. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Matern Child Health J. 2011 Jan;15(1):19–28. doi: 10.1007/s10995-009-0557-z

Table 3.

Demographic and Risk Characteristics at Baseline by Low Birth Weight or Very Low Birth Weight

Characteristic	LBW (n=97)	Not LBW (n=720)	VLBW (n=13)	Not VLBW (n=804)
Birth weight (mean ± SD)	2057 ± 418	3303 ± 440	1239 ± 279	3186 ± 545
Maternal age (mean ± SD)	25.4 ± 6.2	24.5 ± 5.3	26.8 ± 5.5	24.6 ± 5.5
Education ≥ High school	74%	71%	62%	72%
Married/living with partner	28%	25%	31%	25%
Medicaid recipient	79%	79%	77%	79%
PNC initiation (weeks) (mean ± SD)	13.0 ± 6.7	13.2 ± 6.2	13.0 ± 5.7	13.1 ± 6.3
Number of PNC visits (mean ± SD)	7.5 ± 3.3	9.3 ± 3.3	5.3 ± 2.0	9.1 ± 3.4
Alcohol use during pregnancy	24%	21%	23%	22%
Illicit drug use during pregnancy	20%^*	11%	15%	12%
Active smoking	24%	17%	15%	18%
ETSE	72%	73%	54%	73%
Depression	56%^**	42%	69%	44%
IPV	41%^***	31%	54%	32%

p=0.021,

^**

p=0.013,

^***

p=0.039

LBW: low birth weight, VLBW: very low birth weight, PTB: preterm births, VPTB: very preterm birth, PNC: prenatal care, ETSE: environmental tobacco smoke exposure, IPV: intimate partner violence.