Table 3 Unadjusted mean (sd) volume of beer and cider (ml) sold per day, overall and according to serving size (n = 13) and results of regression analyses assessing differences in the number of beers and ciders sold in each size according to study period

Overall volume of beer/cider sold (ml)

83,179.32 (92,549.14)

81,296.28 (94,259.47)

Volume of beer/cider sold (ml) in 1/3pints (189ml)

16.39 (106.89)

18.21 (149.32)

0.611 95% CIs 0.149 to 1.07; p < 0.01

Volume of beer/cider sold (ml) in ½ pints (284ml)

3402.93 (3716.05)

3127.90 (3729.24)

-0.018 95%CIs -0.088 to 0.053; p = 0.62

Volume of beer/cider sold (ml) in 330ml

2021.25 (4181.84)

1746.09 (3239.24)

-0.010; 95% CIs -0.150 to 0.130; p = 0.887

Volume of beer/cider sold (ml) in 2/3pints (378ml)

0 (0)

1248.46 (2066.01)

Volume of beer/cider sold (ml) in 440ml

226.04 (734.49)

228.46 (765.54)

0.042 95%CIs -0.136 to 0,220; p = 0.64

Volume of beer/cider sold (ml) in 500ml

1297.39 (3212.31)

1239.01 (1837.93)

0.121 95% CIs -0.0003 to 0.2442; p = 0.051

Volume of beer/cider sold (ml) in pints (568ml)

68,605.50 (85,338.76)

66,334.29 (86,441.33)

0.092 95% CIs -0.118 to 0.302; p = 0.39

Volume of beer/cider sold (ml) in 600ml

6611.54 (28,756.20)

6932.31 (29,478.25)

-0.087 95% CIs -0.549 to 0.373; p = 0.708

Volume of beer/cider sold (ml) in 5L

982.14 (4694.63)

961.54 (4488.57)

0.004 95% CIs -0.116 to 0.124; p = 0.949