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Table 1 Participants in the Bogalusa Heart Study linked to birth certificates (N = 3095)

From: Pre-pregnancy cardiovascular risk factors and racial disparities in birth outcomes: the Bogalusa Heart Study

 

Overall study population

Black (n = 1139)

White (n = 1956)

p-value

N

%

N

%

N

%

parity

      

< 0.01

 1

2116

68.4

760

65.5

1384

70.3

 

 2

630

20.4

229

19.7

410

20.8

 

 3

243

7.9

106

9.1

137

7.0

 

 4+

104

3.3

66

5.7

38

1.9

 

education

      

< 0.01

  <  high school

780

25.2

343

29.6

448

22.7

 

 high school graduate

1190

38.5

474

40.9

732

37.2

 

 some college

575

18.6

219

18.9

361

18.3

 

 college & beyond

547

17.7

124

10.7

429

21.8

 

married

      

< 0.01

 yes

1638

53.0

256

22.1

1398

71.0

 

 no

1452

47.0

903

77.9

571

29.0

 

smoking

      

< 0.01

 yes

376

12.8

380

12.8

328

17.4

 

 no

2566

87.2

2595

87.2

1559

82.6

 
 

N

mean + SD

N

mean + SD

N

mean + SD

 

age at screening

3095

13.0 + 6.7

1139

12.5 + 6.4

1956

13.3 + 6.8

< 0.01

time from screening (yrs)

3095

10.8 + 5.8

1139

10.1 + 5.3

1956

11.1 + 6.0

< 0.01

maternal age

3095

24.2 + 5.4

1139

23.0 + 5.4

1956

24.9 + 5.3

< 0.01

pregnancy weight gain (lbs)

2645

30.8 + 13.6

930

29.0 + 13.8

1715

31.7 + 13.4

< 0.01

BMI

3089

20.1 + 5.5

1136

20.4 + 5.9

1953

20.0 + 5.2

0.08

systolic blood pressure

3090

102.0 + 10.5

1136

102.4 + 11.1

1954

101.8 + 10.1

0.11

diastolic blood pressure

3090

63.1 + 9.7

1136

62.7 + 10.5

1954

63.3 + 9.2

0.13

fasted only:

 cholesterol

2691

170.4 + 30.9

976

173.2 + 31.7

1715

168.7 + 30.3

< 0.01

 triglycerides

2691

77.2 + 45.9

976

66.1 + 29.9

1715

83.5 + 51.8

< 0.01

 insulin

2098

11.2 + 8.4

777

12.4 + 10.6

1321

10.5 + 6.6

< 0.01

 glucose

2447

78.8 + 16.0

888

77.5 + 17.7

1559

79.4 + 14.9

0.01

 LDL-C

2688

103.0 + 28.1

974

103.9 + 28.5

1714

102.4 + 27.9

0.21

 HDL-C

2690

56.7 + 16.4

975

60.4 + 16.0

1715

54.5 + 16.3

< 0.01

 

N

%

N

%

N

%

 

Low birthweight (full-term only)

91

3.3

52

5.2

39

2.2

< 0.01

Preterm birth

297

9.6

131

11.5

166

8.5

< 0.01

Small for gestational age

353

11.4

182

16.0

171

8.7

< 0.01

Large for gestational age

298

9.6

64

5.6

234

12.0

< 0.01