Lifetime Incidence and Socio-economic Implications of Mental Illness

Lifetime Incidence and Socio-economic Implications of Mental Illness - a Nationwide Population-based Cohort Study

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05415189

Enrollment

1500000

Registered

2022-06-13

Start date

2022-06-07

Completion date

2022-06-07

Last updated

2022-06-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mental Illness

Keywords

Mental Illness

Brief summary

The purpose of the present study is to estimate the lifetime incidence of any mental disorder in a nationwide population-based register linkage study for the Danish population and to estimate the influence on socio-economic functioning.

Detailed description

The purpose of the present study is to estimate the lifetime incidence of any mental disorder in a nationwide population-based register linkage study for the Danish population in total and according to gender and to estimate the influence on socio-economic functioning. The investigaters hypothesised that the lifetime incidence of any mental disorder is substantially higher than hitherto believed.

Interventions

OTHERNot relevant

This is a non-intervention cohort study

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

1 Years to 110 Years

Inclusion criteria

* The study was based on a randomly selected 1,500,000 sample of all persons who were registered in Statistics Denmark on the 1st of January 1995.

Exclusion criteria

* None

Design outcomes

Primary

Measure	Time frame	Description
Any psychiatric disorder or any psychotropic medication according to data in Danish nationwide registers	January 1, 1995 to December 31, 2020	Cumulative incidens of any psychiatric disorder or psychotropic medication for any mental illness except sleep disorders, dementia and nicotine dependence in total and according to sex

Secondary

Measure	Time frame	Description
Diagnosis of any psychiatric disorder according to data in Danish nationwide registers	January 1, 1995 to December 31, 2020	Cumulative incidence of a diagnosis of any psychiatric disorder in total and according to sex

Other

Measure	Time frame	Description
Socio-economic functioning in relation to individuals recorded with the primary outcome according to data in Danish nationwide registers	January 1, 1995 to December 31, 2020	Socio-economic functioning

Countries

Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026