N=7541 | A, aware/ believe usual cig vented | B, aware/ believe usual cig not vented | C, not aware of filter ventilation | 58.3 Significance A vs (B+C) |
% of daily FMC smokers | 9.4 | 32.3 | 58.3 | |
By country | ||||
Canada (n=2146) | 8.5 | 35.3 | 56.1 | χ2 (3)=56.49, |
USA (n=1604) | 8.0 | 26.0 | 65.9 | p<0.001 |
England (n=2750) | 8.5 | 32.3 | 59.2 | |
Australia (n=1041) | 15.7 | 36.4 | 47.9 | |
By gender | ||||
Female (n=3898) | 9.0 | 27.3 | 63.7 | χ2 (1)=1.31, |
Male (n=3643) | 9.8 | 36.7 | 53.6 | n.s. |
By age group | ||||
18–24 (n=1326) | 8.5 | 28.0 | 63.5 | χ2 (3)=76.15 |
25–39 (n=1587) | 12.8 | 28.2 | 59.0 | p<0.001 |
40–54 (n=2053) | 10.0 | 36.7 | 53.3 | |
55+ (n=2575) | 5.4 | 33.5 | 61.1 | |
By cigarettes per day | ||||
0–10 (3173) | 8.6 | 27.8 | 63.6 | χ2 (2)=4.74 |
11–20 (3203) | 10.1 | 36.0 | 53.9 | n.s. |
>20 (978) cases | 9.8 | 36.2 | 54.1 | |
NB: 187 missing |
Figures are row percentages.
FMC, factory-made cigarette.