Water, sanitation and hygiene (WASH) interventions: effects on child development in low- and middle-income countries

This is a protocol for a Cochrane Review (Intervention). The objectives are as follows:Main objectiveThe main objective is to assess the effect of interventions to improve sanitation, hygiene, water quality and supply within low- and middle-income countries on child development.Secondary objectivesThe secondary objectives are to:analyse any measured effect of water, sanitation and hygiene (WASH) interventions on school or preschool enrolment and attendance;examine the feasibility of WASH interventions with regard to their implementation fidelity and participant compliance;evaluate the effect of WASH interventions on intermediary outcomes of environmental contamination, gastrointestinal diseases and reduction in the burden of water collection and water costs; andidentify any adverse impact that WASH interventions may have for participants.