"variable name","description"
"ESCUELA","four character school code"
"DIAS.OBSERVA","number of person-days of observation"
"DiasDiarrhea","days absence due to diarrhoea"
"EpisodiosDiarrhea","episodes of absence due to diarrhoea"
"Intervención","trial arm (character string prefixed by number)"
"TasaEpisodiosAnual","rate of diarrhoea absence episodes per school year of 185 days"
"TasaDiasAnual","rate of diarrhoea absence days per school year of 185 days"
"Municipio","single letter code for municipio (A or M)"
"DengueInterv","binary variable indicating whether received dengue    interventions (code 1) or not (code 0)"
"DiarrhInterv","binary variable indicating whether received diarrhoea interventions (code 1) or not (code 0)"