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Table 2 Weighted characteristics for the study population between death and survival group, NHANES 2003–2010

From: Association of low-level lead exposure with all-cause and cardiovascular disease mortality in US adults with hypertension: evidence from the National Health and Nutrition Examination Survey 2003–2010

 

Survival

Total death

P

Cardiovascular death

Non-cardiovascular death

Patients, n

4510

553

1390

 

Age, n (%)

   

 < 0.001

 60

2472 ( 67.3)

69 ( 17.8)

192 ( 20.7)

 

  ≥ 60

2038 ( 32.7)

484 ( 82.2)

1198 ( 79.3)

 

Sex, n (%)

   

0.680

 Male

2181 ( 49.7)

313 ( 50.8)

728 ( 48.6)

 

 Female

2329 ( 50.3)

240 ( 49.2)

662 ( 51.4)

 

Body massing index, n (%)

   

 < 0.001

 Normal weight (< 25.0 kg/m2)

766 ( 18.1)

130 ( 25.2)

366 ( 26.3)

 

 Overweight (25.0 – 29.9 kg/m2)

1466 ( 32.9)

191 ( 29.9)

526 ( 36.2)

 

 Obesity (≥ 30.0 kg/m2)

2278 ( 49.0)

232 ( 44.9)

498 ( 37.5)

 

Systolic blood pressure, mmHg

130.0(119.0, 143.0)

138.0(123.0, 154.0)

137.0(122.0, 151.0)

 < 0.001

Diastolic blood pressure, mmHg

76.0(67.0, 84.0)

66.0(58.0, 76.0)

69.0(59.0, 78.0)

 < 0.001

Lead, μg/dL

1.5(1.0, 2.1)

2.0(1.4, 2.8)

1.9(1.3, 2.7)

 < 0.001

Race, n (%)

   

 < 0.001

 Mexican American

766 ( 5.8)

52 ( 2.9)

162 ( 3.4)

 

 Other Hispanic

282 ( 3.2)

22 ( 1.8)

61 ( 2.1)

 

 Non-Hispanic White

2224 ( 73.5)

374 ( 82.7)

898 ( 82.0)

 

 Non-Hispanic Black

1050 ( 12.2)

93 ( 10.0)

240 ( 9.8)

 

 Other Race

188 ( 5.3)

12 ( 2.6)

29 ( 2.7)

 

Poverty income ratio, n (%)

   

 < 0.001

  < 1.3

1217 ( 16.8)

187 ( 27.3)

462 ( 25.6)

 

 1.3–3.5

1705 ( 35.8)

261 ( 49.4)

635 ( 47.6)

 

  > 3.5

1588 ( 47.4)

105 ( 23.3)

293 ( 27.8)

 

Education Level, n (%)

   

 < 0.001

 High school or less

2364 ( 43.1)

374 ( 64.4)

888 ( 58.9)

 

 College or above

2146 ( 56.9)

179 ( 35.6)

502 ( 41.1)

 

Smoker, n (%)

   

0.670

 No

3683 ( 81.5)

462 ( 82.9)

1150 ( 80.8)

 

 Yes

827 ( 18.5)

91 ( 17.1)

240 ( 19.2)

 

Drinker, n (%)

   

 < 0.001

 No

2873 ( 69.8)

252 ( 47.1)

617 ( 47.7)

 

 Yes

1637 ( 30.2)

301 ( 52.9)

773 ( 52.3)

 

Estimated glomerular filtration rate,ml/min/1.73 m 2

   

 < 0.001

  < 90

2308 ( 49.91)

476 ( 84.74)

1140 ( 80.11)

 

  ≥ 90

2202 ( 50.09)

77 ( 15.26)

250 ( 19.89)

 

Diabetes, n (%)

   

 < 0.001

 No

3454 ( 82.2)

356 ( 65.3)

897 ( 67.9)

 

 Yes

1056 ( 17.8)

197 ( 34.7)

493 ( 32.1)

 

Hyperlipidemia, n (%)

   

0.900

 No

740 ( 16.2)

85 ( 15.5)

231 ( 16.4)

 

 Yes

3770 ( 83.8)

468 ( 84.5)

1159 ( 83.6)

 

Cardiovascular diseases, n (%)

   

 < 0.001

 No

3888 ( 88.7)

304 ( 54.5)

921 ( 67.4)

 

 Yes

622 ( 11.3)

249 ( 45.5)

469 ( 32.6)

 

Cancer, n (%)

   

 < 0.001

 No

4039 ( 89.3)

449 ( 80.5)

1053 ( 74.3)

 

 Yes

471 ( 10.7)

104 ( 19.5)

337 ( 25.7)

 

Antihypertensive agents, n (%)

   

0.290

 No

3760 ( 83.9)

456 ( 80.7)

1171 ( 82.9)

 

 Yes

750 ( 16.1)

97 ( 19.3)

219 ( 17.1)

 

Antidiabetic agents, n (%)

   

 < 0.001

 No

3811 ( 88.8)

416 ( 76.1)

1064 ( 79.4)

 

 Yes

699 ( 11.2)

137 ( 23.9)

326 ( 20.6)

 

Antihyperlipidemic agents, n (%)

   

 < 0.001

 No

3184 ( 72.5)

308 ( 54.4)

808 ( 59.1)

 

 Yes

1326 ( 27.5)

245 ( 45.6)

582 ( 40.9)

 

Antiplatelet agents, n (%)

   

 < 0.001

 No

4307 ( 96.5)

464 ( 85.5)

1216 ( 88.8)

 

 Yes

203 ( 3.5)

89 ( 14.5)

174 ( 11.2)

 
  1. Data shown as median (interquartile) or frequency (percentage)