Exhibit 3.

Primary adopters versus non-adopters analysis for BMI, fruit and vegetable intake, perceptions of food access

	Baseline	Follow-up	Difference-in-Difference
	Difference between adopters of the new supermarket as their primary store and non adopters (Unadjusted)	Difference between adopters of the new supermarket as their primary store and non adopters (Unadjusted)	Unadjusted	Adjusted
BMIa	1.34	0.72	−0.61ns	-
Fruit and vegetable intake	−0.58	−0.30	0.28ns	-
Perceptions of food access	−0.38	0.93	1.31ns	1.00ns
Grocer Choice	−0.46	−0.19	0.27ns	0.22ns
Grocer Quality	0.02	0.41	0.39ns	0.31ns
F&V Choiceb	−0.20	0.38	0.58**	0.49*
F&V Qualityb	−0.08	0.27	0.34ns	0.25ns
F&V Expenseb	0.33	0.07	−0.27ns	−0.27ns

^aBody Mass Index,

^bFruit & Vegetable

^***P ≤ 0.001

^**P ≤ 0.01

^*P ≤ 0.05

^nsnot statistically significant

Authors calculation based on analytical data. Adjusted analyses controlled for: age, sex race/ethnicity, presence of children, household income, education, employment status, and mode of transport