Table 4.

Prevalence of Involuntary Hospitalizations and Arrests for Drug Abusers, Hazardous Alcohol Users, and Concurrent Drug Abusers and Hazardous Alcohol Users Compared With Those Who Do Not Meet Criteria for Relevant Group at Baseline and 12 Months

	Involuntary Hospitalizations at Baseline					Involuntary Hospitalizations at 12 mo
Substance Use/Abuse vs Nonabuse	Yes		No		Fisher Exact Test (P Value)	Yes		No		Fisher Exact Test (P Value)
	N	%	N	%		N	%	N	%
Drug abuser	30	57.7	22	42.3	P = .003	3	13.6	20	90.9	P = .172
Non–drug abuser	31	32.3	65	67.7		6	5.5	107	96.4
Hazardous alcohol user	21	56.7	16	43.2	P = .033	1	7.7	12	92.3	P = .525
Nonhazardous alcohol user	40	35.7	72	64.3		6	5.0	113	95.0
Concurrent drug abuser and hazardous alcohol user	17	74.0	6	26.0	P = .001	0	0	3	100	P = 1.000
Nonconcurrent	44	35.0	82	65.0		8	6.1	124	93.9
Total FEP sample	61	40.9	88	59.1		13	8.6	138	91.4
	Arrests at Baseline					Arrests at 12 mo

Substance Use/abuse vs nonabuse	Yes		No		Fisher Exact Test (P Value)	Yes		No		Fisher Exact Test (P Value)
	N	%	N	%		N	%	N	%
Drug abuser	10	19.6	41	80.4	P = .009	2	9.1	20	90.1	P = .262
Non–drug abuser	5	5.1	93	94.9		4	3.6	106	96.4
Hazardous alcohol user	6	15.8	32	84.2	P = .210	0	0	13	100	P = 1.000
Nonhazardous alcohol user	9	8.0	103	92		4	3.4	115	96.6
Concurrent drug abuser and hazardous alcohol user	6	26.1	17	73.9	P = .013	0	0	3	100	P = 1.000
Nonconcurrent	9	7.1	118	92.9		5	3.8	127	96.2
Total FEP sample	15	10.0	135	90		7	4.7	142	95.3

Note: FEP, first-episode psychosis.