Average monthly change in sticks sales (millions) and 95% CI | ||||||
Period 1: preimplementation June 2015–March 2016 | Period 2: post full implementation June 2017–March 2018 | Difference between post and pre | ||||
Overall | −7.0 | (−12.4 to −1.6) | −13.3 | (−19.5 to −7.2) | −6.4 | (−12.7 to −0.1) |
FM | −11.5 | (−15.0 to −8.0) | −20.4 | (−24.5 to −16.3) | −9.0 | (−13.6 to −4.3) |
RYO | 4.5 | (1.3 to 7.6) | 7.1 | (3.6 to 10.5) | 2.6 | (−1.3 to 6.5) |
FM, factory made; RYO, roll your own.