Table 3.

Differences in area-based social measures by race (n = 179).

	Neighborhood			Zip code			County
	AA/Black	White	P-value	AA/Black	White	P-value	AA/Black	White	P-value
Median household income (in $1,000s) (IQR)	$33.7 ($25.8–$51.2)	$52.8 ($41.0–$71.1)	<0.01	$34.4 ($30.3–$45.8)	$47.3 ($37.5–$61.6)	<0.01	$45.0 ($37.7–$45.8)	$45.6 ($39.2–$51.3)	0.44
Median % HS graduate (IQR)	84.1 (75.5–92.6)	87.9 (80.2–95.0)	0.02	82.4 (76.5–88.1)	85.1 (79.8–91.1)	0.03	86.6 (79.3–88.4)	85.4 (79.3–88.4)	0.43
Median % impoverished (IQR)	21.4 (13.8–30.3)	13.7 (7.6–18.8)	<0.01	25.2 (18.9–32.6)	15.2 (9.8–20.7)	<0.01	18.8 (17.4–23)	18.8 (15.6–21.3)	0.59
Median % uninsured (IQR)	20.2 (13.2–24.3)	15.2 (11.4–21.4)	0.04	22.1 (17.8–25.2)	17.2 (13.4–20.4)	<0.01	17.1 (15.5–20.7)	18.6 (17.1–21.5)	0.09
Median SVI percentile (IQR)	0.6 (0.5–0.9)	0.5 (0.2–0.6)	<0.01				0.3 (0.1–0.5)	0.3 (0.1–0.5)	0.08
Median national ADI	80 (60–93)	55 (39–77)	<0.01

AA, African American; ADI, area deprivation index; SVI, social vulnerability index. Block group-level measures: household income and graduation rate. Census tract-level measures: SVI, % uninsured, % impoverished. Bold indicates statistical significance, P < 0.05.