Global impression of perceived difficulties in children and adolescents with attention-deficit/hyperactivity disorder: Reliability and validity of a new instrument assessing perceived difficulties from a patient, parent and physician perspective over the day

被引:18
作者
Wehmeier P.M. [1 ]
Schacht A. [1 ]
Dittmann R.W. [1 ,2 ]
Döpfner M. [3 ]
机构
[1] Lilly Deutschland, Medical Department, Bad Homburg
[2] Department of Child and Adolescent Psychosomatic Medicine, University of Hamburg, Hamburg
[3] Department of Child and Adolescent Psychiatry, University of Cologne, Cologne
关键词
ADHD Symptom; Atomoxetine; Patient Perspective; Child Health Questionnaire; Physician Perspective;
D O I
10.1186/1753-2000-2-10
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学科分类号
摘要
Background: The objective of this analysis was to evaluate the psychometric properties of a brief scale developed to assess the degree of difficulties in children with Attention-Deficit/Hyperactivity Disorder (ADHD). The Global Impression of Perceived Difficulties (GIPD) scale reflects overall impairment, psychosocial functioning and Quality of Life (QoL) as rated by patient, parents and physician at various times of the day. Methods: In two open-label studies, ADHD-patients aged 6-17 years were treated with atomoxetine (target-dose 0.5-1.2 mg/kg/day). ADHD-related difficulties were assessed up to week 24 using the GIPD. Data from both studies were combined to validate the scale. Results: Overall, 421 patients received atomoxetine. GIPD scores improved over time. All three GIPD-versions (patient, parent, physician) were internally consistent; all items showed at least moderate item-total correlation. The scale showed good test-retest reliability over a two-week period from all three perspectives. Good convergent and discriminant validity was shown. Conclusion: GIPD is an internally consistent, reliable and valid measure to assess difficulties in children with ADHD at various times of the day and can be used as indicator for psychosocial impairment and QoL. The scale is sensitive to treatment-related change. © 2008 Wehmeier et al; licensee BioMed Central Ltd.
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