Secondary depression in severe anxiety disorders: a population-based cohort study in Denmark.

ABSTRACT:

Background

Depression and anxiety disorders are highly comorbid conditions and a worldwide disease burden; however, large-scale studies delineating their association are scarce. In this retrospective study, we aimed to assess the effect of severe anxiety disorders on the risk and course of depression.

Methods

We did a population-based cohort study with prospectively gathered data in Denmark using data from three Danish population registers: The Danish Civil Registration System, the Danish Psychiatric Central Register, and the Danish National Hospital Registry. We selected the cohort from people born in Denmark between Jan 1, 1955, and Dec 31, 2002, who we followed up from Jan 1, 1994, to Dec 31, 2012. The cohort was restricted to individuals with known parents. First, we inv

SUBMITTER: Meier SM 

PROVIDER: S-EPMC5087327 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature