The extent to which body mass index (BMI) varies between small areas or neighborhoods in low- to middle-income countries (LMICs) remains unknown. Further, whether such variation is reflective of characteristics of individuals living in these neighborhoods is also not clear. We estimated the...

We evaluate the impact of oral polio vaccines on the incidence of disabilities in India, focusing on polio-related disability. Polio was hyperendemic in India even as recently as the early 1990s but the country was declared wild polio virus-free in 2014. Average treatment effects on the treated...

Evidence from randomized controlled trials suggests that interventions relying on community involvement through a participatory learning and action (PLA) approach can improve health outcomes in resource-poor settings. However, whether PLA-based interventions remain effective after scale-up is...