Table 2.

Hurdle model predicting odds and frequency of condomless anal sex (n= 578).

	Any CAS (Binomial)		Frequency of CAS (Count)
	Odds Ratio	95% CI	Rate Ratio	95% CI
Intercept	0.50	(0.09, 3.67)	0.57	(0.08, 2.98)
Age	1.04	(0.96, 1.14)	1.08*	(1.00, 1.17)
Race/Ethnicity (ref = White)
Black	0.61*	(0.37, 1.00)	0.85	(0.54, 1.34)
Latino	1.17	(0.65, 2.12)	0.74	(0.47, 1.16)
Other	0.81	(0.41, 1.58)	0.81	(0.42, 1.55)
Region (ref = Northeast)
Midwest	0.45***	(0.29, 0.69)	1.01	(0.64, 1.58)
South	0.79	(0.49, 1.25)	1.09	(0.72, 1.64)
HIV status and PrEP uptake(ref = HIV-negative/unknown, not on PrEP)
HIV-positive	0.66	(0.22, 1.94)	1.68	(0.42, 6.69)
HIV-negative on PrEP	2.12**	(1.21, 3.72)	1.72*	(1.10, 2.69)
Marijuana	1.69**	(1.15, 2.48)	1.07	(0.70, 1.64)
Illicit drug use	2.26**	(1.26, 4.04)	1.63*	(1.07, 2.48)

^*p ≤ 0.05;

^**p ≤ 0.01;

^***p ≤ 0.001

Note: PrEP = pre-exposure prophylaxis; CAS = condomless anal sex; Illicit drug use included: cocaine, crack, GHB = gamma-hydroxybutyrate, ecstasy, ketamine, methamphetamine