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Table 2 Adjusted odds ratios of the clinical characteristics for preeclampsia and postpartum hemorrhage in live birth cases in the Korean National Health Insurance cohort database, from 2002 to 2013 (aggregated data)

From: The income-based disparities in preeclampsia and postpartum hemorrhage: a study of the Korean National Health Insurance cohort data from 2002 to 2013

 

Odds ratio (95 % confidence intervals)a

Preeclampsia

Postpartum hemorrhage

Age group

15–19 versus 25–29

0.96 (0.24, 3.91)

2.99 (1.78, 5.01)

20–24 versus 25–29

0.86 (0.56, 1.33)

1.09 (0.86, 1.38)

30–34 versus 25–29

1.05 (0.86, 1.29)

1.11 (0.99, 1.25)

35–39 versus 25–29

1.43 (1.11, 1.85)

1.34 (1.15, 1.57)

40–44 versus 25–29

1.90 (1.20, 3.00)

1.88 (1.43, 2.47)

Worker

0.99 (0.81, 1.21)

0.87 (0.77, 0.99)

Income groups

Lower versus Upper

1.26 (1.01, 1.57)

1.21 (1.06, 1.39)

Middle versus Upper

1.08 (0.88, 1.32)

1.15 (1.02, 1.30)

Nulliparity

0.77 (0.65, 0.92)

0.85 (0.76, 0.94)

Multiple gestation

6.17 (4.44, 8.59)

2.87 (2.23, 3.70)

Diabetes

3.83 (2.69, 5.43)

1.97 (1.49, 2.60)

Cesarean delivery

–

2.05 (1.82, 2.30)

Induction of labor

–

1.20 (1.03, 1.41)

  1. aWith adjustment for every other variable in the model