. 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 4.

Infant Characteristics Associated with Prenatal Cocaine Use

	No cocaine use 1^st trimester		Cocaine use 1^st trimester
	N = 154		N= 107
Gestational age (wks)	40.0		39.3^**
Birth weight (gms)	3361.2		3143.3^**
% Premature (< 37 wks)	3.2		10.3^**
% Low birth weight (<2500 gms)	5.2		12.1^**
Age^a (mos)	14.5		14.6
Weight^a (lbs)	23.5		23.3
Height^a (ins)	30.7		30.5
Head circumference^a (ins)	18.6		18.6
BSID Mental Development Index^a	115.3		112.9
BSID Psychomotor Development Index^a	114.7		110.7^*
ICQ Scale: Fussy/Difficult^a	29.2		31.0^**
ICQ Scale: Unadaptable^a	15.7		17.3^**
ICQ Scale: Persistent^a	13.0		13.9^*
	Never^b	Stopped^c	Continued^d
	N = 144	N = 61	N = 28
Gestational age (wks)	40.1	40.1	39.3^**
Birth weight (gms)	3359.9	3345.6	3056.0^**
% Premature (< 37 wks)	3.5	3.3	14.3^**
% Low birth weight (<2500 gms)	5.6	4.9	14.3
Age^a (mos)	14.5	14.5	15.9^**
Weight^a (lbs)	23.5	23.2	24.2
Height^a (ins)	30.7	30.8	30.9
Head circumference^a (ins)	18.6	18.6	18.7
BSID Mental Development Index^a	115.6	114.5	109.6
BSID Psychomotor Development Index^a	115.4	112.9	108.3^*
ICQ Scale: Fussy/Difficult^a	29.1	29.5	33.5^***
ICQ Scale: Unadaptable^a	15.7	16.6	18.3^**
ICQ Scale: Persistent^a	13.0	13.5	14.4^*

Measured at 1-year follow-up phase

Did not use cocaine during any trimester

Used cocaine first trimester only

Used cocaine both first and third trimesters

p < .10

^**

p < .05

^***

p < .01