Table 1 Overview of Registry Entries Extracted to Identify Anxiety and Depression Problems

Control and Payment of Health Reimbursements Registry

ICPC codes

 P01

Feeling anxious/nervous/tense

 P03

Feeling depressed

 P73

Affective psychosis

 P74

Anxiety disorder/anxiety state

 P76

Depressive disorder

 P79

Phobia/compulsive disorder

Norwegian Prescription Database

ATC codes

 N05AH03^a

Olanzapine

 N05AH04^a

Quietapine

 N05AN01^a

Lithium

 N05AX12^a

Aripiprazole

 ATC codes starting with

Anxiolytics

 N05B

 ATC codes starting with

 N06A

Antidepressives

Norwegian Patient Registry

ICD-10 codes

 F30-F39

Mood (affective) disorders

 F40-F48

Anxiety, dissociative, stress-related, somatoform, and other nonpsychotic mental disorders