Versus pre-PP | Versus early post-PP | |||||
---|---|---|---|---|---|---|
Outcome (rate of…) | Rate | Percentage of… | Adjusted IRR | p Value* | Adjusted IRR | p Value* |
Packs to patrons | …patrons who displayed pack | |||||
Pre-PP | 1:8.7 | 11.5 | Ref | 1.21 | <0.001 | |
Early post-PP | 1:10.4 | 9.7 | 0.83 | <0.001 | Ref | |
1 year post-PP | 1:10.3 | 9.7 | 0.84 | 0.001 | 1.02 | 1.000 |
Active smokers to patrons | …patrons who were smoking | |||||
Pre-PP | 1:11.9 | 8.4 | Ref | 1.28 | <0.001 | |
Early post-PP | 1:15.7 | 6.4 | 0.78 | <0.001 | Ref | |
1 year post-PP | 1:14.7 | 6.8 | 0.85 | 0.013 | 1.08 | 0.607 |
Face-up packs to all packs† | …packs† that were face-up | |||||
Pre-PP | 1:1.2 | 85.2 | Ref | 1.15 | 0.037 | |
Early post-PP | 1:1.4 | 74.0 | 0.87 | 0.037 | Ref | |
1 year post-PP | 1:1.2 | 85.7 | 0.99 | 1.000 | 1.14 | 0.087 |
Concealed packs to all packs† | …packs† that were concealed | |||||
Pre-PP | 1:25.3 | 4.0 | Ref | 0.40 | <0.001 | |
Early post-PP | 1:11.3 | 8.9 | 2.48 | <0.001 | Ref | |
1 year post-PP | 1:22.5 | 4.4 | 1.22 | 1.000 | 0.49 | 0.005 |
External cases to all packs | …packs that were in cases | |||||
Pre-PP | 1:83.1 | 1.2 | Ref | 0.29 | 0.001 | |
Early post-PP | 1:28.3 | 3.5 | 3.44 | 0.001 | Ref | |
1 year post-PP | 1:52.2 | 1.9 | 1.36 | 1.000 | 0.40 | 0.012 |
*Bonferonni-adjusted p-values are reported..
†At pre-plain packaging, ‘all packs’ for the rates of face-up orientation and pack concealment includes branded packs in known orientations (face-up, face-down, standing or concealed); at post-plain packaging, ‘all packs’ includes plain packs in known orientations (face-up, face-down, standing or concealed). PP, plain packaging.