Table 4 Model 3 Ordinal regression preterm delivery

Deprived neighborhood

1.18 (0.92–1.48)

0.18

1.19 (0.91–1.55)

0.19

Age

Younger than 25 years

Ref

25–30 years

0.94 (0.71–1.27)

0.69

30–35 years

0.94 (0.72–1.26)

0.68

35 years or older

0.94 (0.70–1.29)

0.72

Healthcare costs 2017

< €123

Ref

€123– €254

1.20 (0.90–1.63)

0.23

€254– €612

1.50 (1.13–2.01)

0.006*

€612– €1742

1.47 (1.11–1.97)

0.009*

€1742– €4911

1.50 (1.13–2.00)

0.006*

> €4911

1.89 (1.44–2.51)

< 0.001*

Population density

Very strongly urbanized

1.27 (1.00–1.62)

0.05

Strongly urbanized

1.11 (0.87–1.42)

0.41

Moderately urbanized

Ref

Hardly urbanized

1.03 (0.78–1.35)

0.82

Not urbanized

1.30 (0.99–1.71)

0.05