Beverage category | Change at 12 weeks* | Change at 6 months† | ||||
On-menu | Change (%) | 95% CI | p Value | Change (%) | 95% CI | p Value |
Levied SSBs | −11.04 | (−17.30 to 4.30) | p=0.003 | −9.34 | (−15.21 to 3.15) | p=0.004 |
Fruit juice (main menu) | 3.36 | (−4.50 to 11.96) | p=0.394 | 21.77 | (14.00 to 30.21) | p<0.0001 |
Fruit juice (children’s menu) | −34.69 | (−55.43 to 4.30) | p=0.031 | −9.88 | (−16.81 to 2.37) | p=0.011 |
Diet cola | −1.88 | (−6.01 to 2.53) | p=0.377 | −7.32 | (−11.66 to 2.76) | p=0.002 |
Bottled water | 5.44 | (−1.19 to 12.64) | p=0.104 | −6.48 | (−11.04 to 1.69) | p=0.009 |
Off-menu | ||||||
Levied SSBs | −8.06 | (−16.39 to 1.21) | p=0.084 | −4.21 | (−10.24 to 2.12) | p=0.187 |
Mixers | 21.53 | (8.22 to 36.62) | p=0.002 | 2.43 | (−3.15 to 8.33) | p=0.402 |
Analyses at 12 weeks are based on n=888 restaurant weeks; analyses at 6 months based on n=820 restaurant periods.
Percentages are the exponentiated coefficients of change in log-transformed numbers of beverages sold per customer and are calculated from: (see online supplementary appendix 3 for more details).
*Robust standard errors.
†Robust clustered standard errors adjusted for seasonality and clustering.
SSBs, sugar-sweetened beverages.