Table 4.

Rates of Sexually Transmitted Infections by Substance Use Treatment

	Prevalent				Incident
Substance Use Treatment	Unadjusted¹		Adjusted		Unadjusted¹		Adjusted
Category	%	(95%CI)	%	(95%CI)	%	(95%CI)	%	(95%CI)
No Treatment	42.7	(40.0, 45.7)	41.7	(38.2, 45.6)	10.2	(8.2, 12.7)	8.2	(6.1, 11.0)
AA/NA	54.2	(47.6, 61.7)	44.4	(38.2, 51.7)	11.8	(8.1, 17.4)	12.9	(8.5, 19.6)
Professional Treatment	50.4	(45.6, 55.7)	43.5	(38.7, 48.8)	11.8	(8.8, 16.0)	10.3	(7.1, 14.9)

Table 4 is based on most likely class assignment for each participant rather than the sum of posterior probabilities (Table 2 enumerates the classes based on posterior probabilities). These two approaches to assigning class membership do vary in counts per class.