Table 1

Characteristics of Study Sample and Subsamples of Individuals Aged 30 to 79 Years

CharacteristicOverall SampleCoronary Artery DiseaseDiabetes and Aged >40 Years
TotalOn StatinNot on StatinTotalOn StatinNot on StatinTotalOn StatinNot on Statin
Individuals, No.16,7122,79913,9131,3046946082,0169921,019
Weighted proportion, %18.8
(18.0–19.7)
81.2
(80.3–82.0)
58.2
(54.6–61.7)
41.8
(38.3–45.4)
52.0
(49.4–54.6)
48.0
(45.4–50.6)
Population in millions, No.166
(159–173)
31.2
(29.2–33.2)
135
(129–140)
13.4
(12.3–14.5)
7.8
(7.0–8.6)
5.6
(4.9–6.3)
18.7
(17.3–20.0)
9.7
(8.9–10.6)
9.0
(8.2–9.8)
Age, y51.3
(51.0–51.6)
61.1
(60.6–61.6)a
49.0
(48.7–49.3)a
62.9
(62.3–63.6)
64.9
(64.1–65.7)a
60.2
(59.1–61.4)a
60.3
(59.6–60.9)
61.8
(61.1–62.6)a
58.5
(57.6–59.4)a
Sex, female, %50.8
(50.2–51.4)
46.7
(44.8–48.7)b
51.7
(50.9–52.5)b
41.4
(38.4–44.5)
37.8
(33.6–42.3)b
46.4
(41.9–51.1)b
49.3
(46.8–51.8)
49.8
(46.0–53.6)
48.8
(44.8–52.8)
Tobacco users, %18.6
(17.7–19.5)
16.4
(14.8–18.2)b
19.1
(18.1–20.1)b
21.7
(18.5–25.3)
19.7
(15.9–24.0)b
24.7
(20.5–29.4)b
17.0
(15.1–19.0)
15.7
(13.4–18.4)
18.3
(15.5–21.5)
Hypertension, %39.2
(38.1–40.3)
70.7
(68.2–72.7)b
31.9
(30.8–33.1)b
80.3
(77.6–82.8)
84.2
(80.6–87.4)b
74.8
(70.7–78.5)b
81.1
(78.8–83.1)
86.0
(83.1–88.6)b
75.7
(72.1–78.9)b
Hyperlipidemia, %38.4
(37.5–39.3)
95.8
(94.8–96.6)b
25.1
(24.3–26.0)b
78.7
(76.2–81.1)
94.3
(92.0–96.0)b
57.1
(52.7–61.4)b
77.4
(75.0–79.5)
94.8
(92.7–96.3)b
58.5
(54.7–62.3)b
Race/ethnicity, %
 White69.5
(67.6–71.3)
77.8
(76.0–80.3)b
67.5
(65.5–69.5)b
74.9
(71.8–77.7)
80.3
(76.7–83.4)b
67.3
(62.1–72.1)b
62.8
(59.4–66.1)
67.3
(63.3–71.0)b
58.0
(53.3–62.5)b
 Black11.2
(10.1–12.5)
9.4
(8.0–11.0)
11.6
(10.4–13.0)
11.5
(9.6–13.6)
9.1
(6.9–12.1)
14.8
(11.9–18.2)
16.4
(14.0–19.0)
14.4
(11.9–17.4)
18.4
(15.2–21.5)
 Hispanic12.8
(11.4–14.3)
7.2
(6.1–8.5)
14.1
(12.6–15.8)
8.2
(6.4–10.5)
5.4
(4.0–7.3)
12.2
(8.9–16.3)
13.0
(11.0–15.3)
10.2
(8.1–12.7)
16.9
(14.0–22.2)
 Asian4.7
(3.9–5.6)
3.6
(2.6–4.9)
4.9
(4.2–5.9)
2.7
(1.8–4.0)
3.2
(2.1–4.9)
1.9
(1.0–3.7)
4.4
(3.4–5.7)
4.9
(3.5–6.7)
3.9
(2.8–5.5)
 Other1.8
(1.4–2.3)
2.0
(1.3–3.0)
1.8
(1.4–2.2)
2.7
(1.8–4.2)
1.9
(1.0–3.8)
3.9
(2.3–6.3)
3.5
(2.4–4.8)
3.2
(2.1–4.9)
3.7
(2.4–5.8)
Insurance, %
 Any private70.7
(67.6–72.0)
69.9
(67.4–72.3)b
70.9
(69.5–72.3)b
55.1
(51.3–58.9)
59.7
(55.0–64.1)b
48.8
(43.5–54.1)b
60.6
(57.8–63.3)
62.2
(58.4–65.9)b
58.8
(54.9–62.6)b
 Public15.6
(14.7–16.6)
25.7
(23.6–27.9)
13.3
(12.4–14.3)
37.3
(34.0–40.8)
35.8
(31.7–40.1)
39.4
(34.9–44.2)
30.5
(27.9–33.3)
32.5
(29.2–36.0)
28.4
(24.7–32.4)
 None13.7
(12.8–14.6)
4.4
(3.6–5.5)
15.8
(14.8–16.9)
7.6
(6.1–9.3)
4.5
(3.1–6.7)
11.8
(9.1–15.1)
8.9
(7.5–10.6)
5.3
(3.6–7.7)
12.8
(10.7–15.3)
  • Note: Values are mean (95% CI) or percentage (95% CI).

  • a Difference between those on a statin and not on a statin was significant (P <.05) with the adjusted Wald test.

  • b Difference between those on a statin and not on a statin was significant (P <.05) with the χ2 test.