The Czech version of the Childhood Health Assessment Questionnaire (CHAQ) and the Child Health Questionnaire (CHQ)

We report herein the results of the cross-cultural adaptation and validation into the Czech language of the parent's version of two health related quality, of life instruments. The Childhood Health Assessment Questionnaire (CHAQ) is a disease specific health instrument that measures functional ability in daily, living activities in children with juvenile idiopathic arthritis (JIA). The Child Health Questionnaire (CHQ) is a generic health instrument designed to capture the physical and psychosocial wellbeing of children independently from the underlying disease. The Czech CHAQ-CHQ were fully, validated with 3 forward and 3 backward translations. A total of 150 subjects were enrolled: 81 patients with JIA (14% systemic onset, 44% polyarticular onset, 10% extended oligoarticular subtype, and 32% persistent oligoarticular subtype) and 69 healthy children. The CHAQ clinically, discriminated between healthy, subjects and JIA patients, with the systemic, polyarticular and extended oligoarticu...