Table 5.

Mean test intervals and test likelihood for opportunistic-only, regular, and risk-based testers in both Atlanta and Seattle.

Tester Type		Atlanta	Seattle
Opportunistic-only testers
	Interval between opportunities to take an opportunistic test	183 days	183 days
	Likelihood of seizing testing opportunity: Opportunistic-only testers	0.629	0.764
Regular testers
	Interval between regular tests for high AI frequency group	224 days	151 days
	Interval between regular tests for low AI frequency group	224 days	372 days
	Likelihood of seizing testing opportunity: Regular tester	0.095	0.095
Risk-based testers
	Likelihood of testing after event: CAI in non-main partnership	0.339	0.359
	Likelihood of testing after event: CAI within known serodiscordant partnership	0.520	0.538
	Likelihood of testing after event: Acquisition of new main partner	0.349	0.375
	Time from event to test: CAI in non-main partnership	39.2 days	39.2 days
	Time from event to test: CAI within known serodiscordant partnership	43.4 days	43.4 days
	Time from event to test: Acquisition of new main partner	56.7 days	56.7 days
	Likelihood of seizing testing opportunity: Risk-based tester	0.095	0.095