Table 1

Difference in average inflation-adjusted price (in pence) during and after the implementation of the plain packaging legislation measured through the proportion (%) of sales volume in plain packaging* for RYO and cigarettes, May 2015–May 2018†

RYO
(price per gram in pence)
Cigarettes
(price per cigarette in pence)
All productsOnly legal pack sizeAll productsOnly legal pack size
Observations5972171318 0628246
Average inflation-adjusted price before May 2016 (SD)33.6 (7.8)34.5 (5.7)38.9 (10.8)38.6 (8.8)
Regression results
<50% plain pack sales
(p value)
(95% CI)
−0.29
(0.407)
(−0.97 to 0.39)
1.02
(<0.001)
(0.48 to 1.56)
1.03
(0.001)
(0.39 to 1.167)
1.09
(<0.001)
(0.81 to 1.37)
50%–75% plain pack sales
(p value)
(95% CI)
−0.32
(0.471)
(−1.20 to 0.56)
2.07
(<0.001)
(1.52 to 2.62)
1.32
(0.003)
(0.44 to 2.19)
1.31
(<0.001)
(0.92 to 1.70)
>75% plain pack sales
(p value)
(95% CI)
2.26
(<0.001)
(1.22 to 3.31)
4.26
(<0.001)
(3.99 to 4.53)
2.22
(<0.001)
(1.64 to 2.80)
2.53
(<0.001)
(2.24 to 2.83)
Product sizeYesNoYesNo
Brand identifierNoYesNoYes
Tax period fixed effectYesYesYesYes
  • *Reference category in our regression is ‘before May 2016’, from May 2015 to May 2016.

  • †Based on proportion plain pack volume of sales for cigarettes and inferred plain pack volume of sales for hand-rolling tobacco based on sales of products in 30 g or more.

  • RYO, roll-your-own tobacco.