Additional file 1 of How do pro-social tendencies and provider biases affect service delivery? Evidence from the rollout of self-injection of DMPA-SC in Nigeria

Additional file 1: Table S1: Descriptives of provider characteristics, biases, and social preferences, stratifying by sex and sector. Table S2: Descriptives of provider characteristics, biases, and social preferences, stratifying by state and type of health worker. Table S3: Perceived differential treatment by reason. Table S4: Comparison of mystery client visits in analytical sample to those excluded from analytical sample. Figure S1: Mystery Client Flow Diagram.