Additional file 2.

Estimated reduction in overweight and obesity from a 10% tax by age (CI = credible interval). Estimate is of the reduction in adults with a BMI ≥ 25 kg/m2 and is based on a tax pass on rate of 90%, price elasticity of −0.9. Numbers may not sum due to rounding. Estimates for each age group are weighted for sex; and the overall estimate is weighted for age and sex of the Irish population. Adjusted results are scaled up for under-reporting of overweight and obesity; they are derived assuming a baseline prevalence of male overweight and obesity of 67% and female overweight and obesity of 56% (compared to 59% and 42% respectively in the unadjusted results).

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