Extended Data Table 1 Intent-to-Treat Effect of Door-to-Door and Small-Group Treatments

From: Last-mile delivery increases vaccine uptake in Sierra Leone

  1. The table presents Intent-To-Treat estimates of the adult vaccination rate. Column 1 presents the adult vaccination rate for the sub-treatment arms. Treatment effects are estimated using OLS and include randomization block fixed effects (triplets) and heteroscedasticity-robust standard errors clustered at the village level. Column 2 adds covariates that were imbalanced at baseline. Column 3 presents the results of the individual Door-to-Door campaign where up to 20 structures were randomly assigned to be visited by the social mobilization team. The sample is restricted to the 50 villages assigned to the Door-to-Door treatment arm, and non-peripheral structures within these villages. Treatment effects are estimated using OLS including randomization block fixed effects (villages), with heteroscedasticity-robust standard errors clustered at the structure (hut, house) level. The p-value in the bottom panel is from a two-sided t-test on the quality of means of both treatment arms. ***, **, and * indicate significance at the 1, 5, and 10 percent critical level and refer to two-sided tests without multiple comparison adjustments.
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