Table 4.

Standardized beta weights and t test results for predictors of birth weight percentile

	Beta	SE	t	p value
Birth weight percentile
Constant		2.34	24.39	<0.000
Mother’s confirmed HIV status	0.057	3.14	1.47	0.143
SES	0.046	0.59	1.16	0.247
BDI score	−0.085	0.13	−2.18	0.030
Smoker (yes, no)	−0.184	2.68	−4.71	<0.000
3-month alcohol use severity	−0.103	0.17	−2.63	0.009

SES socioeconomic status, BDI Beck Depression Inventory