Table 3.

The estimated effect of the tax among stores within 1-mile of Seattle’s northern or southern border.

	DID (95 % CI)1,2	Percent Pass-through1,3
Taxed Beverages4 (n = 6,922)	1.42 (1.07, 1.76) *	81 %
Non-taxed Beverages5 (n = 7,256)	0.24 (−0.06, 0.53)	–

CI = confidence interval; DID = difference-in-difference.

¹Balanced models include beverages (unique brand, specification and size) that were present in the same store at baseline and 6-month store audits.

²Models include store fixed effects, beverage size, and beverage type as covariates. Standard errors are clustered at the store-level.

³The percent of the 1.75 cents/ounce passed on to consumers.

⁴Taxed beverages include: soda, sports beverages, energy beverages, juice beverages, bottled tea, and bottled coffee.

⁵Non-taxed beverages include: diet soda, diet sports drinks, diet energy beverages, 100 % juice, milk, water, powered sugar-free beverages, sugar-free bottled tea, sugar-free prepared coffee.

^*p < 0.05.