First stage

	All (1)	Females (2)	Males (3)
% of Neighbors with 10–50 Kwacha incentive	0.683*** [0.048]	0.637*** [0.056]	0.719*** [0.057]
% of Neighbors with 50–100 Kwacha incentive	0.735*** [0.053]	0.722*** [0.057]	0.742*** [0.071]
% of Neighbors with 100–200 Kwacha incentive	0.866 ***[0.044]	0.874*** [0.056]	0.851*** [0.050]
% of Neighbors with 200–300 Kwacha incentive	0.691*** [0.067]	0.668*** [0.074]	0.709*** [0.084]
Observations	2767	1508	1259
R-squared	0.641	0.611	0.673
F-test statistic	208.07	123.74	191.09

Notes: Each column represents the first stage of an IV regression. The instruments are the percent of neighbors that received various amounts of the incentives. Standard errors are clustered by village. Additional controls not presented here but included in the regression include: age, age squared, HIV status, a simulated average distance to the HIV results center, a dummy variable indicating if the individual lives further than 1.5 km from the nearest VCT as well as district fixed effects. The F-test statistics presented here are those that correspondto the joint test of significance of the 4 instruments (% of neighbors that got 10–50 Kwacha;% of neighbors that got 50–100 Kwacha;% of neighbors that got 100–200 Kwacha;% of neighbors that got 200–300 Kwacha). Asterisks denote the significance of the coefficients:

^***indicates significance at the 1% level;

^**significance at the 5% level; and

^*denotes significance at the 10% level.

The F-test statistics reported are the Wald Weak Identification F-test statistic (Kleibergen–Paap).