“…Previous studies support the adequate psychometric properties of these subscales in several settings (castro, toro, salamero, & guimerá, 1991;garner & Garfinkel, 1979;Garner, 1991;Podar & Allik, 2009;Rayon, arevalo, Diaz, & gomez-peresmitre, 2002). the study was approved by the ethics committee of the rancagua regional Hospital, where recruitment took place.…”