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Table 2 Multiple logistic regression analysis results examining perinatal care quality measures according to several explanatory variables

From: Quality in perinatal care: applying performance measurement using joint commission on accreditation of healthcare organizations indicators in Italy

Variable

OR

SE

95% CI

p

OR

SE

95% CI

p

 

Model 1. Cesarean section indicator

Model 2. Exclusive breast milk feeding indicator

 

Log likelihood = − 325.29, χ2 = 69.07 (10 df), p < 0.00001, No. of obs = 622

Log likelihood = −498.52, χ2 = 79.69 (10 df), p < 0.00001, No. of obs = 1103

Maternal age (years)

 18–33

1.00a

   

1.00a

   

 34–55

1.42

0.30

0.93–2.17

0.100

0.60

0.10

0.43–0.83

0.002

Gestational age at delivery (weeks)

 37–38

1.00a

   

1.00a

   

 39–41

0.59

0.13

0.38–0.91

0.019

1.60

0.29

1.12–2.29

0.010

Maternal nationality

 Italian

1.00a

   

NAb

 Other

0.50

0.21

0.22–1.13

0.097

NAb

Prenatal testsc

 No

NAb

1.00a

   

 Yes

NAb

1.87

0.33

1.32–2.65

< 0.001

IUGRd

 No

1.00a

   

1.00a

   

 Yes

2.00

0.85

0.87–4.63

0.103

0.46

0.24

0.16–1.29

0.140

Tobacco use during pregnancy

 No

1.00a

   

1.00a

   

 Yes

2.42

0.86

1.20–4.87

0.013

0.61

0.20

0.31–1.18

0.141

Pregnancy weight gain (Kg)

  < 10

NAb

1.00a

   

  > 10

NAb

1.26

0.20

0.92 - 1.74

0.152

Maternal comorbiditiese

 No

1.00a

   

NAb

 Yes

1.51

0.36

0.94–2.43

0.086

NAb

Previous cesarean sections

 No

NAb

1.00a

   

 Yes

NAb

1.83

0.49

1.08–3.11

0.025

Rupture of membranesf

 SROM

1.47

0.36

0.90–2.38

0.123

1.00a

   

 PROM

1.00a

   

Backward elimination

 AROM

2.01

0.46

1.28–3.15

0.002

0.70

0.12

0.51–0.97

0.035

Amniotic fluid

 Clear

1.00a

   

NAb

 Meconium-stained

3.08

0.77

1.89–5.01

< 0.001

NAb

Amniotic fluid volume

 Normal

NAb

1.00a

   

 Oligohydramnios / polyhydramnios

NAb

0.56

0.22

0.26–1.19

0.134

Birth weight (g)

  < 2500

Backward elimination

0.26

0.10

0.12–0.56

0.001

 2500–4000

1.00a

   

1.00a

   

  > 4000

6.36

3.45

2.20–18.40

0.001

2.57

1.63

0.74–8.89

0.135

Type of delivery

 Vaginal

NAb

1.00a

   

 Cesarean section

NAb

0.39

0.78

0.26 - 0.57

< 0.001

  1. aReference category
  2. bNot Applicable
  3. cAmniocentesis, funicolocentesis, fetoscopy, Chorionic Villus Sampling (CVS), Non Invasive Prenatal Testing (NIPT)
  4. dIntrauterin Growth Restriction
  5. eHypertension and diabetes
  6. fSROM spontaneous rupture of membranes, PROM premature rupture of membranes, AROM artificial rupture of membranes (amniorrhexis)