Intervention | Average weekly units sold per machine (SDa) | Mean differencec (95% CIb) | P-value |
---|---|---|---|
High-sugar beverages | |||
 Control | 115 (53) | 0 (reference) |  |
 Tax message | 112 (57) | -2 (−8 to 5) | 0.61 |
 Subsidy message | 117 (55) | 0 (−10 to 10) | 0.96 |
Lower-sugar beverages | |||
 Control | 98 (63) | 0 (reference) |  |
 Tax message | 101 (65) | 4 (−4 to 13) | 0.32 |
 Subsidy message | 108 (71) | 7 (−4 to 18) | 0.18 |