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The Omani Arabic version of the Juvenile Arthritis Multidimensional Assessment Report (JAMAR)



Article type: Published article

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 Omani Arabic 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 57 JIA patients (22.8% systemic, 28.1% oligoarticular, 35.1% RF negative polyarthritis, 14.0% other categories) and 85 healthy children, were enrolled in two centres. Notably, none of the enrolled JIA patients is affected with enthesitis-related arthritis or undifferentiated arthritis. The JAMAR components discriminated well healthy subjects from JIA patients. All JAMAR components revealed satisfactory psychometric performances. In conclusion, the Omani Arabic 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.


Full citation

Al-Abrawi, S., et al. (2018). "The Omani Arabic version of the Juvenile Arthritis Multidimensional Assessment Report (JAMAR)." Rheumatol Int 38(Suppl 1): 299-306.


Methodology

Methods Condition Gender Age Country Setting Sample size
58 JIA patients and 85 healthy children Both Oman
Healthcare Facility 143

Number of items

40 items

Training

Measure does not require training

Required time

Less than 5 min

Access measure

safiassm@yahoo.com






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Articles last updated: March 2020