Table 2:

Association between type of cigarette smoked at baseline and cessation outcomes at 6 months and 1 year

Cessation outcomes at 6 mo and 1 yr; type of cigaretteRespondents, %*RR (95% CI)
UnadjustedAdjusted
Attempt to quit
At 6 mo
 Premium/discount30.11.00 (ref)1.00 (ref)
 Contraband18.90.63 (0.45–0.85)0.74 (0.43–1.20)
At 1 yr
 Premium/discount43.31.00 (ref)1.00 (ref)
 Contraband27.10.63 (0.49–0.79)0.93 (0.63–1.26)
30-day cessation
At 6 mo
 Premium/discount10.71.00 (ref)1.00 (ref)
 Contraband4.30.40 (0.18–0.86)0.23 (0.09–0.61)
At 1 yr
 Premium/discount17.91.00 (ref)1.00 (ref)
 Contraband8.00.45 (0.27–0.72)0.30 (0.14–0.61)
Long-term cessation
 Premium/discount4.01.00 (ref)1.00 (ref)
 Contraband1.60.39 (0.15–1.00)0.24 (0.04–1.34)
  • Note: CI = confidence interval, ref = reference category, RR = relative risk.

  • * Sample sizes for unadjusted analyses were 2786 overall, 2421 for premium/discount brands, and 365 for contraband cigarettes; sample sizes for adjusted analyses were 2310, 2029 and 281, respectively.

  • Population-weighted estimates.

  • Adjusted for all covariates listed in Table 1.