Table 3.

Age- and Sex-Stratified Percentage of People With Angina Symptoms or a Medical History of Angina and 95% Confidence Intervals Among Those Aged ≥40 Years by Time Period: NHANES, 1988 to 2012 (United States)

	NHANES III	2001–2004	2005–2008	2009–2012
Angina symptoms (Rose questionnaire)
40–64 y
Men	2.9 (2.1–4.1)	2.6 (1.7–3.8)	2.2 (1.6–2.9)	1.9 (1.3–2.7)
Women	4.4 (3.5–5.6)	3.5 (2.7–4.6)	3.6 (2.8–4.5)	3.2 (2.4–4.1)
≥65 y
Men	5.1 (4.1–6.2)	4.1 (2.9–5.9)	3.3 (2.2–4.9)	2.9 (2.1–4.0)*
Women	5.6 (4.7–6.6)	4.6 (3.4–6.2)	4.6 (3.6–5.8)	2.4 (1.7–3.2)*
Medical history (doctor told them they had angina)
40–64 y
Men	…	3.3 (2.3–4.8)	2.1 (1.5–2.8)	2.0 (1.3–3.2)
Women	…	2.6 (1.7–3.8)	2.0 (1.4–2.8)	2.0 (1.4–2.8)
≥65 y
Men	…	11.0 (9.5–12.8)	9.7 (7.2–13.0)	7.8 (5.8–10.4)
Women	…	9.4 (7.4–11.8)	6.3. (4.7–8.3)	5.1 (4.2–6.4)*

NHANES indicates National Health and Nutrition Examination Survey.

^*Rates dropped significantly (P<0.05) from the first time period to the last time period.