Our prevalence of depressive symptoms was higher than that reported in international studies with similar BDI cutting-scores. Class-linked vulnerability could play an important aetiological role. Prevalences of Major Depression and Dysthymia were similar to other reports using structured diagnostic interviews. The cases were usually lower-class females, and they also presented medium or high psychosocial disability. Depressive symptoms and mood disorders in Primary Care represent an unsolved health care problem today.