Trend pre-PoS display ban | Step level change | Change in trend | |||||||
---|---|---|---|---|---|---|---|---|---|
Percentage change | 95% CI | p Value | Percentage change | 95% CI | p Value | Percentage change | 95% CI | p Value | |
Log binomial models | |||||||||
Model 0: unadjusted | 0.15 | −1.04 to 1.63 | 0.846 | −2.30 | −6.19 to 1.76 | 0.263 | −0.53 | −0.73 to −0.33 | <0.001 |
Model 1: +sociodemographics* | −0.93 | −2.31 to 0.47 | 0.190 | −2.25 | −5.96 to 1.61 | 0.249 | −0.21 | −0.40 to −0.02 | 0.029 |
Model 2: +e-cigarettes | −1.68 | −3.19 to −0.14 | 0.032 | −4.54 | −8.66 to −0.22 | 0.039 | −0.41 | −0.67 to −0.15 | 0.002 |
Model 3: +seasonality | −2.07 | −3.59 to −0.52 | 0.009 | −3.69 | −7.94 to 0.75 | 0.102 | −0.46 | −0.72 to −0.20 | 0.001 |
Poisson models | |||||||||
Model 0: unadjusted | 0.14 | −2.04 to 2.37 | 0.902 | −1.94 | −7.77 to 4.26 | 0.531 | −0.53 | −0.82 to −0.24 | <0.001 |
Model 1: adjusted for seasonality | −0.21 | −2.34 to 1.96 | 0.849 | −0.49 | −6.35 to 5.73 | 0.874 | −0.56 | −0.84 to −0.27 | <0.001 |
Model 2: +autocorrelation | −0.23 | −2.21 to 1.80 | 0.826 | −0.46 | −5.95 to 5.34 | 0.873 | −0.56 | −0.82 to −0.29 | <0.001 |
Significant associations are indicated in bold (p<0.05).
*Age, gender and social grade.
PoS, point of sale.