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Table 5 Multiple Logistic Regression Analysis of predicting factors associated with PPH (N = 1833)

From: Maternal and health service predictors of postpartum hemorrhage across 14 district, general and regional hospitals in Thailand

Factors

OR

95% CI

P-value

*Anemia (REF = No)

 Yes

1.29

0.64

−2.58

0.481

Past history of PPH (REF = No)

 Yes

10.97

2.27

−53.05

0.003

*Perineum lacerations (REF = Intact perineum)

 First degree

6.07

2.60

−14.15

0.000

 Second degree

5.65

2.63

−12.11

0.000

 Third and fourth degree

29.59

8.65

− 101.20

0.000

*Retained placenta (REF = No)

 Yes

71.47

27.37

− 186.65

0.000

*Poor uterine contractions (REF=No)

 Yes

260.11

111.15

−608.70

0.000

Baby birth weight (REF = 2500–3500 g)

  < 2500 g)

0.79

0.30

−2.73

0.635ns

  > 3500 g

1.98

1.19

−3.30

0.008

Hospital levels (REF = Regional hospital)

 District hospital

14.06

3.95

−50.04

0.000

 General hospital

7.27

2.27

−23.27

0.001

Adequate nurse midwife to patient ratio (REF = Yes)

 No

2.30

1.08

−4.92

0.031

Having nurse midwife working experience of 6 to 10 years (REF=Yes)

 No

2.35

1.41

−3.92

0.001

Adequate equipment and supply for EmOC (REF = Yes)

 No

6.47

1.93

−21.63

0.002

Constant

0.00

0.00

−0.00

0.000

-log likelihood

− 369.65

AIC

769.31

BIC

852.01

  1. Remarks: * = Adjusted by the confounder variables including anemia, perineum lacerations, retained placenta, and poor uterine contractions; EmOC Emergency Care; ns No statistical significance; REF Reference; OR Odds ratio; CI confidence interval; statistical significant at level 0.05.