Table 3.

Multinomial regressions of injection equipment sharing on lifetime and past year psychiatric disorders, RDS weighted

	Model Chi2		Syringe sharing				Equipment only
	Wald	p	RRRa	95% Conf. Int.		p	RRR	95% Conf. Int.		p
Primary Major Depression - Ever	21.95	0.038	3.01	1.14	7.91	0.026	2.10	0.73	5.99	0.167
Primary Major Depression - Past Year	18.02	0.115	3.32	0.73	15.06	0.121	2.15	0.38	12.28	0.388
Substance-Induced Major Depression - Ever	34.42	0.001	3.78	1.93	7.42	0.000	1.61	0.80	3.27	0.183
Substance-Induced Major Depression - Past Year	44.65	< .001	6.81	3.13	14.81	0.000	3.03	1.34	6.85	0.008
Post-traumatic Stress Disorder - Ever	17.66	0.126	1.68	0.59	4.83	0.335	1.08	0.38	3.07	0.878
Post-traumatic Stress Disorder - Past Year	16.52	0.169	0.91	0.32	2.59	0.867	0.73	0.22	2.35	0.595
Any other anxiety disorder - Ever	18.94	0.090	3.08	1.03	9.22	0.044	2.31	0.79	6.80	0.128
Any other anxiety disorder - Past Year	17.95	0.117	3.23	0.86	12.07	0.082	2.24	0.63	7.98	0.215
Childhood Conduct Disorder	16.58	0.166	1.70	0.66	4.38	0.276	1.26	0.50	3.17	0.626
Antisocial Personality Disorder	18.96	0.090	2.03	0.98	4.19	0.055	1.25	0.62	2.55	0.532
Borderline Personality Disorder	31.66	0.002	4.13	1.91	8.92	0.000	1.76	0.79	3.92	0.164

^aRelative Risk Ratio, adjusted for age, sex, sexual orientation, and race/ethnicity; reference class is No Sharing