Table 3 Results of the generalized linear mixed-effects models for the mode of birth (model 1) and the composite outcome (model 2^Ϯ)

Study group

0.86 (0.59–1.26)

0.449

0.59 (0.27–1.26)

0.171

Nulliparous

10.82 (6.55–17.89)

< 0.001

1.47 (0.66–3.24)

0.344

≤ 29

1.00 (−)

1.00 (−)

30–34

1.33 (0.84–2.09)

0.220

1.02 (0.42–2.51)

0.960

≥ 35

2.56 (1.56–4.20)

< 0.001

1.05 (0.39–2.79)

0.927

BMI (kg/m²) < 25

1.38 (0.93–2.04)

0.115

0.97 (0.45–2.08)

0.935

Birthweight (100 g)

1.04 (0.99–1.08)

0.090

1.04 (0.96–1.14)

0.326

Cesarean/ instrumental vaginal birth

–

–

1.50 (0.61–3.66)

0.376