Evidence that a tax on sugar sweetened beverages reduces the obesity rate: a meta-analysis

BMC Public Health

Table 4 The impact on obesity, overweight and BMI based in consumption change due to price increase of SSBs

Author/year/country	Impact on BMI kg/m2	SE	Impact on overweight	SE	Impact on obesity prevalence	SE	Price increase (%)
Fletcher JM, et al. (2010a)[12] USA – Adults	- 0.0031	0.0005	-0.0002	0.0001	-0.0001	-0.000	1%
Fletcher JM, et al. (2010b)[48] USA – Children and adolescents	- 0.015	0.016	-0.002	0.011	-0.009	-0.006	1%
EA, et al. (2010)[47] USA	- 0.065¹	0.023					20%
Han E, et al. (2011)[52], USA – Women					-0.05	0.287	10%
Han E and Powell LM. (2011)[52], USA – Men					-0.34	0.381	10%
Powell LM, et al. (2009)[21] USA – Vending Machine	0.011	0.017					1%
Powell LM, et al. (2009)[23] USA – Grocery shops	0.0124	0.0124					1%
Smith TA, et al. (2010)[50], USA			-0.045	N/R	-0.03	N/R	20%

¹BMI calculation. Formula: Mass (kg)/(Height(m))^2 = 0.20 kg/1.76 m = 0.065. Mass is 0.20 kg (Page 5. Table 3. 20%Tax on carbonated SSBs. All groups). Height: 1.76 (USA average height).
N/R Not reported.

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