Table 5 Multivariable analysis for predictors of neonatal mortality among neonates admitted to the NICU of public hospitals in eastern Ethiopia, 2018 [n = 489]

 21–30 years

51

228

1

  < 20 years

29

80

1.62(0.96, 2.73)

1.50(0.67, 3.34)

.335

 31–40 years

17

78

0.97(0.53, 1.78)

1.85(0.76, 4.48)

.212

  > 40 years

1

5

0.89(0.10, 7.82)

2.40(0.23, 24.89)

.532

 Married

88

364

1

1

 Single

9

19

1.96(0.86, 4.48)

1.33(0.35, 5.03)

.766

 Others

1

8

0.52(0.06, 4.18)

1.62(0.15, 16.94)

.543

 Multi-Para

50

233

1

1

 Primi-para

48

158

1.42(0.91, 2.21)

1.94(0.93, 4.05)

.680

 Inborn (in this hospital)

253

127

1

1

 Other facility

46

41

0.56(0.29, 1.09)

0.50(0.17, 1.51)

.275

 Home

16

6

0.35(0.08, 1.53)

0.26(0.03, 2.40)

.205

 4–12 hrs.

177

111

1

1

 less than 4 hrs.

27

16

0.80(0.35, 1.81)

0.45(0.12, 1.63)

.225

 More than 12 hrs.

111

47

0.69(0.41, 1.14)

0.62(0.30, 1.25)

.184

 Spontaneous vaginal

221

117

1

1

 Cesarean section

79

43

1.23(0.73, 2.05)

1.00(0.47, 2.10)

.460

 Instrumental

15

14

2.78(1.24, 6.17)

1.34(0.40, 4.44)

.944

 4–7 days

172

57

1

1

  < 3 days

68

92

4.03(2.43, 6.67)

3.63(1.82, 7.22) ^*

.000

  > 7 days

75

25

0.77(0.35, 1.63)

0.61(0.23, 1.58)

.310

 Term (37-42 weeks)

227

92

1

1

 Preterm (< 37 weeks)

82

78

3.56(2.23,5.66)

2.78(1.17, 6.56) ^*

.020

 Post term (> 42 weeks)

6

4

4.65(1.25,17.19)

4.54(0.83, 24.70)

.051

 2500–3999 g

211

86

1

1

 Less than 2499 g

77

86

3.46(2.17, 5.49)

2.39(1.04, 5.49) ^*

.040

  ≥ 4000 g

27

2

0.23(0.03, 1.73)

0.67(0.06, 6.80)

.858

 7–10

188

63

1

1

  ≤ 6

68

65

5.62(3.32, 9.47)

5.18(2.51, 10.66) ^*

.000

 Unrecorded

59

46

1.33(0.67, 2.60)

2.50(0.82, 7.54)

.092

 36.5–37.5c⁰

64

28

1

1

  < 36.5c⁰

218

132

3.37(1.56, 7.23)

2.75(0.97, 7.78)

.057

  > 37.5c⁰

33

14

1.25(0.38, 4.05)

6.68(1.35, 33.13) ^*

.020

 EBF

237

64

1

1

 NPO

53

99

16.71(9.32, 29.94)

12.16(5.98, 24.70) ^*

.000

 FF

25

11

2.69(0.93, 7.80)

1.71(0.47, 6.15)

.077