Logistic regression models for awareness of filter ventilation and belief that one’s own usual cigarette has filter ventilation
| Aware of vent holes in filters | Own cigarette has vent holes | |||
| aOR | 95% CI | aOR | 95% CI | |
| Your brand harmfulness | ||||
| A little less harmful | 1.23 | (0.93 to 1.62) | 2.41*** | (1.66 to 3.49) |
| No different | 1.00 | (1.00 to 1.00) | 1.00 | (1.00 to 1.00) |
| A little more harmful | 0.83 | (0.60 to 1.14) | 1.40 | (0.89 to 2.20) |
| Your brand harsher or smoother | ||||
| Harsher | 1.59** | (1.16 to 2.18) | 1.34 | (0.81 to 2.24) |
| About the same | 1.00 | (1.00 to 1.00) | 1.00 | (1.00 to 1.00) |
| Smoother | 1.40*** | (1.20 to 1.63) | 1.97*** | (1.50 to 2.59) |
| Age group | ||||
| 18–24 | 1.00 | (1.00 to 1.00) | 1.00 | (1.00 to 1.00) |
| 25–39 | 1.09 | (0.82 to 1.45) | 1.37 | (0.85 to 2.19) |
| 40–54 | 1.31* | (1.01 to 1.70) | 1.07 | (0.69 to 1.67) |
| 55 and up | 0.99 | (0.77 to 1.28) | 0.55** | (0.35 to 0.86) |
| Female | 0.61*** | (0.53 to 0.70) | 0.90 | (0.71 to 1.15) |
| Country | ||||
| Canada | 1.34** | (1.12 to 1.60) | 1.01 | (0.74 to 1.37) |
| USA | 0.85 | (0.69 to 1.04) | 0.82 | (0.57 to 1.18) |
| England | 1.00 | (1.00 to 1.00) | 1.00 | (1.00 to 1.00) |
| Australia | 1.98*** | (1.53 to 2.55) | 2.22*** | (1.53 to 3.24) |
| Ethnicity | ||||
| Non-white | 0.70** | (0.56 to 0.88) | 0.63* | (0.42 to 0.96) |
| Education level attained | ||||
| Low | 1.00 | (1.00 to 1.00) | 1.00 | (1.00 to 1.00) |
| Moderate | 1.25** | (1.07 to 1.47) | 1.30 | (0.98 to 1.71) |
| High | 0.95 | (0.78 to 1.15) | 0.96 | (0.68 to 1.35) |
| Financial stressed | 1.18 | (0.97 to 1.44) | 0.98 | (0.72 to 1.34) |
| Constant | 0.51*** | (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.