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

Published in final edited form as: Neurotoxicol Teratol. 2010 Sep 22;33(2):240–243. doi: 10.1016/j.ntt.2010.09.003

Table 1.

Maternal characteristics by medication condition

	Methadone	Buprenorphine
	(n = 11)	(n = 6)
	M (SD) [range]	M (SD) [range]
Age (years)	31.8(6.1) [23–40]	33.8(5.1) [25–40]
Race
Caucasian	5 (45.5%)	3 (50%)
African American	6 (54.5%)	3 (50%)
Parity	2.6 (1.6)	2.8 (1.6)
GA at enrollment into parent study (weeks)	18.9 (5.4)	19.0 (5.0)
Smokers	10 (90.9%)	6 (100%)
Mean number cigarettes smoked daily	14.5 (4.9)	10.3 (4.8)
Urine toxicology screens positive^† for substances (%)	23.4 (20.2)	37.0 (27.7)

^†

Urine toxicology screens were performed thrice weekly and screened for PCP, barbiturates, opiates (including oxycodone and excluding methadone and buprenorphine), cocaine, benzodiazepines, marijuana, amphetamine and methamphetamines