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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: J Health Econ. 2012 Jun 9;31(5):719–729. doi: 10.1016/j.jhealeco.2012.05.007

Table 4.

Summary of Robustness of Key Results

Baseline Model State Controls State Trends Extra Individual Controls 8-Year Average Price Taxes Instead of Prices
Negative and significant mean effect Yes Yes Yes Yes Yes Yes
Effect stronger at high than low BMI quantiles Yes Yes Yes Yes Yes Yes
Effects strongest for blacks Yes Yes Yes Yes Yes Yes
Mean effect strongest for college graduates Yes Yes Yes Yes Yes Yes
Mean effect strongest for those ages 40–59 Yes Yes No Yes Yes Yes
Mean effect stronger for females Yes Yes Yes Yes Yes Yes