Table 2.
Incentive Type | N | Tested for HIV | % | p-value | HIV-positive, among tested | % | p-value | CD4+ cells/μL (IQR) |
---|---|---|---|---|---|---|---|---|
Gain-framed Incentive | 861 | 638 | 74% | Ref | 60 | 9.4% | Ref | 519 (386–661) |
Loss-framed Incentive | 833 | 638 | 77% | 0.235a | 37 | 5.8% | 0.015a | 393 (279–519) |
Lottery Incentive | 833 | 648 | 78% | 0.076a | 50 | 7.7% | 0.279a | 446 (300–647) |
Low-cost Incentive (~$US1) | 1,250 | 943 | 75% | Ref | 78 | 8.3% | Ref | 446 (332–625) |
High-cost Incentive (~$US5) | 1,277 | 981 | 77% | 0.416b | 69 | 7.0% | 0.307 | 444 (322–664) |
Compared to gain-framed;
Compared to low-cost incentives
IQR=Interquartile range