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The Slovene version of the Juvenile Arthritis Multidimensional Assessment Report (JAMAR)
Natasa Toplak1, Tadej Avcin2, Maja Camernik1
1Department of Allergology, Rheumatology and Clinical Immunology, University Children's Hospital, University Medical Center Ljubljana, Bohoriceva 20, 1525, Ljubljana, Slovenia.
Insights
The Slovene version of the Juvenile Arthritis Multidimensional Assessment Report (JAMAR) is validated for assessing juvenile idiopathic arthritis (JIA) in children. This parent/patient-reported outcome measure is reliable for clinical practice and research.
Area of Science:
- Pediatrics
- Rheumatology
- Health Outcomes Research
Background:
- Juvenile idiopathic arthritis (JIA) requires comprehensive assessment tools.
- The Juvenile Arthritis Multidimensional Assessment Report (JAMAR) is a novel parent/patient-reported outcome measure.
- Cross-cultural adaptation and validation are crucial for global applicability.
Purpose of the Study:
- To translate and validate the parent and patient versions of the JAMAR into Slovene.
- To assess the psychometric properties of the Slovene JAMAR in children with JIA.
- To evaluate the JAMAR's utility in clinical practice and research.
Main Methods:
- Cross-cultural adaptation and translation of the JAMAR into Slovene.
- Pilot testing for reading comprehension in 10 JIA patients/parents.
- Validation study involving 100 JIA patients and 120 healthy children.
- Statistical analysis of psychometric properties including reliability and validity.
Main Results:
- The Slovene JAMAR demonstrated good psychometric performance across all components.
- The JAMAR effectively discriminated between JIA patients and healthy controls, with minor exceptions.
- Internal consistency, reliability, and validity were confirmed for the Slovene version.
Conclusions:
- The Slovene JAMAR is a valid and reliable tool for assessing JIA in children.
- The validated instrument is suitable for both clinical practice and research settings.
- This adaptation enhances the assessment capabilities for pediatric rheumatology in Slovenia.
Abstract:
The Juvenile Arthritis Multidimensional Assessment Report (JAMAR) is a new parent/patient reported outcome measure that enables a thorough assessment of the disease status in children with juvenile idiopathic arthritis (JIA). We report the results of the cross-cultural adaptation and validation of the parent and patient versions of the JAMAR in the Slovene language. The reading comprehension of the questionnaire was tested in 10 JIA parents and patients. Each participating centre was asked to collect demographic, clinical data and the JAMAR in 100 consecutive JIA patients or all consecutive patients seen in a 6-month period and to administer the JAMAR to 100 healthy children and their parents. The statistical validation phase explored descriptive statistics and the psychometric issues of the JAMAR: the 3 Likert assumptions, floor/ceiling effects, internal consistency, Cronbach's alpha, interscale correlations, test-retest reliability, and construct validity (convergent and discriminant validity). A total of 100 JIA patients (7.0% systemic, 47.0% oligoarticular, 22.0% RF negative polyarthritis, 24.0% other categories) and 120 healthy children, were enrolled. The JAMAR components discriminated well healthy subjects from JIA patients, except for the Health-Related Quality of Life, Psychosocial Health subscales. All JAMAR components revealed good psychometric performances. In conclusion, the Slovene version of the JAMAR is a valid tool for the assessment of children with JIA and is suitable for use both in routine clinical practice and clinical research.
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