Table 3 Caesarean section in “standard primiparae” by type of labour

Overall

7834

18.2

42,950

Women who experienced labour

5675

13.9

40,791

Type of labour

<0.001

 Spontaneous (all)

4565

12.5

36,609

1.00

ref

  (not augmented)

(1507)

(7.5)

(20,117)

  (augmented)

(3058)

(18.5)

(16,492)

 Induced

1110

26.5

4182

2.54

(2.4, 2.7)