Measuring illness insight in patients with alcohol-related cognitive dysfunction using the Q8 questionnaire: a validation study
Impaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the assessment of illness insight (eg, the Q8) was investigated in patients with Korsakoff's syndrome (KS) and in alcohol use disorder (AUD) patien...
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| Published in: | Neuropsychiatric disease and treatment Vol. 12; pp. 1609 - 1615 |
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| Abstract | Impaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the assessment of illness insight (eg, the Q8) was investigated in patients with Korsakoff's syndrome (KS) and in alcohol use disorder (AUD) patients with mild neurocognitive deficits.
First, reliability coefficients were computed and internal structure was investigated. Then, comparisons were made between patients with KS and patients with AUD. Furthermore, correlations with the Dysexecutive Questionnaire (DEX) were investigated. Finally, Q8 total scores were correlated with neuropsychological tests for processing speed, memory, and executive function.
Internal consistency of the Q8 was acceptable (ie, Cronbach's α =0.73). The Q8 items represent one factor, and scores differ significantly between AUD and KS patients. The Q8 total score, related to the DEX discrepancy score and scores on neuropsychological tests as was hypothesized, indicates that a higher degree of illness insight is associated with a higher level of cognitive functioning.
The Q8 is a short, valid, and easy-to-administer questionnaire to reliably assess illness insight in patients with moderate-to-severe alcohol-related cognitive dysfunction. |
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| AbstractList | Impaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the assessment of illness insight (eg, the Q8) was investigated in patients with Korsakoff's syndrome (KS) and in alcohol use disorder (AUD) patients with mild neurocognitive deficits.
First, reliability coefficients were computed and internal structure was investigated. Then, comparisons were made between patients with KS and patients with AUD. Furthermore, correlations with the Dysexecutive Questionnaire (DEX) were investigated. Finally, Q8 total scores were correlated with neuropsychological tests for processing speed, memory, and executive function.
Internal consistency of the Q8 was acceptable (ie, Cronbach's α =0.73). The Q8 items represent one factor, and scores differ significantly between AUD and KS patients. The Q8 total score, related to the DEX discrepancy score and scores on neuropsychological tests as was hypothesized, indicates that a higher degree of illness insight is associated with a higher level of cognitive functioning.
The Q8 is a short, valid, and easy-to-administer questionnaire to reliably assess illness insight in patients with moderate-to-severe alcohol-related cognitive dysfunction. Aim: Impaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the assessment of illness insight (eg, the Q8) was investigated in patients with Korsakoff’s syndrome (KS) and in alcohol use disorder (AUD) patients with mild neurocognitive deficits. Methods: First, reliability coefficients were computed and internal structure was investigated. Then, comparisons were made between patients with KS and patients with AUD. Furthermore, correlations with the Dysexecutive Questionnaire (DEX) were investigated. Finally, Q8 total scores were correlated with neuropsychological tests for processing speed, memory, and executive function. Results: Internal consistency of the Q8 was acceptable (ie, Cronbach’s α =0.73). The Q8 items represent one factor, and scores differ significantly between AUD and KS patients. The Q8 total score, related to the DEX discrepancy score and scores on neuropsychological tests as was hypothesized, indicates that a higher degree of illness insight is associated with a higher level of cognitive functioning. Conclusion: The Q8 is a short, valid, and easy-to-administer questionnaire to reliably assess illness insight in patients with moderate-to-severe alcohol-related cognitive dysfunction. AIMImpaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the assessment of illness insight (eg, the Q8) was investigated in patients with Korsakoff's syndrome (KS) and in alcohol use disorder (AUD) patients with mild neurocognitive deficits. METHODSFirst, reliability coefficients were computed and internal structure was investigated. Then, comparisons were made between patients with KS and patients with AUD. Furthermore, correlations with the Dysexecutive Questionnaire (DEX) were investigated. Finally, Q8 total scores were correlated with neuropsychological tests for processing speed, memory, and executive function. RESULTSInternal consistency of the Q8 was acceptable (ie, Cronbach's α =0.73). The Q8 items represent one factor, and scores differ significantly between AUD and KS patients. The Q8 total score, related to the DEX discrepancy score and scores on neuropsychological tests as was hypothesized, indicates that a higher degree of illness insight is associated with a higher level of cognitive functioning. CONCLUSIONThe Q8 is a short, valid, and easy-to-administer questionnaire to reliably assess illness insight in patients with moderate-to-severe alcohol-related cognitive dysfunction. |
| Audience | Academic |
| Author | Walvoort, Serge Jw van der Heijden, Paul T Kessels, Roy Pc Egger, Jos Im |
| AuthorAffiliation | 3 Behavioural Science Institute, Radboud University, Nijmegen 1 Centre of Excellence for Korsakoff and Alcohol-Related Cognitive Disorders, Vincent van Gogh Institute for Psychiatry, Venray 5 Department of Medical Psychology, Radboud University Medical Center, Nijmegen 2 Donders Institute for Brain, Cognition and Behaviour 6 Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Venray, the Netherlands 4 Reinier van Arkel Mental Health Institute, ‘s-Hertogenbosch |
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| Author_xml | – sequence: 1 givenname: Serge Jw surname: Walvoort fullname: Walvoort, Serge Jw organization: Centre of Excellence for Korsakoff and Alcohol-Related Cognitive Disorders, Vincent van Gogh Institute for Psychiatry, Venray; Donders Institute for Brain, Cognition and Behaviour; Behavioural Science Institute, Radboud University, Nijmegen – sequence: 2 givenname: Paul T surname: van der Heijden fullname: van der Heijden, Paul T organization: Behavioural Science Institute, Radboud University, Nijmegen; Reinier van Arkel Mental Health Institute, 's-Hertogenbosch – sequence: 3 givenname: Roy Pc surname: Kessels fullname: Kessels, Roy Pc organization: Centre of Excellence for Korsakoff and Alcohol-Related Cognitive Disorders, Vincent van Gogh Institute for Psychiatry, Venray; Donders Institute for Brain, Cognition and Behaviour; Department of Medical Psychology, Radboud University Medical Center, Nijmegen – sequence: 4 givenname: Jos Im surname: Egger fullname: Egger, Jos Im organization: Centre of Excellence for Korsakoff and Alcohol-Related Cognitive Disorders, Vincent van Gogh Institute for Psychiatry, Venray; Donders Institute for Brain, Cognition and Behaviour; Behavioural Science Institute, Radboud University, Nijmegen; Centre of Excellence for Neuropsychiatry, Vincent van Gogh Institute for Psychiatry, Venray, the Netherlands |
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| Keywords | Korsakoff’s syndrome alcohol use disorder illness insight neuropsychological assessment anosognosia cognition |
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| Snippet | Impaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the... Aim: Impaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the... AIMImpaired illness insight may hamper treatment outcome in patients with alcohol-related cognitive deficits. In this study, a short questionnaire for the... |
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| SubjectTerms | Addictions Alcoholism Analysis Brain damage Cognitive disorders Dementia Drinking (Alcoholic beverages) Measurement Medical research Memory Mental disorders Neurological disorders Original Research Patients Psychiatry Psychopathology Quantitative psychology Self awareness Studies Surveys Validation studies Van Gogh, Vincent (1853-1890) |
| Title | Measuring illness insight in patients with alcohol-related cognitive dysfunction using the Q8 questionnaire: a validation study |
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