Table 2.

Poisson regression predicting likelihood of one or more HIV/STI diagnoses among substance-using young adults (N=602)¹

		B	SE	X2	OR	95% CI
Demographics
Foster care history		0.53	0.30	3.12*	1.69	−0.06	1.11
Gender (ref=female)		−0.36	0.18	4.16*	0.70	−0.71	−0.01
Race (ref=Black)	Hispanic	−0.69	0.61	1.26	0.50	−1.89	0.51
	White	−0.21	0.31
	Other	0.42	0.31
Sexual Behaviours
Group sex participation history		0.56	0.28	4.01*	1.76	0.01	1.12
Condomless sex frequenciesa		0.00	0.00	0.18	1.00	−0.01	0.00
Substance Use-Related Measures
Days ecstasy usea		−0.00	0.01	0.78	0.99	−0.02	0.01
Substance dependence symptomsb		−0.06	0.08	0.59	0.94	−0.22	0.10
High during sex almost all the timea		0.11	0.27	0.16	1.11	−0.42	0.63
Victimisation history
Sexual victimisation		1.16	0.31	14.29***	3.18	0.56	1.76
Additional Health and Social Problems
Mental distress symptomsb		0.01	0.03	0.15	1.01	−0.04	0.07
Homelessness history		−0.24	0.30	0.67	0.79	−0.82	0.34
Interactions
Foster care X group sex participation		−0.60	0.30	3.94*	0.83	−1.20	−0.01
Foster care X sexual victimization		−0.18	0.28	0.44	0.55	−0.73	0.36
Foster care X homelessness		0.43	0.29	2.20	1.54	−0.14	1.00
Foster care X high during sex almost all the time		−0.07	0.27	0.07	0.93	−0.59	0.45

¹22% (134/602) with one or more HIV/STI diagnoses;

^*p<.05;

^**p<.01;

^***p<.001;

^apast 90 days;

^bpast year