Table 1

Cigarette smoking within the 30 days preceding the survey, by number of days of smokeless tobacco use within the preceding 30 days

Number of days used smokeless tobacco in the preceding 30 daysUnweighted sample sizeNumber of days smoked cigarettes of preceding 30 days
All 30 days1–29 days0 days
Middle school*
All 30 days4253.
1–29 days1409.
0 days63270.
High school
All 30 days10532.
1–29 days34826.32.932.72.741.03.5
0 days58045.40.611.60.783.01.0
  • Male middle school students (grades 6–8) and high school students (grades 9–12). National Youth Tobacco Survey, 2004.

  • * χ2 test of independence between smokeless tobacco use and smoking=39.65 (df=4), p<0.00001.

  • χ2=55.51 (df=4); p<0.00001.