[Severe depression and risk factors in Buenos Aires].

A study on prevalence of depression and its risk factors in 18 year old males with residence in the city of Buenos Aires was performed in 1991 during a mass medical examination of aptitude for the Military Service. An anonyme, self administered questionnaire was given to 553 youngsters in a probability sample. From findings in that study it was deemed necessary a deepen analysis on severe depression and its possible associations with ideas of suicide. Prevalence at severe depression was 4.5% and strong association was found with sadness in depression was 4.5% and strong association was found with sadness in childhood (RR 12.73), boredom (RR 10.56), retiring (RR 8.28) and nervousness (RR 3.89) as well as drugs abuse by brothers (RR 3.48) and family conflicts (RR 2.43). Possibility of having ideas of suicide is thirty three times more when depression exists. The attributable risk of suicide due to severe depression is 75%. Keeping in mind this health problem in youngsters might help to establish collective and individual strategic measures toward prevention.