Covered 96 small towns in central Colombia, representing a large number of small communities across a relatively big geographical area. It exploited structures in place from the government’s Conditional Cash Transfer Programme, Familias en Accion (FeA), which targets the poorest 20% of households in the country. There are currently 3 waves of data, a baseline, pre-intervention wave collected between February and June 2010, and a follow-up wave 18 months later between September and December 2011, at the end of the intervention period. The 2nd wave of follow-up data collection occurred 2 years after the first follow-up data collection between September and December 2013. The scope of the study includes: Housing and Home, Location and identification, Housing Characteristics, Distances, Property and Ownership of Property, Home savings and debts, Expenses, Other revenues and transfers, Incidents in the past 12 months, Participation in Familias en Accion, Household structure, Food consumption of children in the household (for children between 6 months and 6 years), Education, Health, Work, Institutional and non-institutional care, Nutritional status - growth and development, Home characteristics, Morbidity, Historical care arrangements, Interaction with biological parents, Time use, Empowerment, Family information, Contraception and reproductive history, Risk aversion, Inequality aversion, Knowledge of child development, Depression, Birth and breastfeeding of biological children, Anthropometrics (height, weight etc.) and haemoglobin.