Table 4.

Binomial logistic regression predicting likelihood of social vulnerability based on parity and age or maternal age at first birth

	β	SE	Wald	df	p	Odds ratio	95% CI
All young women (n = 1584)
Age	0.002	0.031	0.003	1	0.954	1.00	0.94–1.06
Primiparous	0.868	0.136	40.59	1	< 0.001	2.38	1.82–3.11
Multiparous	1.619	0.218	55.42	1	< 0.001	5.05	3.30–7.73
Constant	− 1.707	0.646	6.98	1	0.008	0.18
Primi- and multiparous young women only (n = 776)
Maternal age	− 0.055	0.035	2.44	1	0.119	0.95	0.88–1.01
Multiparous	0.669	0.202	11.02	1	0.001	1.95	1.32–2.90
Constant	0.266	0.687	0.15	1	0.698	1.31