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. 2021 Jul 9;11(7):e048390. doi: 10.1136/bmjopen-2020-048390

Table 1.

Demographic, socioeconomic and contextual characteristics among included Mortality Disparities in American Communities participants by availability of healthy food retail in residential ZIP code tabulation areas

No supermarket or produce market
(N=4 92 000*)
Any supermarket or produce market
(N=2 261 000*)
Total
(N=2 753 000*)
Individual demographic characteristics
 Gender, % female 52.0% 53.3% 53.1%
 Age, mean (SD) 52.8 (15.7) 51.5 (16.0) 51.8 (16.0)
 Marital status, % married 69.6% 63.9% 64.9%
 Nativity, % US born 95.4% 85.6% 87.3%
 Race/ethnicity, % Black 4.6% 9.5% 8.6%
 Race/ethnicity, % White 92.0% 84.9% 85.5%
 Race/ethnicity, % Hispanic 4.1% 10.6% 9.4%
 Race/ethnicity, % Asian/Pacific Islander 1.3% 4.6% 4.0%
 Race/ethnicity, % other 2.1% 1.8% 1.9%
Socioeconomic characteristics
 Educational attainment, % college or more 21.9% 31.0% 29.3%
 Annual income in $ US, mean (SD) 71 800 (76 600) 84 700 (95 300) 82 400 (92 400)
Contextual (ZCTA-based)
 Median household income, mean (SD) 55 300 (19 200) 59 800 (22 800) 59 000 (22 300)
 Population density (thousands of residents/km2), mean (SD) 24 (83) 144 (355) 123 (327)
 Walkable destination density (count/km2), mean (SD) 0.5 (3.0) 3.1 (10.0) 2.6 (9.2)
 Fast food density 0.2 (1.0) 0.7 (1.8) 0.6 (1.7)
 Unhealthy food sources, restricted 0.5 (2.8) 3.1 (9.7) 2.6 (8.9)
 Unhealthy food sources, unrestricted 0.5 (3.2) 3.7 (11.2) 3.2 (10.3)

*Exact sample size suppressed during disclosure proofing; CBDRB-FY20-022.

ZCTA, ZIP code tabulation area.