Table 3 Univariate and Multivariate analysis of factors associated with RDS

Gestational age (weeks)

0.65

0.57 – 0.74

< 0.001

0.81

0.69 – 0.94

0.007

Apgar score (1 min)

 < 7

3.63

2.12 – 6.21

< 0.001

3.11

1.54 – 6.30

0.002

 ≥ 7

Ref

Apgar score (5 min)

 < 7

7.24

2.30 – 22.76

< 0.001

2.19

0.52 – 9.28

0.287

 ≥ 7

Ref

Mode of delivery

 Caesarean

0.71

0.44 – 1.14

0.153

1.23

0.63 – 2.36

0.562

 NSVD

Ref

Marital status

 Unmarried

0.56

0.31 – 0.99

0.047

0.54

0.5 – 1.19

0.125

 Married

Ref

Level of education

 Primary

2.95

1.11 – 7.85

0.031

2.87

0.87 – 9.54

0.085

 Secondary

1.86

0.71 – 4.86

0.206

2.08

0.64 – 6.79

0.227

 College

1.46

0.34 – 6.22

0.613

1.44

0.26 – 8.15

0.680

 University

1.66

0.54 – 5.07

0.378

2.55

0.64 – 10.22

0.186

 Informal

Ref

Gravida

 Multigravida

1.38

0.85 – 2.23

0.189

0.94

0.49 – 1.78

0.844

 Primigravida

Ref

Prenatal care

 Yes

0.42

0.15 – 1.19

0.104

0.53

0.15 – 1.88

0.322

 No

Ref

ANC

 Yes

1.77

1.11 – 2.83

0.016

1.65

0.86 – 3.15

0.129

 No

Ref

 Birth weight in (gm)

0.997

0.997 – 0.998

< 0.001

0.998

0.997 – 0.999

< 0.001