Table 1. Model features.

Agent attributes. Each man (agent) in the model possesses the following attributes:		Network models. The probabilities governingrelations between pairs:		Transitions. The following changes can happen to men:
Age		Main partnerships evolve as a function of:		Entrance into population
	Race (US only)		Age of men	Aging
	Circumcision status		Race of men (US only)	Infection
	Sexual role preference		# of partnerships men are already in	Change in viral load
	Propensity for casual UAI	UAI occurs w/in main partnerships as function of:		Progression through disease stages
	Infection status		Disclosure and diagnosis status of men	Testing
	Diagnosis status		Disease stage of men	Treatment initiation
	Viral load (for HIV+ men)		Men’s sexual roles	Death from AIDS
	Stage of infection (for HIV+ men)	Casual UAI occurs as a function of:		Death from other causes
	Treatment status (for HIV+ men)		Age of men		Sexual retirement
	Treatment adherence and suppression		Race of men (US only)
	Testing propensity		Men’s propensity for casual UAI
	Duration since sexual debut		Men’s disclosure and diagnosis status
	Duration since last negative test		Disease stage of men
	Duration since infection		Men’s sexual roles
	Duration since positive diagnosis