Table 1 Description of the main explanatory variables

Population served with adequate water supply at home

Population supplied with piped water in at least one of the rooms of their household from the following sources: general distribution network, well or spring water on or off the property

2013*

IBGE

Population served with adequate sanitation at home

Population that disposes its sewage in a general sewerage system, rainwater drainage or septic tank

2013*

IBGE

Population served with household solid waste collection

Population served with direct and indirect household solid waste collection, regardless of location (urban or rural)

2013*

IBGE

Schools with filtered water

Schools that provide their students with filtered water from filters, such as clay, crockery, plastic or activated carbon filters, that typically has porous filter elements to retain impurities

2014

INEP

Schools served with adequate water supply

Schools with adequate water supply, i.e. which are provided with public network, artesian well and “cacimba” / well / cistern

2014

INEP

Schools served with adequate sanitation

Schools that dispose their sewage into a public sewerage system or septic tank

2014

INEP

Schools with proper solid waste disposal

Schools whose solid waste produced is periodically collected or recycled

2014

INEP