The variables used in the study are listed below, along with their interpretation. fscores_behavior Factor scores obtained from the analysis of the exceptional behavioral needs scale. fscores_medical Factor scores obtained from the analysis of the exceptional medical needs scale. FA_FS to FG_FS Factor scores of each of the SIS-C scales; each letter (A to G) corresponds to a scale in the same order of presentation as in the SIS-C manual. BEHAVIOR_CLASS Classification of children according to their level of exceptional behavioral needs. 1=no relevant needs, 2=low needs, 3=moderate needs, 4=high needs. MEDICAL_CLASS Classification of children according to their level of exceptional medical needs. 1=no relevant needs, 2=low needs, 3=moderate needs, 4=high needs.