Table 5 The bi-variable and multivariable Cox-regression analysis of predictors of neonatal mortality at Debre Markos Referral Hospital, Northwest Ethiopia, 2018

  ≤ 3 days

1

1

  > 3 days

0.6 (0.4, 1.00)

0.8 (0.5, 1.3)

  < 20 years

0.8 (0.6, 1.5)

1.1 (0.6, 1.9)

 20–24 years

1

1

  > 24 years

1.3 (0.9, 2.0)

1.4 (0.9, 2.2)

 Employed

1

1

 Unemployed

1.4 (0.9, 2.3)

1.6 (1.01, 2.6)^a

 Primipara

1

1

 2–4 children

0.8 (0.5, 1.2)

0.7 (0.4, 1.3)

  ≥ 5 children

0.7 (0.3, 1.4)

0.6 (0.2, 1.4)

 Yes

1

1

 No

2.6 (1.5, 4.6)

1.9 (1.01, 3.5)^a

 Yes

1

1

 No

2.0 (1.3, 3.2)

1.7 (1.02, 2.7)^a

 Yes

2.5 (1.7, 3.7)

2.0 (1.3, 3.1)^a

 No

1

1

 Yes

1.5 (1.0, 2.1)

1.1 (0.7, 1.7)

 No

1

1

 Not applicable

1.1 (0.6, 1.8)

0.9 (0.5, 1.6)

  < 2 years

1

1

  ≥ 2 years

0.7 (0.4, 1.3)

0.8 (0.5, 1.5)

 Severe

2.7 (1.5, 4.8)

2.1 (1.1, 3.9)^a

 Not severe

1

1