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Table 1 Baseline characteristics of individuals by HDL cholesterol category

From: Association of high-density lipoprotein cholesterol with all-cause and cause-specific mortality in the general population: insights from NHANES 1999–2018

Characteristics

HDL cholesterol

P value

Ìý

< 40Ìýmg/dL

40–49Ìýmg/dL

50–59Ìýmg/dL

60–79Ìýmg/dL

≥ 80Ìýmg/dL

Age, years

44.6 (44.1–45.1)

45.4 (44.9–45.9)

45.6 (45.1–46.1)

47.8 (47.2–48.4)

52.0 (51.2–52.8)

&±ô³Ù; 0.0001

Male, %

73.0 (71.9–74.0)

59.2 (58.2–60.2)

43.4 (42.0−44.7)

29.8 (28.6–31.0)

20.1 (18.5–21.9)

&±ô³Ù; 0.0001

Ethnicity, %

ÌýÌýÌýÌýÌý

&±ô³Ù; 0.0001

Non-Hispanic White

68.6 (66.0–71.0)

66.7 (64.5–68.9)

67.2 (64.9–69.6)

70.1 (67.9–72.1)

74.1 (71.5–76.4)

Ìý

Non-Hispanic Black

7.5 (6.6–8.5)

10.2 (9.2–11.3)

11.9 (10.7–13.3)

12.2 (10.9–13.6)

13.5 (11.8–15.4)

Ìý

Hispanic

16.7 (14.8–18.8)

16.2 (14.5–18.2)

13.7 (12.3–15.4)

11.1 (9.9–12.4)

6.6 (5.6–7.7)

Ìý

Other

7.2 (6.4–8.1)

6.9 (6.2–7.6)

7.1 (6.3−8.0)

6.6 (5.9–7.4)

5.9 (4.9−7.0)

Ìý

Body mass index, kg/m2

31.3 (31.0−31.5)

29.9 (29.8–30.1)

28.2 (28.1–28.4)

26.4 (26.2–26.5)

24.7 (24.5–25.0)

&±ô³Ù; 0.0001

Systolic blood pressure, mmHg

124 (123–124)

123 (123–124)

122 (122–123)

122 (122–123)

125 (124–126)

&±ô³Ù; 0.0001

Smoking status, %

ÌýÌýÌýÌýÌý

&±ô³Ù; 0.0001

Never smoker

48.5 (47.1–50.0)

54.4 (52.9–55.9)

57.7 (56.4–59.1)

59.9 (58.6–61.2)

55.5 (53.2–57.7)

Ìý

Former smoker

23.7 (22.6–24.9)

23.4 (22.3–24.5)

23.6 (22.5–24.7)

23.3 (22.2–24.5)

26.1 (24.0−28.3)

Ìý

Current smoker

27.8 (26.3–29.2)

22.2 (21.2–23.3)

18.7 (17.7–19.8)

16.7 (15.9–17.6)

18.4 (16.6–20.4)

Ìý

Alcohol consumption*, %

ÌýÌýÌýÌýÌý

&±ô³Ù; 0.0001

Never

39.5 (38.1–41.0)

37.9 (36.3–39.4)

37.4 (35.8–38.9)

35.0 (33.7–36.3)

32.0 (29.9–34.2)

Ìý

Less than once a week

57.6 (56.1–59.2)

58.9 (57.4–60.5)

58.9 (57.3–60.5)

60.3 (59.0−61.6)

63.4 (61.0−65.8)

Ìý

More than once a week

2.8 (2.2–3.6)

3.2 (2.8–3.7)

3.7 (3.1–4.4)

4.7 (3.7–5.8)

4.6 (3.4–6.1)

Ìý

Cumulative times of alcohol consumption, per year

8.2 (7.0−9.4)

8.4 (7.5–9.4)

8.5 (7.4–9.5)

10.3 (9.1–11.5)

11.2 (8.6–13.7)

&±ô³Ù; 0.0001

LDL cholesterol, mgl/dL

112 (110–113)

117 (116–117)

115 (114–116)

111 (110–112)

107 (105–109)

&±ô³Ù; 0.0001

Triglycerides, mgl/dL

247 (241–253)

157 (154–160)

123 (122–125)

100 (98–102)

84 (82–86)

&±ô³Ù; 0.0001

Fasting status†, %

(48.3–51.4)

54.6 (53.4–55.8)

55.1 (53.8–56.4)

55.2 (53.8–56.5)

54.4 (51.9–56.9)

&±ô³Ù; 0.0001

Diabetes mellitus, %

13.3 (12.4–14.2)

10.5 (9.8–11.2)

7.1 (6.6–7.7)

5.4 (4.9−6.0)

