psychiatric case identification
The systematic process of detecting and defining cases of psychiatric disorders in epidemiological research.
Full Definition
Psychiatric case identification encompasses the methods and criteria used to systematically detect, classify, and define cases of mental disorders in epidemiological studies. This process involves establishing clear operational definitions, selecting appropriate screening instruments, determining thresholds for caseness, and implementing standardized assessment procedures. Case identification strategies may include clinical interviews, self-report questionnaires, medical record reviews, or administrative data mining. The validity and reliability of case identification procedures directly impact the accuracy of prevalence estimates, risk factor analyses, and public health planning. Different identification methods may yield varying case counts, making methodological transparency essential in psychiatric epidemiology research.
Usage
Usage note: Often used interchangeably with 'case ascertainment,' but case identification emphasizes the detection process.
In Context
- "The study employed a two-stage psychiatric case identification procedure using screening questionnaires followed by clinical interviews." — Methods section
- "Differences in psychiatric case identification methods may explain the discrepant prevalence estimates across studies." — Discussion section