Criteria for exposure and description of exposure
| Exposure measures | Specifications | Duration of depression |
|---|---|---|
| Antidepressant medications | ATC codes: N06AB03, N06AB04, N06AB05, N06AB06, N06AB08, N06AB10, N06AF01, N06AG02, N06AX03, N06AX06, N06AX11, N06AX16, N06AX21, N06AX22 | Duration based on dosage and package of the second prescription |
| Outpatient contact to a hospital | Main diagnosis of depression according to the ICD-10 classification: F32.0, F32.1, F32.2, F32.3, F32.8, F32.9, F33.0, F33.1, F33.2, F33.3, F33.4, F33.8, F33.9 | 90 days following a contact |
| Admission to a hospital | Main diagnosis of depression according to the ICD-10 classification: F32.0, F32.1, F32.2, F32.3, F32.8, F32.9, F33.0, F33.1, F33.2, F33.3, F33.4, F33.8, F33.9 | 180 days following an admission |
ATC = Anatomical Therapeutic Chemical. ICD-10 = International Classification of Diseases, 10th Revision.