Performance of the modified checklist for autism in Toddlers in Spanish-speaking patients

Abstract

Objective. To compare abnormal screening rates of 2 different Spanish versions of the Modified Checklist for Autism in Toddlers (M-CHAT) in US Spanish-speaking patients. Method. Quasi-experimental design was used with historical and English language controls. Abnormal screening rates were compared between Spain and Western-hemisphere Spanish versions, as well as to English controls during the same time periods using chi square analysis. Results. M-CHAT questionnaires were scored from 589 subjects (English n = 415, Spanish n = 174). There was little difference between Spanish versions. Overall, the Spanish abnormal screening rate was double that of English (23.6% vs 11.3%, P