"variable name","description"
"ESCUELA","four character school code"
"DIAS.OBSERVA","number of person-days of observation"
"DiasDengue","days absence due to dengue"
"EpisodiosDengue","episodes of absence due to dengue"
"Intervención","trial arm (character string prefixed by number)"
"TasaEpisodiosAnual","rate of dengue absence episodes per school year of 185 days"
"TasaDiasAnual","rate of dengue 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)"