. Author manuscript; available in PMC: 2009 Mar 1.

Published in final edited form as: Neurotoxicol Teratol. 2007 Dec 28;30(2):96–106. doi: 10.1016/j.ntt.2007.12.006

Table 3.

Prenatal Maternal Characteristics Associated with Prenatal Cocaine Use

	No cocaine use 1^st trimester		Cocaine use 1^st trimester
First Trimester Characteristics	N = 154		N= 107
Mean Age (yrs)	24.0		26.3^***
Mean Education (yrs)	12.1		11.9
% Caucasian	59.7		44.9^*
% Married	27.3		13.1^**
% Work/Attend School	46.8		33.6^*
% Income < $500/month	40.5		60.4^**
% Drink Alcohol	56.5		89.7^***
Mean # Drinks/Day	.36		2.0^***
% Smoke Cigarettes	44.2		74.8^***
Mean # Cigarettes/Day	6.2		10.6^***
% Use Marijuana	16.9		55.1^***
Mean # Joints/Day	.07		.49^***
% Use Other Drugs (excluding cocaine)	3.2		11.2^**
	Never Used^a	Stopped^b	Continued^c
Third Trimester Characteristics	N = 144	N = 61	N = 28
Mean Education (yrs)	12.1	12.0	11.9
% Caucasian	61.8	62.3	10.7^***
% Married	31.2	16.4	10.7^**
% Work/Attend School	16.0	11.5	7.1
% Income < $500/month	43.6	60.7	78.6^***
% Drink Alcohol	31.9	52.5	60.7^***
Mean # Drinks/Day	.05	.13	1.2^***
% Smoke Cigarettes	37.3	67.2	77.8^***
Mean # Cigarettes/Day	5.6	9.0	8.6^*
% Use Marijuana	6.2	16.4	32.1^***
Mean # Joints/Day	.02	.11	.07^*

Did not use cocaine during any trimester

Used cocaine first trimester only

Used cocaine both first and third trimesters

p < .05

^**

p < .01

^***

p < .001