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Table 1 Mean post-tax absolute and relative effects, overall and in the final study week

From: Assessing the impact of the Barbados sugar-sweetened beverage tax on beverage sales: an observational study

  Mean Overall Final Week of Study
Absolute (mL/capita/week) Relative (%) Absolute (mL/capita/week) Relative (%)
Est CI Est CI Est CI Est CI
SSBs −8.6 − 10.0 to − 7.3 − 4.3 − 4.9 to − 3.6 − 10.4 − 26.8 to 6.0 − 5.9 − 15.5 to 3.7
Carbonated SSBs − 4.5 − 5.4 to − 3.6 − 3.6 − 4.4 to − 2.9 −15.6 − 26.8 to − 4.5 −15.5 −27.4 to − 3.7
Other SSBs −4.1 − 4.6 to − 3.6 −5.1 − 5.8 to − 4.5 4.1 −2.2 to 10.5 5.1 −2.6 to 12.8
Non-SSBs 6.1 5.3 to 6.8 5.2 4.5 to 5.9 5.4 −3.8 to 14.6 3.8 −2.7 to 10.2
Water 4.9 4.3 to 5.5 7.5 6.5 to 8.3 8.1 1.1 to 15.0 9.1 1.5 to 16.8
Other non-SSBs 1.3 1.0 to 1.6 2.4 1.9 to 3.1 −2.3 −5.9 to 1.3 −4.3 −11.1 to 2.5