Table 3.

Adjusted Odds Ratios from Multinomial Latent Class Regression Assessing Significant Predictors of Class Membership

Characteristic	LIHS (n=119) vs. LILS (n=912)	HIMS (n=241) vs. LILS (n=912)	LIHS (n=119) vs. HIMS (n=241)
	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)
Age
<30 years old	1.04 (0.47-2.31)	1.03 (0.69, 1.54)	1.01 (0.43, 2.37)
>=30 years old	REF	REF	REF
Biological Sex
Male	1.49 (0.59, 3.80)	0.66 (0.46, 0.96)	2.26 (0.86, 5.96)
Female	REF	REF	REF
Race/Ethnicity
Other	1.14 (0.60, 2.15)	1.19 (0.84, 1.69)	0.96 (0.48, 1.92)
Non-Hispanic White	REF	REF	REF
Educational Attainment
<=High School/GED	1.08 (0.56, 2.11)	0.94 (0.67, 1.33)	1.15 (0.56, 2.37)
>High School/GED	REF	REF	REF
Annual Income
<=$14,999	0.73 (0.39, 1.36)	1.32 (0.92, 1.88)	0.55 (0.28, 1.10)
>=$15,000	REF	REF	REF
Housing Status
Experiencing Unstable housing	0.89 (0.40, 1.97)	2.04 (1.44, 2.89)	0.44 (0.19, 0.99)
Stably Housed	REF	REF	REF
Sexual Orientation
Gay/Bisexual	5.85 (3.01, 11.34)	2.21 (1.34, 3.64)	2.65 (1.25, 5.59)
Heterosexual	REF	REF	REF
Injections Per Day
>=5 times	0.85 (0.40, 1.83)	1.34 (0.96, 1.88)	0.64 (0.29, 1.40)
<=4 times	REF	REF	REF
Methamphetamine injection	4.65 (2.37, 9.12)	1.07 (0.63, 1.81)	4.35 (1.97, 9.60)
Heroin Injection	1.26 (0.61, 2.60)	2.76 (1.60, 4.78)	0.46 (0.20, 1.07)
Fentanyl Injection	0.87 (0.34, 2.21)	0.65 (0.41, 1.03)	1.35 (0.51, 3.60)
Cocaine Injection	1.38 (0.65, 2.93)	1.02 (0.70, 1.50)	1.35 (0.61, 2.98)
Speedball Injection	1.12 (0.41, 3.03)	2.36 (1.54, 3.61)	0.48 (0.17, 1.31)

Note. Bolded values represent significant at alpha=0.05. LIHS=Low-injection, High-sexual; LILS=Low-injection, Low-sexual; HIMS=High-injection, Moderate-sexual