3.7 (3.0−4.5)

&±ô³Ù; 0.0001

Coronary artery disease, %

4.9 (4.4–5.5)

4.0 (3.5–4.5)

2.8 (2.5–3.2)

2.2 (1.8–2.6)

2.3 (1.8–3.1)

&±ô³Ù; 0.0001

Stroke, %

3.2 (2.8–3.7)

2.8 (2.5–3.1)

2.5 (2.2–2.8)

2.3 (2.0−2.7)

2.9 (2.2–3.8)

0.0004

Heart failure, %

3.6 (3.1–4.1)

2.4 (2.2–2.7)

1.9 (1.6–2.2)

1.7 (1.4−2.0)

1.7 (1.3–2.3)

&±ô³Ù; 0.0001

COPD, %

6.6 (5.9–7.5)

5.8 (5.3–6.3)

5.4 (4.8–6.1)

5.4 (4.8−6.0)

7.3 (6.1–8.5)

&±ô³Ù; 0.0001

Cancer, %

7.9 (7.2–8.7)

8.9 (8.3–9.6)

8.5 (7.9–9.3)

9.7 (9.0−10.4)

13.1 (11.6–14.6)

&±ô³Ù; 0.0001

Chronic renal disease (eGFR < 60Ìýml/min), %

6.3 (5.8–6.8)

6.4 (6.0−6.9)

6.2 (5.7–6.7)

6.3 (5.8–6.8)

7.3 (6.0−8.9)

&±ô³Ù; 0.0001

Aspirin use, %

9.1 (8.1–10.2)

8.7 (8.0−9.6)

8.1 (7.4–8.8)

8.7 (7.9–9.7)

9.8 (8.0−12.1)

0.0103

Statin use, %

15.8 (14.7–17.0)

15.5 (14.7–16.4)

14.2 (13.3–15.2)

12.9 (12.0−13.8)

12.2 (10.6–14.0)

&±ô³Ù; 0.0001

Education level, %

ÌýÌýÌýÌýÌý

&±ô³Ù; 0.0001

Under high school

20.6 (19.5–21.8)

18.3 (17.2–19.5)

15.9 (14.8–17.1)

13.4 (12.5–14.4)

11.9 (10.5–13.5)

Ìý

High school graduate

26.3 (24.9–27.7)

24.6 (23.6–25.6)

22.6 (21.4–23.9)

20.4 (19.2–21.5)

20.6 (18.7–22.7)

Ìý

Above high school/unknown

53.1 (51.3–54.9)

57.1 (55.6–58.6)

61.5 (59.8–63.1)

66.2 (64.6–67.8)

67.4 (64.9–69.9)

Ìý

Marital status, %

ÌýÌýÌýÌýÌý

&±ô³Ù; 0.0001

Married/cohabiting

64.3 (62.6–65.9)

61.9 (60.7–63.0)

60.1 (58.7–61.5)

58.7 (57.1–60.2)

59.4 (57.1–61.7

Ìý

Separated/divorced/widowed

14.6 (13.7–15.6)

16.3 (15.5–17.0)

17.7 (16.8–18.7)

20.7 (19.6–21.7)

24.5 (22.7–26.4)

Ìý

Never married/unkown

21.1 (19.5–22.8)

21.9 (20.6–23.1)

22.2 (20.9–23.5)

20.7 (19.2–22.3)

16.1 (14.5–17.8)

Ìý

Poverty income ratio (PIR)#

2.8 (2.7–2.8)

2.9 (2.8−3.0)

3.0 (2.9–3.1)

3.2 (3.1–3.2)

3.4 (3.3–3.5)

&±ô³Ù; 0.0001

All-cause mortality, %

12.3 (11.5–13.2)

10.9 (10.3–11.6)

9.5 (8.7–10.2)

10.4 (9.6–11.2)

13.4 (12.0−14.8)

&±ô³Ù; 0.0001

CVD mortality, %

3.8 (3.4–4.3)

3.2 (2.9–3.6)

2.8 (2.5–3.2)

3.1 (2.7–3.5)

3.5 (2.9–4.1)

0.0005

Non-CVD mortality, %

8.5 (7.8–9.1)

7.7 (7.2–8.2)

6.7 (6.1–7.3)

7.3 (6.7–7.9)

9.9 (8.7–11.1)

&±ô³Ù; 0.0001

  1. †Fasting status, indicated by fasting time ≥ 8Ìýh. *One drink means at least 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of liquor. #PIR is calculated by dividing family income by family size, year, and geographic location, as measured by the Department of Health and Human Services. CVD, cardiovascular disease. HDL, high-density lipoprotein. LDL, low-density lipoprotein. COPD, chronic obstructive pulmonary disease