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. 2021 Nov 30;4(11):e2136022. doi: 10.1001/jamanetworkopen.2021.36022

Table 1. Sociodemographic, Population, Health Status, and Food Environment Characteristics of US Counties by Mortality Trajectory Cluster.

Characteristic Overall cohort (3133 counties), median (IQR) Mortality group, median (IQR) P value for trend
Low (1057 counties [34%]) Intermediate (1382 counties [44%]) High (694 counties [22%])
Demographic data
Population density, persons per square mile 45.1 (17.0-116.0) 25.1 (5.4-104.3) 60.4 (22.7-148.0) 45.1 (27.6-80.6) <.001
Sex, %
Female 50.5 (49.5-51.1) 50.1 (49.2-50.9) 50.5 (49.7-51.1) 50.8 (49.8-51.6) <.001
Male 49.5 (48.9-50.5) 49.9 (49.1-50.8) 49.5 (48.9-50.3) 49.2 (48.4-50.2) <.001
Age >55 y, % 30.7 (27.1-34.4) 31.8 (26.5-37.0) 30.7 (27.3-34.1) 29.8 (27.5-32.4) <.001
Race and ethnicity, %
Hispanic 3.7 (1.9-9.0) 5.4 (2.5-13.7) 3.6 (1.8-8.4) 2.5 (1.4-4.8) <.001
Racial minority groupa 9.9 (4.5-22.7) 7.6 (4.1-14.5) 9.7 (4.5-20.5) 23.9 (6.5-40.8) <.001
White 90.1 (77.3-95.5) 92.4 (85.5-95.9) 90.3 (79.5-95.5) 76.1 (59.2- 93.5) <.001
Population born outside the US, % 2.7 (1.4-5.7) 3.8 (1.9-8.4) 2.8 (1.4-5.5) 1.6 (0.9-3.0) <.001
Socioeconomic metrics
Distress scoreb 50.1 (25.0-75.0) 28.4 (12.6-49.2) 50.2 (28.7-70.5) 80.6 (65-91.4) <.001
Population in distressed zip code, % 8.0 (0-58.0) 0 (0-6.0) 11.0 (0-50.0) 67.0 (30.0-95.8) <.001
Median household income, $ 45 200 (38 900-52 500) 51 000 (44 800-58 800) 45 600 (40 400-52 000) 36 900 (33 300-41 500) <.001
Poverty rate, % 14.8 (11.0-19.1) 11.4 (8.8-14.6) 14.8 (11.6-17.6) 20.6 (17.1-24.4) <.001
Less than high school education 13.1 (9.5-18.7) 9.4 (7.3-12.6) 13.3 (10.4-17.6) 20.1 (16.1-23.2) <.001
Adults not in work, % 24.0 (18.9-30.5) 19.0 (15.1-24.0) 23.8 (20.1-29.1) 31.3 (27.5-36.9) <.001
Uninsured, % 20.8 (16.3-25.3) 18.6 (13.7-24.6) 20.2 (16.0-24.9) 23.7 (20.5-26.4) <.001
Physical environment
RUCA code (micropolitan) 5.2 (2.4-8.0) 6.2 (2.5-9.4) 4.7 (2.0-7.6) 5.3 (3.4-7.5) <.001
Violent crime rate per 100 000 population 199.0 (112.0-332.2) 161.5 (89.0-262.4) 200.4 (119.1-334.9) 272.8 (155.3-431.3) <.001
Housing vacancy rate, % 10.6 (7.5-14.2) 8.3 (5.9-12.6) 10.3 (7.9-13.4) 13.7 (11.3-16.1) <.001
No. of establishments in 2014 542.5 (225.0-1473.5) 609.5 (209.2-2162.2) 651.0 (261.0-1720.0) 380.0 (205.0-776.0) <.001
Food desert, % 13.0 (0-28.6) 6.8 (0-22.0) 14.3 (0-26.9) 22.2 (0-35.7) <.001
Access to exercise, % 62.1 (43.3-77.3) 68.7 (49.5-84.8) 63.5 (46.0-76.7) 48.3 (33.0-64.7) <.001
Health status and behaviors
BMI >30, % 31.2 (28.5-33.7) 28.6 (25.5-31.3) 31.4 (29.3-33.4) 34.4 (32.0-36.9) <.001
T2DM, % 10.9 (9.6-12.5) 9.6 (8.6-10.9) 10.9 (9.9-12.1) 12.9 (11.7-14.3) <.001
Current smoking, % 17.8 (15.7-20.7) 15.8 (14.6-17.1) 18.3 (16.2-20.3) 21.8 (19.6-23.9) <.001
No leisure physical activity, % 27.7 (23.9-30.9) 23.8 (19.9-27.3) 27.9 (24.9-30.3) 32.2 (29.6-35.1) <.001
Frequent distress, %
Mental 11.1 (9.6-12.6) 9.6 (8.6-10.9) 11.2 (10.1-12.3) 13.2 (12.2-14.3) <.001
Physical 11.2 (9.7-13.2) 9.7 (8.7-11.0) 11.2 (10.1-12.6) 13.9 (12.4-15.2) <.001
Adults with fair/poor health, % 15.9 (13.0-20.1) 12.9 (11.5-15.0) 16.2 (13.9-19.1) 21.4 (18.8-24.1) <.001

Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); RUCA, rural-urban commuting area; T2DM, type 2 diabetes.

a

Includes individuals self-identifying as Black or African American, American Indian or Alaska Native, Asian, Native Hawaiian, Pacific Islander, other, or multiple races/ethnicities.

b

Scores range from 0 to 100, with higher scores indicating higher levels of distress.