Role of relaxin in diastasis of the pubic symphysis peripartum

Table 5 Multivariate linear regression of the degree of diastasis

	Unstandardized coefficient		Standardization coefficient	t	P value	Collinear statistics
	B	Standard error	Beta			Tolerance	Variance inflation factor
Variables	-8.200	29.024		-0.283	0.825
Gestational age (wk)	0.653	0.695	0.477	0.939	0.520	0.361	2.772
Age at delivery (yr)	-0.137	0.111	-0.562	-1.238	0.433	0.451	2.215
Pre-pregnancy weight	-0.077	0.103	-0.601	-0.744	0.593	0.143	7.008
Baby weight (kg)	0.000	0.002	-0.136	-0.170	0.893	0.146	6.859
First stage of labor (min)	-0.001	0.006	-0.150	-0.200	0.874	0.167	6.002
Second stage of labor (min)	0.000	0.010	0.008	0.020	0.987	0.560	1.786
Relaxin content (µg/mL)	0.013	0.014	0.494	0.928	0.524	0.327	3.056
Weight gain during pregnancy	0.366	0.175	-0.938	-2.098	0.283	0.465	2.151