Table 7.

Final regression equations on live births

Linear Regression on Number of Live Births
		B		S.E.		t-value	R2change	F change
Race (African-American)		0.66		0.14		4.64***	0.35	66.22***
Age		0.11		0.01		10.25***
SES		−0.02		0.01		−4.23***
BPD severity scores		0.03		0.01		2.50**	0.00	1.92
SUD		0.40		0.23		1.74t	0.00	0.31
BPD×SUD		−0.19		0.01		−2.04*	0.01	4.18*
Logistic Regression on Multiple Live Births
	Beta		S.E.		Wald		Odds Ratio (95% Confidence Interval)
Race (African-American)	0.82		0.30		7.31**		2.26 (1.25–4.08)
Age	0.19		0.02		63.81***		1.21 (1.15–1.27)
SES	−0.06		0.01		17.16***		0.94 (0.92–0.97)
BPD severity scores	0.01		0.02		0.50		1.01 (1.15–1.27)
SUD	−0.04		0.17		0.05		0.96 (0.69–1.35)

Note,

^tp < .10,

^*p , >05,

^**p < .01,

^***p < .001

Age = age at enrollment

BPD = Borderline personality disorder

SUD = Substance use disorder