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Validation of a Spanish version of the Childhood Health Assessment Questionnaire
M V Goycochea-Robles1, J Garduño-Espinosa, E Vilchis-Guizar
1Rheumatology Unit, Hospital General de México, México City.
Objective:
To determine the reliability and validity of a Spanish version of the Childhood Health Assessment Questionnaire (CHAQ).
Methods:
Fifty-five patients with juvenile rheumatoid arthritis (JRA) [35 girls, 20 boys; mean age at onset (+/- SD) 11 +/- 3.3 yrs, mean disease duration 3.3 +/- 2.2 yrs] were included in an observational and cross sectional study that evaluated translation validity, cross sectional construct validity, and test-retest reliability of the Spanish version of the CHAQ. The questionnaire was administered to either patients or one of their parents, and results were correlated with the Steinbrocker functional class, the Juvenile Arthritis Functional Assessment Scale (JAFAS), and disease activity.
Results:
The mean CHAQ score (mean 0.77, range 0.01-2.25) was found to correlate at different levels with Steinbrocker functional class (r = 0.62, p < 0.0001), JAFAS (r = 0.65, p < 0.0001), and disease activity score (r = 0.40, p < 0.0001). Test-retest and interobserver agreement had good correlations.
Conclusion:
The Spanish version of the CHAQ we studied is a reliable and valid tool for assessment of health status in Spanish speaking children with JRA.