The monetary incentive is a sum of an incentive for

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Unformatted text preview: ses’ survey in Balaka. The monetary incentive is a sum of an incentive for learning HIV results and an incentive for learning other STI results 1 in Mchinji and Balaka 2 . Distance from assigned testing centers to respondents’ homes is a straight-line spherical distance measured in kilometers. Reported having sex with more than one partner does not include those who did not report having sex in the follow-up survey. Sexual acts per month was asked only among a subset of respondents between the baseline survey and time of the VCT. results. In Mchinji and Balaka, all respondents learned both their HIV and STI results. Vouchers ranged between zero and three dollars, with an average total voucher amount (including zeros) of 1.01 dollars, worth approximately a day’s wage (Table 2, panel C). The distribution of vouchers was carefully monitored to ensure that each nurse followed the rules of randomization.5 Figure 2 presents the distribution of the vouchers. Each voucher included 5 During a pilot of the questionnaire and HIV testing, nurses gave out higher incentive amounts than the distribution would suggest, possibly feeling sympathetic to poor villagers. Nurses were then instructed that continuation of employment was contingent upon following the instructions of randomization. However, it appears that fewer “zero incentives” were given out (Figure 2). On average, the cumulative distribution of actual incentives given out is $0.22 higher than the theoretical distribution (a Kolmogorov-Smirnov test rejects the null hypothesis of equality at the 99 percent level, not shown). For incentive amounts over one dollar, there is no significant difference between the actual THORNTON: THE DEMAND fOR, AND IMpAcT Of, LEARNING HIV STATUS VOL. 98 NO. 5 1835 0.8 Actual distribution Theoretical distribution Kernel density 0.6 0.4 0.2 0 0 1 2 3 Total amount of incentive (dollars) Figure 2. Distribution of Incentives to Return for HIV Results ($) Notes: Sample includes 2,812 individuals who tested for H...
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This document was uploaded on 01/28/2014.

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