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Psychiatric Epidemiology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

prodrome

Intermediate Technical IVT

Early signs and symptoms that precede the full manifestation of a psychiatric disorder.

Showing 25–48 of 100

DIS

Professional Technical IVT

Diagnostic Interview Schedule, a structured psychiatric diagnostic instrument designed for use by lay interviewers in ep...

Technical Term Full entry →

ECA study

Intermediate Technical IVT

Epidemiologic Catchment Area study, a landmark population-based survey of psychiatric disorders conducted in five US com...

Technical Term Full entry →

ecological fallacy

Advanced Technical IVT

The error of inferring individual-level associations from group-level data in epidemiological studies.

Technical Term Full entry →

expressed emotion

Advanced Technical IVT

A measure of family emotional climate characterized by criticism, hostility, and emotional overinvolvement that predicts...

Technical Term Full entry →

familial aggregation

Intermediate Technical IVT

The tendency for psychiatric disorders to occur more frequently within families than would be expected by chance.

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first-episode psychosis

Intermediate Technical IVT

The initial occurrence of psychotic symptoms in an individual, representing a critical period for intervention and progn...

Technical Term Full entry →

GWAS

Professional Technical IVT

Large-scale genetic studies examining associations between genetic variants and psychiatric disorders across the genome.

Abbreviation Full entry →

healthy worker effect

Advanced Technical IVT

The phenomenon where employed populations appear healthier than the general population due to selection bias.

Technical Term Full entry →

help-seeking behavior

Intermediate Technical IVT

The process by which individuals recognize psychiatric symptoms and actively pursue professional mental health treatment...

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incidence density

Advanced Technical IVT

The rate of new psychiatric disorder cases per unit of person-time at risk in a defined population.

Technical Term Full entry →

incidence rate

Intermediate Technical IVT

The number of new cases of a psychiatric disorder occurring in a defined population during a specific time period.

Technical Term Full entry →

lifetime prevalence

Intermediate Technical IVT

The proportion of individuals in a population who have experienced a psychiatric disorder at any point during their life...

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migrant epidemiology

Advanced Technical IVT

The study of mental health patterns among populations who have moved from their place of origin.

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MINI

Professional Technical IVT

A brief structured diagnostic interview designed for psychiatric epidemiological studies and clinical research.

Abbreviation Full entry →

NESARC

Professional Technical IVT

National Epidemiologic Survey on Alcohol and Related Conditions, a major US psychiatric epidemiology survey.

Document Type Full entry →

NIMH-DIS

Professional Technical IVT

National Institute of Mental Health Diagnostic Interview Schedule, a structured interview for psychiatric diagnosis in c...

Abbreviation Full entry →

NSDUH

Intermediate Technical IVT

National Survey on Drug Use and Health, an annual survey providing national estimates of substance use and mental health...

Technical Term Full entry →

period prevalence

Intermediate Technical IVT

The proportion of a population that has a psychiatric disorder during a specified time period, typically 12 months.

Technical Term Full entry →

person-time

Intermediate Technical IVT

A measure combining the number of people in a study with the duration of their observation period.

Technical Term Full entry →

phenocopy

Advanced Technical IVT

A condition that mimics a genetic psychiatric disorder but is caused by environmental factors rather than genetic varian...

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point prevalence

Intermediate Technical IVT

The proportion of a population that has a specific psychiatric condition at a particular point in time.

Technical Term Full entry →

polygenic risk score

Professional Technical IVT

A quantitative measure of genetic liability to psychiatric disorders based on genome-wide association study findings.

Technical Term Full entry →

population attributable fraction

Advanced Technical IVT

The proportion of disease incidence in a population that can be attributed to a specific risk factor.

Technical Term Full entry →

population attributable risk

Advanced Technical IVT

The proportion of disease incidence in a population that can be attributed to a specific risk factor.

Technical Term Full entry →
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