Bivariate | Adjusted/Multivariable | ||||||||
---|---|---|---|---|---|---|---|---|---|
Should be equally or more available (%) | OR | 95% LCI | 95% UCI | p Value | OR | 95% LCI | 95% UCI | p Value | |
Wave | |||||||||
2013 (referent) | 78.8 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
2014 | 75.9 | 0.85 | 0.74 | 0.98 | 0.024 | 1.07 | 0.50 | 2.27 | 0.86 |
Smoking status | |||||||||
Ex-smoker (referent) | 76.9 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Current smoker | 77.7 | 1.02 | 0.82 | 1.27 | 0.85 | 1.10 | 0.87 | 1.41 | 0.43 |
E-cigarette | <0.001 | <0.001 | |||||||
Never tried (referent) | 70.5 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Tried, not using | 75.9 | 1.28 | 1.04 | 1.58 | 0.021 | 1.08 | 0.86 | 1.35 | 0.52 |
Non-daily use | 83.9 | 2.08 | 1.65 | 2.61 | <0.001 | 1.41 | 1.08 | 1.84 | 0.011 |
Daily use | 91.8 | 4.61 | 3.22 | 6.58 | <0.001 | 2.56 | 1.78 | 3.96 | <0.001 |
Risks of smoking from nicotine | <0.001 | <0.001 | |||||||
Nearly all (referent) | 72.9 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Much more than half | 78.6 | 1.27 | 0.95 | 1.70 | 0.12 | 1.49 | 1.08 | 2.07 | 0.016 |
Around half | 78.8 | 1.37 | 1.02 | 1.84 | 0.034 | 1.48 | 1.07 | 2.04 | 0.017 |
Some but well under half | 82.2 | 1.67 | 1.25 | 2.24 | 0.001 | 1.47 | 1.06 | 2.02 | 0.019 |
None/very small | 85.9 | 2.10 | 1.46 | 3.03 | <0.001 | 1.50 | 1.01 | 2.24 | 0.046 |
Don’t know | 57.7 | 0.52 | 0.38 | 0.71 | <0.001 | 0.63 | 0.45 | 0.90 | 0.010 |
Relative harm of e-cigarettes | |||||||||
Not less harmful (referent) | 56.4 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Less harmful | 90.3 | 6.67 | 5.51 | 8.06 | <0.001 | 5.66 | 4.66 | 6.88 | <0.001 |
Gender | |||||||||
Male (referent) | 78.8 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
Female | 76.3 | 0.89 | 0.74 | 1.07 | 0.20 | 1.13 | 0.88 | 1.46 | 0.35 |
Age (years) | 0.092 | 0.122 | |||||||
18–24 (referent) | 79.9 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
25–39 | 74.3 | 0.69 | 0.47 | 1.03 | 0.066 | 0.68 | 0.40 | 1.17 | 0.16 |
40–54 | 78.1 | 0.87 | 0.59 | 1.28 | 0.47 | 1.01 | 0.60 | 1.72 | 0.96 |
55 and over | 78.6 | 0.89 | 0.61 | 1.31 | 0.55 | 1.13 | 0.67 | 1.92 | 0.65 |
Annual income | <0.001 | 0.25 | |||||||
Up to £15 000 (referent) | 76.0 | 1.00 | ref | ref | ref | 1.00 | ref | ref | ref |
£15 001–£30 000 | 78.3 | 1.13 | 0.88 | 1.43 | 0.34 | 0.98 | 0.70 | 1.37 | 0.91 |
Over £30 000 | 80.4 | 1.30 | 1.02 | 1.66 | 0.035 | 1.15 | 0.82 | 1.61 | 0.43 |
Don’t know/prefer not to say | 68.6 | 0.67 | 0.49 | 0.92 | 0.012 | 0.82 | 0.54 | 1.23 | 0.33 |
Models include 3279 observations from 1848 individuals.Bold font indicates significant associations (p<0.05).
LCI, Lower CI; UCI, Upper CI.