Table 3 Incidence rate of preeclampsia (2001–2006) by socioeconomic indicators

Maternal Education^a

College or higher

35616

3.11 %

1.46 %

0.47

High School or lower

25389

3.17 %

1.24 %

0.39

Unknown

1195

2.76 %

2.01 %

0.73

p-value: College or higher vs. High school or lower

0.65

0.02*

0.01*

Race/ethnicity^a

Asian

8489

2.67 %

1.06 %

0.40

Black

5576

4.12 %

1.90 %

0.46

Hispanic

22995

3.20 %

1.25 %

0.39

Non-Hispanic White

23400

2.95 %

1.48 %

0.50

Other

1187

4.13 %

1.52 %

0.37

Unknown

553

2.35 %

1.81 %

0.77

p -value: Asian-Black

0.00*

0.00*

0.20

p -value: Asian-Hispanic

0.01*

0.15

0.48

p -value: Black-Hispanic

0.00*

0.00*

0.15

p -value: Hispanic- NH White

0.12

0.03*

0.01*

Insurance^a

Private

41024

3.02 %

1.46 %

0.48

Public

18643

3.32 %

1.30 %

0.39

Other

2527

3.44 %

0.79 %

0.23

Unknown

6

0.00 %

0.00 %

N.A.

p-value: Private vs. Public

0.05

0.12

0.02*