Table 4

Logistic regression models for awareness of filter ventilation and belief that one’s own usual cigarette has filter ventilation

Aware of vent holes in filtersOwn cigarette has vent holes
aOR95% CIaOR95% CI
Your brand harmfulness
 A little less harmful1.23(0.93 to 1.62)2.41***(1.66 to 3.49)
 No different1.00(1.00 to 1.00)1.00(1.00 to 1.00)
 A little more harmful0.83(0.60 to 1.14)1.40(0.89 to 2.20)
Your brand harsher or smoother
 Harsher1.59**(1.16 to 2.18)1.34(0.81 to 2.24)
 About the same1.00(1.00 to 1.00)1.00(1.00 to 1.00)
 Smoother1.40***(1.20 to 1.63)1.97***(1.50 to 2.59)
Age group
 18–241.00(1.00 to 1.00)1.00(1.00 to 1.00)
 25–391.09(0.82 to 1.45)1.37(0.85 to 2.19)
 40–541.31*(1.01 to 1.70)1.07(0.69 to 1.67)
 55 and up0.99(0.77 to 1.28)0.55**(0.35 to 0.86)
Female0.61***(0.53 to 0.70)0.90(0.71 to 1.15)
Country
 Canada1.34**(1.12 to 1.60)1.01(0.74 to 1.37)
 USA0.85(0.69 to 1.04)0.82(0.57 to 1.18)
 England1.00(1.00 to 1.00)1.00(1.00 to 1.00)
 Australia1.98***(1.53 to 2.55)2.22***(1.53 to 3.24)
Ethnicity
 Non-white0.70**(0.56 to 0.88)0.63*(0.42 to 0.96)
Education level attained
 Low1.00(1.00 to 1.00)1.00(1.00 to 1.00)
 Moderate1.25**(1.07 to 1.47)1.30(0.98 to 1.71)
 High0.95(0.78 to 1.15)0.96(0.68 to 1.35)
Financial stressed1.18(0.97 to 1.44)0.98(0.72 to 1.34)
Constant0.51***(0.38 to 0.69)0.06***(0.03 to 0.11)
  • Exponentiated coefficients; 95% CIs in brackets; weighted data.

  • Missing data n=81.

  • Sample limited to daily smokers who are mainly or predominantly FMC smokers with a usual brand (n=5628).

  • *P<0.05, **p<0.01, ***p<0.001.

  • aOR, adjusted OR; FMC, factory-made cigarette.