Hans-Ulrich Wittchen1, Jens Strehle1, Anja Gerschler1, Jana Volkert2, Maria Christina Dehoust2, Susanne Sehner3, Karl Wegscheider3, Berta Ausìn4, Alessandra Canuto5, Mike Crawford6, Chiara Da Ronch7, Luigi Grassi7, Yael Hershkovitz8, Manuel Munoz4, Alan Quirk3,6, Ora Rotenstein8, Ana Belén Santos-Olmo4, Arieh Shalev8, Kerstin Weber5, Holger Schulz2, Martin Härter2, Sylke Andreas2,9. 1. Institute of Clinical Psychology and Psychotherapy and Centre of Clinical Epidemiology and Longitudinal Studies (CELOS), Technische Universität Dresden, Dresden, Germany. 2. Department of Medical Psychology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany. 3. Department of Biometry and Epidemiology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany. 4. School of Psychology, University Complutense of Madrid, Madrid, Spain. 5. Division of Liaison Psychiatry and Crisis Intervention, Department of Psychiatry and Mental Health, University Hospitals of Geneva (HUG), Geneva, Switzerland. 6. Royal College of Psychiatrists, London, UK. 7. Section of Psychiatry, Department of Biomedical and Specialty Surgical Sciences, Ferrara, Italy. 8. Department of Psychiatry, Hadassah University Medical Centre, Kiryat Hadassah, Jerusalem, Israel. 9. Institute for Psychology, Alpen-Adria Universität Klagenfurt, Klagenfurt, Austria.
Abstract
UNLABELLED: Prevalence findings for the elderly are artificially low, most likely due to insufficient consideration of age-related cognitive abilities in diagnostic interviews. AIMS: (1) To describe the rationale for the development of an age-adapted Composite International Diagnostic Interview (CIDI65+) for use in a European project (MentDis_ICF65+). (2) To examine its test-retest reliability. METHODS: Based on substantive pilot work the CIDI standard questions were shortened, broken down into shorter subsets and combined with sensitization questions and dimensional measures. Test-retest was determined in N = 68 subjects aged 60-79 years via two independent examinations by clinical interviewers using kappa (sensitivity, specificity) for categorical and intraclass correlation (ICC) coefficients for dimensional measures. RESULTS: Test-retest reliability was good for any mental disorder (κ = 0.63), major depression (κ = 0.55), anxiety (κ = 0.62, range = 0.30-0.78), substance (κ = 0.77, range = 0.71-0.82), obsessive-compulsive disorder (κ = 1.00) and most core symptoms/syndromes (κ range = 0.48-1.00). Agreement for some disorders (i.e. somatoform/pain) attenuated, partly due to time lapse effects. ICC for age of onset, recency, quantity, frequency and duration questions ranged between κ = 0.60-0.90. Dimensional agreement measures were not consistently higher. CONCLUSION: The age-adapted CIDI65+ is reliable for assessing most mental disorders, distress, impairment and time-related information in the elderly, prompting the need to examine validity.
UNLABELLED: Prevalence findings for the elderly are artificially low, most likely due to insufficient consideration of age-related cognitive abilities in diagnostic interviews. AIMS: (1) To describe the rationale for the development of an age-adapted Composite International Diagnostic Interview (CIDI65+) for use in a European project (MentDis_ICF65+). (2) To examine its test-retest reliability. METHODS: Based on substantive pilot work the CIDI standard questions were shortened, broken down into shorter subsets and combined with sensitization questions and dimensional measures. Test-retest was determined in N = 68 subjects aged 60-79 years via two independent examinations by clinical interviewers using kappa (sensitivity, specificity) for categorical and intraclass correlation (ICC) coefficients for dimensional measures. RESULTS: Test-retest reliability was good for any mental disorder (κ = 0.63), major depression (κ = 0.55), anxiety (κ = 0.62, range = 0.30-0.78), substance (κ = 0.77, range = 0.71-0.82), obsessive-compulsive disorder (κ = 1.00) and most core symptoms/syndromes (κ range = 0.48-1.00). Agreement for some disorders (i.e. somatoform/pain) attenuated, partly due to time lapse effects. ICC for age of onset, recency, quantity, frequency and duration questions ranged between κ = 0.60-0.90. Dimensional agreement measures were not consistently higher. CONCLUSION: The age-adapted CIDI65+ is reliable for assessing most mental disorders, distress, impairment and time-related information in the elderly, prompting the need to examine validity.
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