. Author manuscript; available in PMC: 2021 Jun 16.

Published in final edited form as: J Med Syst. 2017 Nov 11;41(12):203. doi: 10.1007/s10916-017-0850-0

Table 3.

Test of statistical difference in percentages of demographic groups (census tract level)

	Conterminous U.S.			Census Region
	Conterminous U.S.			Northeast	Midwest	South	West
	% > average accessibility	% < average accessibility	Difference in %	Difference in %	Difference in %	Difference in %	Difference in %
By racial-ethnic group:
White	26.52	46.11	19.59^*** (33.45)	23.60^*** (54.04)	16.51^*** (43.81)	11.82^*** (35.39)	12.75^*** (39.16)
Black	6.57	6.11	−0.46^*** (−39.38)	−12.25^*** (−33.55)	−12.83^*** (−35.71)	−8.11^*** (−25.22)	−2.15^*** (−17.04)
Hispanic	9.26	7.15	−2.11^*** (−12.07)	−12.30^*** (−43.91)	−4.42^*** (−23.86)	−0.46 (−1.66)	−8.18^*** (−20.75)
Asian	2.82	1.79	−1.03^*** (−55.32)	−5.58^*** (−37.54)	−2.09^*** (−31.56)	−2.13^*** (−36.73)	−7.88^*** (−43.01)
By poverty status:
Population below poverty line	5.65	9.46	3.81^*** (16.28)	−0.05 (−0.24)	−1.05^*** (−5.12)	2.74^*** (16.05)	1.80^*** (9.61)

Note: t-value in parentheses

^***

p<=0.001