Table 3.

Characteristics of Mothers/Caregivers of Participants in Tapping Inhibition Task, by Alcohol-Exposure Grouping

	Alcohol-exposed			Non–alcohol-exposed
Variable	n (%)	Mean	SD	n (%)	Mean	SD	df	t/χ²	p Value
Gestational drug use
Tobacco, severity^a	112	10.6	11.8	59	5.6	8.2	113	−3.9	0.0001
Alcohol, severity^b	113	10.6	18.5	58	—	—
Marijuana, severity^c	107	1.5	4.3	58	0.3	1.2	163	−2.8	0.01
Cocaine, severity^d	112	13.6	28.3	58	11	51.6	168	−3.7	0.001
Amphetamine use	5 (2%)			1 (1%)			1	0.01	1
Barbiturate use	2 (2%)			0 (0%)			1	1	0.54
Benzodiazepine use	9 (11%)			0 (0%)			1	4.5	0.06
Heroin use	1 (1%)			0 (0%)			1	0.6	1
Phencyclidine use	4 (4%)			0 (0%)			1	2.1	0.3
Birth mother characteristics
Race (non-Caucasian)	96 (85%)			50 (83%)			1	0.1	0.78
Married	10 (9%)			10 (17%)			1	2.3	0.14
Lower SES	112 (99%)			58 (97%)			1	1.4	0.28
Age (years)	113	28	5.1	60	26.2	5.5	171	2.2	0.03
Years of education	113	11.7	1.6	60	11.9	1.5	171	0.9	0.39
Parity	113	2.9	1.8	60	2.9	1.6	171	−0.23	0.82
Gravida	113	4.3	2.2	60	4	2.2	171	−0.92	0.36
No. prenatal visits	113	6.4	4.8	60	6.7	4.9	171	0.42	0.67
PPVT_R score	112	74.6	14.1	60	77.2	14.6	170	1.1	0.27
WAIS-R block design	111	7.2	2.2	60	6.9	2.2	169	−0.73	0.46
WAIS-R picture completion	111	6.8	2.3	60	7.2	2.3	169	−1.2	0.23
BSI	113	0.66	0.68	56	0.51	0.52	148	−2.1	0.04
Current caregiver
Current alcohol, severity	99	4.3	14	53	1.3	3.8	148	−2.64	0.01
Current marijuana, severity	98	0.6	4.1	53	0	0	142	−2.4	0.02
Current cocaine, severity	99	8.8	59.4	53	0.07	0.5	97	−1.6	0.12
HOME score	113	40.6	6.4	60	42.6	7.2	116	1.94	0.05
PPVT_R score	106	79.2	15.9	56	78.3	14.8	171	−0.35	0.73
WAIS-R block design	105	7	2.2	55	7.3	2.3	160	0.73	0.47
WAIS-R picture completion	105	7.1	2.4	55	6.7	2.3	158	1	0.32
BSI	96	0.46	0.53	53	0.36	0.44	147	−1.1	0.26

WAIS, Wechsler Adult Intelligence Scale, Revised.

Mean number of cigarettes/day.

Mean number of drinks/day × number days/week.

Mean number of joints/day × number days/week.

Mean number of “rocks”/day × number days/week.