Table 3 Binary and Multivariable logistic regression results of factors associated with perinatal outcomes of severe preeclampsia and eclampsia among women admitted in Amhara region referral hospitals, North West Ethiopia from April 1 to September 30, 2018 (n = 456)

Educational status

 Unable to read and write

7.9 (4.29, 14.49)**

6.6 (1.32, 10.03)*

 Read and write

6.0 (2.60, 13.96)**

4.6 (1.18, 12.01)*

 Elementary school

6.3 (2.99, 13.28)**

4.3 (1.33, 13.63)*

 Secondary school

3.2 (1.56, 6.61)

2.8 (0.89, 8.79)

 College and above

1

1

Monthly family income

 Income < 72.8 USA dollar

8.4 (4.922, 14.20)

2.1 (0.84, 5.05)

 Income from 72.8 to 125.2 USA dollar

5.7 (3.10, 10.49)

2.4 (0.86, 6.45)

 Income > 125.2 USA dollar

1

1

Residence

 Rural

4.8 (3.25, 7.21)

1.3 (0.61, 2.70)

 Urban

1

1

Parity

 Nully para

10.5 (5.27,21.07)**

8.3 (6.27, 27.02)*

 Premipara

2.2 (1.40, 3.36) ^*

5.2 (4.15, 13.97)*

 Multi para

1

1

Gestational age in weeks

 GA 20–27

4.9 (1.38, 17.39)*

9.6 (2.00, 18.65)*

 GA 28–36

4.2 (1.69, 10.40)*

5.4 (1.98, 14.73)*

 GA 37–40

0.1 (0.03, 0.12)**

0.2 (0.08, 0.36)**

 GA > 41

1

1

Booking status

 Unbooked

8.27 (5.16, 13.25)

1.84 (0.86, 3.93)

 Booked

1

1

Time of drug given

 Late

9.1 (5.81, 14.29)**

3.8 (1.81, 8.07)**

 Early

1

1