Table 5. Health Service Utilization and Perceived Health by Demographics and Substance Diagnosis.

	ER Visits*				Current Poor Health†
	N	M	SD	p value	N	%	p value
Sex				.001			.503
Male	130	5.30	8.34		130	10%
Female	179	3.21	6.18		179	8%
Alcohol				.006			.530
Absent	170	3.18	5.15		15	9%
Present	156	5.17	8.89		17	10%
Tobacco				.242			.058
Absent	248	3.70	6.19		20	8%
Present	78	5.50	9.81		12	15%
Marijuana				.059			.020
Absent	279	3.69	5.69		23	8%
Present	47	6.74	12.93		9	19%
Non-Marijuana Drugs				.066			.001
Absent	284	3.83	6.72		22	8%
Present	42	6.14	9.97		10	24%

^*Mann-Whitney U tests of association.

^†Chi-square analysis.

^‡ER = Emergency Room. n = sample size. M = mean. SD = standard deviation.