Bivariate | Adjusted/multivariable | ||||||||
---|---|---|---|---|---|---|---|---|---|
Advertising should be allowed (%) | OR | 95% LCI | 95% UCI | p Value | OR | 95% LCI | 95% UCI | p Value | |
Wave | |||||||||
2013 (referent) | 66.0 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
2014 | 55.9 | 0.64 | 0.57 | 0.73 | <0.001 | 0.80 | 0.44 | 1.46 | 0.47 |
Smoking status | |||||||||
Ex-smoker (referent) | 56.1 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Current smoker | 62.9 | 1.31 | 1.09 | 1.58 | 0.004 | 1.32 | 1.08 | 1.62 | 0.008 |
E-cigarette | <0.001 | <0.001 | |||||||
Never tried (referent) | 52.7 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Tried, not using | 60.0 | 1.35 | 1.12 | 1.62 | 0.002 | 1.23 | 1.01 | 1.50 | 0.043 |
Non-daily use | 69.9 | 1.90 | 1.57 | 2.31 | <0.001 | 1.44 | 1.17 | 1.79 | 0.001 |
Daily use | 78.5 | 3.14 | 2.42 | 4.07 | <0.001 | 2.20 | 1.65 | 2.93 | <0.001 |
Risks of smoking from nicotine | <0.001 | <0.001 | |||||||
Nearly all (referent) | 57.1 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Much more than half | 62.6 | 1.22 | 0.95 | 1.57 | 0.12 | 1.35 | 1.03 | 1.77 | 0.031 |
Around half | 60.4 | 1.11 | 0.86 | 1.43 | 0.41 | 1.18 | 0.90 | 1.54 | 0.24 |
Some but well under half | 66.4 | 1.43 | 1.12 | 1.83 | 0.005 | 1.32 | 1.01 | 1.72 | 0.042 |
None/very small | 73.6 | 1.88 | 1.39 | 2.56 | <0.001 | 1.49 | 1.07 | 2.06 | 0.017 |
Don’t know | 42.6 | 0.59 | 0.44 | 0.80 | 0.001 | 0.70 | 0.51 | 0.96 | 0.027 |
Relative harm of e-cigarettes | |||||||||
Not less harmful (referent) | 39.6 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Less harmful | 74.9 | 4.14 | 3.53 | 4.86 | <0.001 | 3.55 | 3.00 | 4.20 | <0.001 |
Gender | |||||||||
Male (referent) | 62.3 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Female | 60.5 | 0.92 | 0.79 | 1.08 | 0.32 | 0.96 | 0.78 | 1.19 | 0.74 |
Age (years) | 0.012 | 0.008 | |||||||
18–24 (referent) | 63.9 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
25–39 | 56.5 | 0.73 | 0.52 | 1.01 | 0.055 | 0.67 | 0.44 | 1.02 | 0.064 |
40–54 | 61.6 | 0.91 | 0.66 | 1.25 | 0.56 | 1.04 | 0.69 | 1.59 | 0.84 |
55 and over | 64.4 | 1.01 | 0.73 | 1.39 | 0.96 | 1.17 | 0.77 | 1.77 | 0.46 |
Annual income | 0.008 | 0.48 | |||||||
Up to £15 000 (referent) | 60.9 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
£15 001–£30 000 | 63.8 | 1.14 | 0.92 | 1.41 | 0.24 | 1.17 | 0.89 | 1.56 | 0.27 |
Over £30 000 | 62.6 | 1.08 | 0.88 | 1.33 | 0.46 | 1.14 | 0.86 | 1.51 | 0.36 |
Don’t know/prefer not to say | 53.2 | 0.72 | 0.55 | 0.95 | 0.022 | 0.90 | 0.62 | 1.30 | 0.57 |
Models include 3279 observations from 1848 individuals.Bold font indicates significant associations (p<0.05).
LCI, Lower CI; UCI, Upper CI.