Table 2

Clinical characteristics of groups

	Group; mean ± SD^*

Characteristic	CSA+, n = 22	CSA−, n = 82	Statistic^*	p value
ASI-6
Drugs	60.7 ± 8.8	63.2 ± 10.1	U = 790	0.36
Family/child	67.5 ± 8.3	66.9 ± 8.9	U = 861	0.74
Alcohol	50.8 ± 9.7	50.4 ± 9.7	U = 871	0.80
Psychiatric diagnosis	59.0 ± 6.0	56.4 ± 5.3	U = 618	0.017
Medical	47.8 ± 7.7	47.0 ± 6.7	U = 807	0.45
Legal	58.7 ± 9.5	62.4 ± 8.1	U = 677	0.07
Employment	44.0 ± 6.9	44.0 ± 8.2	U = 899	0.98
Family social support	46.9 ± 12.4	45.6 ± 11.8	U = 834	0.58
Family social problem	56.4 ± 9.0	56.4 ± 9.2	U = 898	0.97
Prior hospital admissions in last 6 mo owing to relapse, no. (%)	10 (45.5)	15 (19.5)^†	χ^2₁ = 6.11	0.013
Age at first crack cocaine use, yr	19.2 ± 6.4	18.5 ± 5.2	U = 657	0.92
Duration, yr, of crack use ≥ 3 times/wk	5.5 ± 5.3	4.6 ± 3.4	U = 703	0.99
Days of consumption in last mo	15.6 ± 13.5	16.2 ± 13.2	U = 614	0.79
Withdrawal prior to admission, d	3.9 ± 7.3	2.3 ± 3.8	U = 750	0.85
Alcohol use > 50 times, no. (%)	11 (50)	37 (45.1)	χ^2₁ = 0.39	0.53
Powder cocaine use > 50 times, no. (%)	10 (45.4)	58 (70.7)	χ^2₁ = 3.44	0.06
Marijuana use > 50 times, no. (%)	22 (100)	82 (100)	—	—
Beck Depression Inventory
4 d	33.5 ± 15.5	29.0 ± 14.6	t₁₀₂ = −1.28	0.20
11 d	24.2 ± 14.2	20.7 ± 13.5	t₁₀₂ = −1.07	0.28
18 d	18.7 ± 12.3	17.4 ± 11.3	t₁₀₂ = −1.28	0.63
Cocaine Selective Severity Assessment
4 d	60.9 ± 17.6	55.6 ± 17.4	t₁₀₁ = −1.22	0.22
11 d	53.4 ± 30.0	47.6 ± 18.5	t₁₀₁ = −1.11	0.26
18 d	53.0 ± 20.3	45.3 ± 16.4	t₁₀₀ = −1.81	0.07

ASI-6 = Addiction Severity Index; CSA+ = crack cocaine dependence with a history of childhood sexual abuse; CSA− = crack cocaine dependence without a history of childhood sexual abuse; SD = standard deviation.
↵* Wilcoxon Mann Whitney test unless otherwise indicated.
↵† n = 77.