. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: J Obstet Gynecol Neonatal Nurs. 2012 Feb 29;41(2):180–190. doi: 10.1111/j.1552-6909.2011.01330.x

Table 3.

Regression of Methadone Group Predicting Length of Stay

LOS	Unstandardized Coefficients		Standardized Coefficients	t	p
LOS	B	Std Error	Beta
(Constant)	15.529	3.912		3.969	.00
Maternal Methadone Dose	.038	.016	.209	2.324	.02
Cigarette Smoking (Yes/No)	1.743	1.239	.135	1.407	.16
Marijuana (Yes/No)	1.255	2.349	.049	.534	.59
Benzodiazepines (Yes/No)	8.604	3.091	.256	2.784	.00
SSRIs (Yes/No)	3.247	3.713	.078	.875	.38
Alcohol Use (Yes/No)	−.528	4.201	−.012	−.126	.90
Opioid Use (Yes/No)	1.704	2.638	.058	.646	.52
Infant Feeding Method	−3.323	1.687	−.176	−1.970	.05

Note. F (8, 101) = 3.93, p = .00 R² = .24; LOS = length of stay; SSRIs = selective serotonin reuptake inhibitors.