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Lack of Health Insurance Among Adults Aged 18 to 64 Years: Findings From the 2013 Behavioral Risk Factor Surveillance System

ORIGINAL RESEARCH — Volume 12 — December 31, 2015

PEER REVIEWED

Figure 1. Estimated state prevalence of lack of health insurance in relation to the national average among adults aged 18 to 64 years, 2013 Behavioral Risk Factor Surveillance System (http://www.cdc.gov/brfss/). Asterisk indicates states that did not expand Medicaid.

State Age-Standardized Prevalence of Lack of Health Insurance, % (95% Confidence Interval)
Above national average
Texas* 33.2 (31.5–34.9)
Florida* 29.3 (27.8–30.9)
Arkansas 28.6 (26.3–31.1)
Mississippi* 28.0 (26.1–30.0)
Nevada 28.0 (25.2–31.0)
Georgia* 27.3 (25.7–29.1)
New Mexico 26.9 (25.2–28.6)
Louisiana* 26.8 (24.2–29.5)
Oregon 25.3 (23.2–27.5)
West Virginia 25.0 (23.3–26.9)
Arizona 25.0 (21.9–28.4)
North Carolina* 24.8 (23.3–26.3)
South Carolina* 24.3 (22.8–25.8)
Idaho* 24.1 (22.1–26.3)
Wyoming* 23.9 (21.9–26.0)
Equivalent to national average
Oklahoma* 23.1 (21.6–24.6)
Kentucky 22.4 (20.9–24.0)
Alabama* 22.1 (20.1–24.3)
Tennessee* 21.8 (19.9–23.9)
Montana 21.6 (20.1–23.1)
Kansas* 21.2 (20.4–22.1)
Washington 21.1 (19.8–22.5)
Indiana 20.8 (19.4–22.2)
Colorado 20.4 (19.2–21.5)
California 20.3 (19.1–21.6)
Illinois 20.2 (18.1–22.4)
Alaska 19.9 (18.0–21.9)
Below national average
New Jersey 19.5 (18.3–20.9)
Rhode Island 19.2 (17.5–21.1)
Virginia* 18.8 (17.4–20.3)
Missouri* 18.7 (16.8–20.8)
Utah* 18.5 (17.4–19.6)
Michigan 18.0 (16.7–19.4)
Nebraska* 17.9 (16.6–19.2)
New York 17.4 (16.0–18.8)
Ohio 16.9 (15.5–18.3)
New Hampshire 16.2 (14.6–18.0)
Maryland 16.0 (14.7–17.5)
Maine* 15.7 (14.2–17.2)
Pennsylvania 15.5 (14.4–16.8)
South Dakota* 14.9 (13.1–16.8)
Delaware 14.7 (13.1–16.5)
Wisconsin* 14.6 (12.9–16.4)
Iowa 13.2 (11.9–14.7)
Minnesota 12.7 (11.5–13.9)
Connecticut 12.4 (11.0–13.9)
North Dakota 12.3 (11.0–13.7)
Vermont 12.1 (10.7–13.6)
Hawaii 10.3 (9.2–11.5)
District of Columbia 9.5 (7.8–11.5)
Massachusetts 7.5 (6.6–8.5)
National average 21.5 (21.1–21.8)

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Figure 2. Population of adults aged 18 to 64 years by Medicaid expansion status among 3 state groups (above national average, equivalent to national average, below national average) categorized by estimated state prevalence of lack of health insurance in relation to the national average, 2013 Behavioral Risk Factor Surveillance System (http://www.cdc.gov/brfss/). Fifteen states were above the national average (6 with Medicaid expansion and 9 without); 12 states were equivalent to the national average (8 with Medicaid expansion and 4 without), and 24 states were below the national average (17 with Medicaid expansion and 7 without).

Medicaid Expansion Status, US Adults Aged 18–64 Years Above National Average, Millions Equivalent to National Average, Millions Below National Average, Millions
Live in state with expanded Medicaid 11.8 43.6 55.6
Live in state without expanded Medicaid 46.5 10.7 15.0
Total 58.3 54.3 70.6

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The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions.
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