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Table 1 Participant characteristics and mortality outcomes stratified by race

From: Association of red cell distribution width with all-cause and cardiovascular-specific mortality in African American and white adults: a prospective cohort study

Characteristics

African Americans

Whites

N = 1563

%

N = 1163

%

Age, mean (SD)

48.0 (9.2)

 

48.2 (9.3)

 

Sex

 Women

880

56.3

658

56.6

 Men

683

43.7

505

43.4

Poverty status

 Above

823

52.7

788

67.8

 Below

740

47.3

375

32.2

Education-college degree

 No

1458

93.8

913

82.9

 Yes

97

6.2

188

17.1

 Missing

8

 

62

 

Current smoking status

 No

686

49.9

574

54.4

 Yes

688

50.1

481

45.6

 Missing

189

 

108

 

Current alcohol use

 No

597

43.6

426

40.3

 Yes

773

56.4

630

59.7

 Missing

193

 

107

 

Marijuana use

 No

1141

83.3

952

90.2

 Yes

228

16.7

104

9.8

 Missing

194

 

107

 

Current cocaine use

 No

1271

92.4

1016

95.8

 Yes

104

7.6

45

4.2

 Missing

188

 

102

 

CES-D scale score

 < 16

859

58.9

661

59

 ≥ 16

600

41.1

460

41

 Missing

104

 

42

 

Hypertension

 No

712

48.6

660

58.9

 Yes

752

51.4

461

41.1

 Missing

99

 

42

 

Diabetes mellitus

 No

1209

81.9

937

83.3

 Yes

268

18.1

188

16.7

 Missing

86

 

38

 

RDW (%)

14.48 (1.91)

 

13.80 (1.32)

 

BMI (kg/m2)

29.95 (7.97)

 

30.21 (7.77)

 

LDL (mg/dL)

107.16 (37.13)

 

111.94 (35.98)

 

eGFR (ml/min/1.73 m2)

102.51 (22.72)

 

96.14 (17.72)

 

Total WBC (109/L)

6.18 (2.04)

 

7.04 (2.28)

 

hsCRP (mg/L)

5.47 (12.10)

 

4.45 (6.62)

 

WHR

0.91 (0.08)

 

0.95 (0.39)

 

All-cause mortality

141

 

85

 

CVD-specific mortality

48

 

24

 
  1. BMI body mass index, CES-D Center for Epidemiologic Studies Depression Scale, hsCRP high-sensitivity C-reactive protein, CVD cardiovascular disease, eGFR estimated glomerular filtration rate, LDL low density lipoprotein cholesterol, RDW red cell distribution width, SD standard deviation, WBC white blood cell count, WHR waist-hip ratio