Subgroup	Prevalence of being at higher risk of COPD, % (95% CI)	Prevalence ratio comparing receipt of test, by risk group, % (95% CI)	Prevalence of receiving a breathing test, by risk group, % (95% CI)
			Higher risk	Not higher risk
Overall	15.0 (14.6–15.5)	1.88 (1.80–1.97)	41.4 (39.9–42.9)	22.0 (21.4–22.6)
Sex
Male	15.5 (14.8–16.1)	1.70 (1.59–1.80)	41.8 (39.6–43.9)	24.6 (23.8–25.5)
Female	14.7 (14.1–15.3)	2.09 (1.95–2.23)	40.8 (38.7–43.0)	19.6 (18.8–20.4)
Race and ethnicity
Hispanic	14.5 (12.8–16.4)	1.88 (1.54–2.29)	34.6 (28.8–41.0)	18.5 (16.7–20.3)
Non-Hispanic Black	17.5 (16.3–18.9)	1.85 (1.64–2.09)	41.4 (37.3–45.7)	22.4 (20.8–24.0)
Non-Hispanic White	15.2 (14.8–15.7)	1.82 (1.74–1.90)	42.6 (41.1–44.1)	23.4 (22.8–24.1)
Education
High school or less	19.3 (18.5–20.1)	1.85 (1.72–1.98)	38.6 (36.5–40.7)	20.9 (19.9–21.8)
Some college	15.6 (14.8–16.5)	1.84 (1.69–2.00)	44.4 (41.5–47.3)	24.2 (22.9–25.5)
College graduate	8.4 (7.9– 8.9)	2.09 (1.93–2.26)	44.1 (41.2–47.1)	21.1 (20.3–22.0)
Urban/rural
Large central metro	13.2 (12.2–14.2)	2.06 (1.85–2.30)	43.9 (40.2–47.7)	21.3 (19.9–22.8)
Large fringe metro	14.8 (13.9–15.8)	1.86 (1.68–2.06)	40.3 (37.0–43.8)	21.7 (20.5–23.0)
Medium metro	15.2 (14.4–16.1)	1.86 (1.71–2.02)	43.1 (40.1–46.2)	23.2 (22.1–24.4)
Small metro	17.0 (15.5–18.6)	1.74 (1.57–1.93)	38.5 (35.0–42.0)	22.1 (20.9–23.3)
Micropolitan	16.8 (15.9–17.6)	1.79 (1.65–1.95)	39.7 (37.1–42.4)	22.2 (21.1–23.4)
Rural	18.0 (17.0–19.2)	1.74 (1.57–1.92)	37.2 (34.3–40.3)	21.4 (20.1–22.8)