Table 2.

Descriptive and correlational statistics comparing traditional and expanded mRFEI data in Calgary and Edmonton (2021). Values are counts unless otherwise indicated

	Calgary		Edmonton
Total retailers	6251		4577
Total schools	367		345
Total census tracts	227		200
Total retailers within 500 m of schools	3523		3616
	Trad.	Exp.	Trad.	Exp.
mRFEI
Total classified retailers	1488	3188	1355	2533
Total less healthy retailers	1211	2491	1145	2009
mRFEI
Mean	15	15	13	16
sd	20	17	17	17
Proximity to schools
Total classified retailers within 500 m of schools	863	1805	1068	2037
Total less healthy retailers within 500 m of schools	688	1449	901	1635
Total schools with less healthy retailers within 50 0m	218	263	235	265
Less healthy retailers within 500 m of schools
Mean	2	4	3	5
sd	3	6	4	8
Maximum less healthy retailers within 500 m of schools	25	54	40	69
Correlations – Spearman’s rho (ρ)
Census tracts with mRFEI ≥ 10	0·79		0·72
Schools with less healthy retailers within 500 m	0·89		0·93

mRFEI, modified Retail Food Environment Index; trad. = traditional mRFEI; Exp. = expanded mRFEI.