INTRODUCTION
SECONDARY, MCC, STUNTING
Child stunting affected an estimated 35% of children under 5 years old in rural areas of Indonesia and 27% in urban areas of the country in 2018, according to the latest Indonesia Basic Health Research (RISKESDAS) survey (Kementerian Kesehatan, Globally, community‐based platforms are a promising channel through which to deliver these types of interventions to poor and remote populations (Bhutta et al., In Indonesia, a health and education‐focused community‐driven development (CDD) programme, In this study, we report on the impacts of the $120 million Community‐Based Health and Nutrition to Reduce Stunting Project in Indonesia, which was funded by the Millennium Challenge Corporation (MCC), a US foreign aid agency, and was implemented in 11 of Indonesia's 34 provinces between 2014 and 2018. The project supplemented a slightly modified version of the original The primary objective of this study was to assess the extent to which this comprehensive package of community‐based interventions was effective in reducing stunting, the primary outcome measure, among children under 3 years old in the treatment villages. An additional objective was to assess impacts on secondary, more proximal outcomes related to nutrition and sanitation practices.