Table 1.
Sample characteristics of adults aged 18 years and older by levels of metropolitan statistical areas (MSAs): United States, 2013–2018
| Large MSAs (n = 8,884) | Medium to small MSAs (n = 5,277) | Non-MSAsa (n = 2,199) | |||
|---|---|---|---|---|---|
| n e | Percent (95% CI) | P valueb | |||
| Sex | 0.41 | ||||
| Male | 7,981 | 48.9 (38.9–58.9) | 37.1 (25.3–50.0) | 14.1 (7.6–23.0) | |
| Female | 8,379 | 49.8 (39.8–59.9) | 36.0 (24.5–48.8) | 14.2 (7.6–23.4) | |
| Age | 0.16 | ||||
| 18–39 years | 5,775 | 50.6 (40.1–61.1) | 36.9 (25.1–50.0) | 12.5 (6.7–20.5) | |
| 40–59 years | 5,175 | 49.8 (40.2–59.5) | 35.7 (24.3–48.5) | 14.4 (7.4–24.3) | |
| 60–79 years | 4,414 | 47.6 (36.9–58.3) | 36.7 (24.6–50.1) | 15.8 (8.5–25.9) | |
| 80 years and older | 996 | 44.6 (33.7–55.9) | 38.1 (24.8–52.8) | 17.3 (9.1–28.7) | |
| Race and Hispanic originc | <0.001 | ||||
| Non-Hispanic white (NHW) | 5,984 | 42.9 (32.0–54.3) | 40.5 (26.8–55.3) | 16.6 (8.2–28.5) | |
| Hispanic | 4,169 | 60.5 (48.6–71.6) | 28.4 (17.8–41.2) | 11.1 (5.0–20.5)d | |
| Non-Hispanic black (NHB) | 3,543 | 62.1 (49.3–73.8) | 27.3 (17.0–39.7) | 10.7 (3.9–22.1)d | |
| Non-Hispanic Asian (NHA) | 2,011 | 72.5 (58.4–83.9) | 26.0 (14.5–40.4) | 1.6 (0.6–3.2)d | |
| Family income-to-povertyb ratio | <0.001 | ||||
| <1 | 3,199 | 45.0 (35.5–54.8) | 35.0 (23.4–48.1) | 19.9 (11.2–31.5) | |
| 1 to <2 | 3,969 | 43.0 (32.8–53.5) | 37.8 (25.5–51.5) | 19.2 (10.6–30.6) | |
| 2 to <4 | 3,911 | 45.4 (35.5–55.7) | 39.9 (27.0–53.8) | 14.7 (7.5–24.8) | |
| 4 or more | 3,616 | 56.6 (44.7–67.9) | 34.2 (22.4–47.6) | 9.2 (4.6–16.1) | |
| Level of educationb | <0.001 | ||||
| High school or less | 7,508 | 42.9 (33.7–52.5) | 38.0 (25.9–51.3) | 19.1 (10.2–31.1) | |
| More than high school or some college | 4,990 | 46.3 (36.5–56.4) | 38.3 (26.1–51.8) | 15.4 (8.5–24.8) | |
| College graduate | 3,847 | 60.7 (48.5–71.9) | 32.7 (21.2–46.0) | 6.6 (3.2–11.9) | |
| Health care visits in past yearb | <0.05 | ||||
| 0–1 | 5,642 | 50.8 (41.1–60.5) | 36.4 (25.1–49.1) | 12.7 (6.8–21.1) | |
| 2–3 | 4,759 | 49.4 (39.0–59.9) | 36.6 (24.8–49.6) | 14.0 (7.4–23.3) | |
| 4 or more | 5,932 | 48.1 (37.8–58.5) | 36.4 (24.5–49.7) | 15.5 (8.2–25.7) | |
| Body mass index (BMI, kg/m2)b | <0.001 | ||||
| Normal (18.5–24.9) | 4,447 | 54.7 (44.5–64.6) | 33.8 (22.5–46.7) | 11.5 (5.8–19.8) | |
| Overweight (25.0–29.9) | 5,107 | 51.7 (41.5–61.8) | 34.1 (23.1–46.6) | 14.2 (7.7–23.2) | |
| Class I obesity (30.0–34.9) | 3,402 | 44.8 (34.6–55.3) | 40.4 (28.0–53.7) | 14.8 (7.8–24.7) | |
| Class II obesity (35.0–39.9) | 1,635 | 46.0 (35.4–56.9) | 39.3 (26.6–53.0) | 14.7 (7.7–24.6) | |
| Class III obesity (≥40) | 1,295 | 39.0 (29.3–49.5) | 39.8 (26.2–54.6) | 21.2 (11.7–33.6) | |
| *Diagnosed Diabetesb | <0.01 | ||||
| Yes | 2,660 | 44.6 (35.0–54.4) | 36.9 (24.7–50.4) | 18.6 (10.0–30.1) | |
| No | 12,983 | 49.9 (39.9–60.0) | 36.5 (25.0–49.3) | 13.6 (7.3–22.3) | |
| Chronic kidney diseaseb | <0.01 | ||||
| Yes | 2,713 | 46.1 (36.8–55.6) | 36.1 (24.6–49.0) | 17.8 (10.0–28.2) | |
| No | 12,673 | 49.7 (39.5–59.8) | 36.7 (25.1–49.6) | 13.6 (7.3–22.5) | |
a
Degrees of freedom F < 8 (degrees of freedom = 7).
b
P value is from Satterthwaite-adjusted Wald chi-square test of independence.20
c
Sample sizes not adding up to total of 100% since results on non-Hispanic and other groups not shown.
d
The proportion does not meet NCHS presentation standard for proportions (relative width of Korn and Graubard 95% confidence interval >130%).
e
Unweighted sample size.
*
Diagnosed Diabetes = defined as self-report or an HbA1c ≥6.5%.
Source: 2013–2018 National Health and Nutrition Examination Survey.