Mental Health Disorder Trends in Denmark According to Age, Calendar Period, and Birth Cohort.

ABSTRACT:

Importance

Research suggests an increase in mental disorder incidence in recent years, but this trend remains unexplained, and there is a lack of large studies based on a representative sample that investigate mental disorders over the full spectrum.

Objective

To explore sex- and age-specific incidence of any mental disorder and 19 specific disorders according to birth cohort and calendar period.

Design, setting, and participants

This was a population-based cohort study among 5 936 202 individuals aged 1 to 80 years living in Denmark at some point between January 1, 2004, and December 31, 2021. Data were derived from the Danish Civil Registration System and analyzed from February to August 2024.

Exposures

Birth cohort (8 categories from 1924 to 2011) and calend

SUBMITTER: Momen NC 

PROVIDER: S-EPMC11603380 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature