Table 4

Estimated impact on obesity of a 10% tax by income (95% credible intervals)
Income group Percentage reduction in obesity
Female Male Overall
Income group 1 (lowest) 1.4% (1.0% to 1.9%) 0.7% (0.5% to 1.0%) 1.1% (0.7% to 1.4%)
Income group 2 1.2% (0.8% to 1.6%) 1.0% (0.7% to 1.3%) 1.1% (0.7% to 1.4%)
Income group 3 (highest) 1.2% (0.8% to 1.6%) 1.5% (1.0% to 1.9%) 1.4% (0.9% to 1.8%)

Estimates are of the reduction in adults with a BMI ≥ 30 kg/m2. Income groups are based on level of net household income and are grouped as follows: Group 1: <€19,999 per year; Group 2: €20,000-€39,999 per year; Group 3: >€40,000 per year. Estimates are based on a tax pass on rate of 90% and price elasticity of −0.9. Estimates are weighted for age and sex of the Irish population.

Briggs et al.

Briggs et al. BMC Public Health 2013 13:860   doi:10.1186/1471-2458-13-860

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