Table 3.

HIV Testing at a multi-disease community health campaign (CHC) by randomized trial group, with the low-cost, gain-framed incentive group as the reference group in the adjusted model, comparing incentive type and cost.

	Tested for HIV at CHC
	aRR (95% CI)
Incentive type
Gain-framed, low-cost	Ref.
Loss-framed, low-cost	1.05 (0.97 – 1.14)
Lottery, low-cost	1.11 (1.03–1.20)*
Incentive cost
Low-cost	Ref.
High-cost	1.07 (0.98 – 1.20)
Interaction of incentive type and cost
High-cost × Loss-framed	0.97 (0.87 – 1.08)
High-cost × Lottery	0.95 (0.80 – 1.00)
Observations	2,527

^*p<0.01

aRR= adjusted relative risk.

CI=Confidence Interval.

Ref=Reference group.