Objective:

To identify possible changes in the frequency of psychopathological syndromes in Mexican children population over a 15-year period using the Brief Screening and Diagnostic Questionnaire (CBTD in Spanish).

Materials and methods:

Information gathered from different studies on the general population, schools and medical general practice are analyzed. Results from the Mexico City study were used as base rates for comparisons.

Results:

Higher prevalence of externalizing syndromes such as attention deficit and hyperactivity, oppositional and explosive conduct were very evident. Also, anxiety and depressive syndromes showed a notable increase. Prevalence of abnormal language and probable epilepsy were also increased on different age-groups.

Conclusions:

Findings are discussed in light of longitudinal reports in the literature as well as on reports in adolescent population in Mexico.

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