Data extraction and outcomes of the four included studies.

Note, SI = Somatically Ill; NSI = Non-Somatically Ill; a = mean age; b = median age; IDDM = Insulin-Dependent Diabetes Mellitus; DSM III/III-R/IV criteria = Diagnostic and Statistical Manual of Mental Disorders, third edition, third edition revised; fourth edition; DIS = Diagnostic Interview Schedule; CIDI = Composite International Diagnostic Interview; ISCA = Interview schedule for children and adolescents; MDE = Major Depressive Episode.