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Test-retest reliability of the computerized DSM-IV version of the Munich-Composite International Diagnostic Interview
H U Wittchen1, G Lachner, U Wunderlich
1Clinical Psychology and Epidemiology Unit, Max Planck Institute of Psychiatry, Munich, Germany.
Insights
The Munich-Composite International Diagnostic Interview (M-CIDI) demonstrates good test-retest reliability for assessing DSM-IV disorders over at least one month. This diagnostic tool is efficient and acceptable for respondents.
Area of Science:
- Psychiatry
- Psychological Assessment
- Epidemiology
Background:
- The Munich-Composite International Diagnostic Interview (M-CIDI) is a structured diagnostic interview schedule.
- Accurate assessment of psychiatric disorders is crucial for diagnosis and treatment.
- Evaluating the reliability of diagnostic instruments is essential for their clinical utility.
Purpose of the Study:
- To describe the structure and content of the M-CIDI for DSM-IV assessment.
- To evaluate the test-retest reliability of the M-CIDI.
- To assess the M-CIDI's acceptability and efficiency.
Main Methods:
- A test-retest reliability study was conducted with 60 community respondents.
- Respondents were interviewed twice independently by trained interviewers.
- The average time interval between interviews was 38 days.
Main Results:
- Good test-retest reliability was observed for most DSM-IV core symptoms and disorders (kappa values generally > 0.72).
- Fair reliability was found for bulimia (kappa 0.55) and generalized anxiety disorder (kappa 0.45).
- High reliability (ICC ≥ 0.79) was noted for time-related questions, except for disorders with pre-pubertal onset.
Conclusions:
- The M-CIDI is an acceptable and efficient instrument for psychiatric diagnosis.
- The M-CIDI demonstrates good to excellent test-retest reliability for most DSM-IV disorders over at least one month.
- Reliability for assessing disorders with onset before puberty requires further investigation.
Abstract:
The structure and content of the Munich-Composite International Diagnostic Interview (M-CIDI) for the assessment of DSM-IV symptoms, syndromes, and diagnoses is described along with findings from a test-retest reliability study. A sample of 60 community respondents were interviewed twice independently by trained interviewers with an average time interval of 38 days between investigations. Test-retest reliability was good for almost all specific DSM-IV core symptom questions and disorders examined, with kappa values ranging from fair for two diagnoses--bulimia (kappa 0.55) and generalized anxiety disorder (kappa 0.45)--to excellent (kappa above 0.72) for all other anxiety disorders and alcohol use disorders. Test-retest reliability for age of onset and time-related questions was fairly consistently high (intra-class correlation values of 0.79 or above), with one notable exception: the assessment of disorders with onset before puberty. We concluded that the M-CIDI is acceptable for respondents, efficient in terms of time needed for and ease of administration, and reliable in terms of consistency of findings over time periods of at least 1 month.