Table 4.

Determinants of birthweight among iron-deficient women

Variable	Unstandardized coefficients		Standardized coefficients beta	T	p value	95% confidence interval for ß
	ß	SE
(Constant)	0.361	1.405		0.257	0.798	−2.427, 3.149
Supplement type	−0.134	0.071	−0.141	−1.888	0.062	−0.276, 0.007
Maternal weight	0.006	0.003	0.181	2.290	0.024	0.001, 0.012
Diastolic pressure at 36 weeks gestation	−0.005	0.004	−0.115	−1.420	0.159	−0.012, 0.002
Gender of baby	−0.139	0.073	−0.146	−1.920	0.058	−0.283, 0.005
IUGR	−0.978	0.160	−0.473	−6.121	0.001	−1.295, −0.661
Length of gestation	0.085	0.037	0.270	2.294	0.024	0.011, 0.158
Preterm delivery	−0.414	0.162	−0.294	−2.561	0.012	−0.735, −0.093

IUGR=Intrauterine growth restriction; SE=Standard error