Table 2.
Summary of quantitative findings of the impact of SSB taxation on percentage change in consumption
| Intervention | Percentage change in SSB consumption resulting from taxation | ||
|---|---|---|---|
| Author year | Number of studies | Results | |
| 10% tax | Teng et al. 2019 [27] | 17 | -10.0% (95% CI: -5.0, -14.7%), |
| 10% price increase | Afshin et al. 2017 [28] | 5 | -7.0% (95% CI: -3.0, -10.0%) |
| 10% tax | Nakhimovsky et al. 2016 [29] | 9 | -9.0 (range: -6.0, -12.0%) |
| 10% tax | Maniadakis et al. 2013 [36] | 17 | Range (-5.0, -16.0% (most studies > -10%) |
| 10% tax | Powell et al. 2013 [37] | 12 | -12.1% (95% CI: -7.1, -22.6%) |
| 20% tax | Powell et al. 2013 [37] | 12 | -24.2% (95% CI: -14.2, -45.2%) |
| 5% to 30% tax | Thow et al. 2014 [34] | 16 | Range: (-5.0% to -30.0%) (reduction in SSB consumption proportional to the level of tax applied) |