Table 4 Log odds ratio for factors associated with a non-medically indicated caesarean section

Intercept

0.800 ***

(0.461–1.139)

Age category (years)

 15–19

-2.172 ***

(-2.503 – -1.841)

 20–24

-2.533 ***

(-2.784 – -2.281)

 25–29

-2.500 ***

(-2.742 – -2.259)

 30–34

-2.413 ***

(-2.653 – -2.173)

 35–39

-2.020 ***

(-2.260 – -1.779)

 40–44

-1.373 ***

(-1.620 – -1.125)

Insurance status

 Mandatory

-0.713 ***

(-0.791 – -0.636)

 Semi-private

-0.360 ***

(-0.450 – -0.270)

Urbanity level

 Urban

0.152 ***

(0.093 – 0.210)

 Suburban

0.176 ***

(0.105 – 0.248)

Number of midwives per 1,000 births

-0.019 ***

(-0.023 – -0.016)

Number of nursing staff per hospital

0.243 ***

(0.195 – 0.291)

Income per capita (per CHF 10,000)

0.168 ***

(0.133 – 0.203)

AUC

0.625