SLT

Ever Use of SLT among Cigarette Smokers in

Wisconsin and the US, TUS-CPS 1995-2007

20%

15%

10%

5%

0%

1995-96

1998-99

2001-02

2003

2006-07

findings11
Findings
  • Current cigarette smokers were more likely to try SLT than other adults; and increases were greater among current cigarette smokers than among the general population.
  • WI smokers were more likely to try chewing tobacco than US smokers.
  • WI smokers were equally as likely to try snuff as US smokers.
slide12

US current chewing

US current snuff

US current SLT

WI current chewing

WI current snuff

WI current SLT

Current SLT Use among Adults in

Wisconsin and the US, TUS-CPS 1995-2007

5%

4%

3%

2%

1%

0%

1998-99

2001-02

2003

2006-07

1995-96

findings13
Findings
  • National trends in current SLT use in our study of the general population, till 2003, were consistent with findings from previous studies.
  • A slow but steady decline since 1998 was observed for chewing tobacco but not for snuff in the US.
findings14
Findings
  • Trends in current use of SLT and chewing tobacco among Wisconsin adults were different from the national average since 1998.
  • An increase in SLT (chewing tobacco) use was observed in WI in 1998-1999, but not across the US.
findings15
Findings
  • Percentages of current use of SLT and chewing tobacco in Wisconsin declined slower than those in the US.
  • From 1998 through 2007, the percentage of current chewing tobacco use (and SLT) was consistently higher in Wisconsin than in the US.
findings16
Findings
  • The percentage of current snuff use in Wisconsin was consistently slightly lower than that observed across the US from 1995 to 2007.
slide17

Current SLT Use among Cigarette Smokers in

Wisconsin and the US, TUS-CPS 1995-2007

5%

4%

3%

2%

1%

0%

1995-96

1998-99

2001-02

2003

2006-07

US current chewing

US current snuff

US current SLT

WI current chewing

WI current snuff

WI current SLT

findings18
Findings
  • The percentages of current use of SLT, chewing tobacco and snuff steadily increased over time among current cigarette smokers in Wisconsin.
  • In the US, similar increases were observed for snuff, but not for chewing tobacco.
conclusions
Conclusions
  • Ever use of (experimentation with) SLT increased between 1995 and 2007 --- but we are not sure how much of this change may be due to methodological issues (survey question)
  • Current overall use of SLT has not change a lot in the general population
    • In the more recent years, use of chewing tobacco has decreased, use of snuff has increased (perhaps due to the marketing of snus)
conclusions20
Conclusions
  • WI vs. the US average
    • Overall SLT use is slightly higher in Wisconsin than across the US
    • This is due to greater use of chewing tobacco in Wisconsin
    • Whereas, Wisconsinites are slightly less likely to use snuff/snus, than US adults
conclusions21
Conclusions
  • Cigarette smokers were more likely to ever use, and currently use SLT than the general population in WI and the US.
  • Thus, smokers may be using smokeless products to compensate for the inability to smoke in public places due to smoke-free restrictions