Table 2 Univariate and multivariate analyses of maternal and obstetrical characteristics and conditions of newborns with 5 minute Apgar Score < 7

 Number of deliveries

273

0.80

0.65, 0.97

0.020^#

207

1.12

0.88, 1.42

0.354

 Gestation time in weeks

273

< 0.0001^#

207

0.096

   < 28

–

–

–

–

  28–31

3.64

1.48, 8.91

3.57

1.10, 11.58^a

  32–36

3.29

1.56, 6.92

1.83

0.67, 5.01

  37–41

1.63

0.71, 3.71

0.56

0.03, 9.94

   ≥ 42

0.45

0.04, 5.40

0.95

0.29, 3.06

 Prenatal care

271

0.56

0.28, 1.14

0.11^#

207

1.26

0.42, 3.79

0.670

 Number of prenatal care

250

0.93

0.82, 1.05

0.22^#

207

0.99

0.83, 1.19

0.960

 Anemia

261

0.32

0.07, 0.95

0.04^#

207

2.57

0.64, 10.29

0.182

 Bleeding

261

0.49

0.19, 1.10

0.08^#

207

2.70

0.91, 8.02

0.074

 Preeclampsia

261

0.37

0.09, 1.14

0.08^#

207

1.44

0.33, 6.29

0.630

 Type of delivery (Vaginal)

277

3.64

2.12, 6.36

< 0.001^#

207

3.25

1.60, 6.62^a

0.001*

 Birth Injury

256

2.57

1.43, 4.59

0.002^#

207

0.39

0.19, 0.83^a

0.014*