Table 2 Logistic and Cox’s regression results of the effects of selected characteristics on C-section: Overall cases

Fetal Distress

(No)

1.00

1.00

Yes

1.08

0.67–1.76

1.01^*

0.52–1.51

Previous C-section

(No)

1.00

1.00

Yes

20.18^*

10.46–25.58

9.80^*

7.11–12.36

Multiple Birth

(No)

1.00

1.00

Yes

1.12

0.35–3.58

1.01

0.54–2.78

Pregnancy-Induced Breathing Difficulty

(No)

1.00

1.00

Yes

1.06

0.55–2.03

1.02

0.45–2.35

Prolonged Labour

(No)

1.00

1.00

Yes

0.17^*

0.12–0.23

0.95

0.45–1.89

Mother’s Education

(Primary and below)

1.00

1.00

Secondary

2.19^*

1.55–3.11

1.15

0.57–2.47

Higher

2.68^*

1.58–4.54

1.53

0.78–2.41

Mother’s Age: years

(<20)

1.00

1.00

20–24

1.39

0.92–2.11

1.12^*

0.75–2.31

25–29

2.74^*

1.58–4.72

1.48^*

0.85–2.59

30+

5.07^*

2.31–11.12

2.05^*

1.02–3.52

Age at Marriage: years

(<18)

1.00

1.00

18–22

0.93

0.64–1.35

0.57^*

0.31–1.95

23+

1.06

0.54–2.05

1.01^*

0.54–2.01

Order of Birth

(1)

1.00

1.00

2

0.74^*

0.49–1.12

0.43^*

0.16–1.57

3+

0.33

0.17–0.64

0.28

0.07–1.47

Length of Baby: cm

(<45)

1.00

1.00

45+

1.45^*

1.04–2.02

1.07

0.45–2.07

Weight of Baby: kg

(<2.5)

1.00

1.00

2.5+

0.74

0.54–1.02

0.49

0.17–1.31

Head Circumferences: cm

(<32)

1.000

1.00

32+

1.084

0.76–1.54

1.02

0.57–1.89

Residence

(Rural)

1.00

1.00

Urban

0.854

0.61–1.91

0.51

0.28–1.18

Ever had a Child Aborted

(No)

1.00

1.00

Yes

0.57

0.25–1.33

0.34

0.16–1.51

Duration of Taking Balance Diet

(Often)

1.00

1.00

Once a week

1.45^*

0.95–2.22

1.20

0.54–2.22

Rarely

1.87^*

1.24–2.81

1.45

0.69–2.07

Intercept

−0.25

−2 log likelihood

13765.19

−2 log likelihood

2997.81

Modelchi-square

398.94^*

Cox &Snell R²

0.54

Degrees of freedom

21

Nagelkerke R²

0.57

AIC

3031.82

AIC

13799.19