The prevalence of mental illness in five different Scandinavian primary care populations was
investigated in this study. Patients consecutively consulting their general practitioner a
particular week‐day were included in the study. Initially the SCL‐25 was applied and next
the high scores and a sample of the low scores were interviewed by the PSE. In the analysis
the screening procedure was first validated. The internal validity of the SCL was tested by
means of Rasch latent structure analysis and the external validity tested by ROC/QROC …

A total of 1281 patients were examined during consultation with their GP in a Nordic
multicentre study focusing on the prevalence of psychiatric illness, hidden psychiatric
morbidity, treatment and pathways to specialized care. The methodology and prevalence
were reported in an accompanying paper. The present paper presents results concerning
the variables hidden psychiatric morbidity, treatment and pathways to specialized care. The
GPs detected 44% of the psychiatric cases compared with the result of a diagnostic interview …