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.