Validity and Reliability of the Korean Versions of the Food Allergy Quality of Life Questionnaire-Child Form and Teenager Form
ALLERGY ASTHMA & IMMUNOLOGY RESEARCH(2024)
Abstract
We aimed to assess the validity and reliability of the Korean versions of the Food Allergy Quality of Life Questionnaire-Child Form (K-FAQLQ-CF) and the Food Allergy Quality of Life Questionnaire-Teenager Form (K-FAQLQ-TF). Patients aged 8-17 years with food allergy (FA) were enrolled and completed the Korean versions of the questionnaires, including the K-FAQLQ-CF, the Food Allergy Independent Measure-Child Form (K-FAIM-CF), and the Pediatric Quality of Life Inventory (TM) (K-PedsQL (TM) 4.0) for children and the K-FAQLQ-TF, the Food Allergy Independent Measure-Teenager Form (K-FAIM-TF), and the K-PedsQL (TM) 4.0 for adolescents. We enrolled 56 children and 23 adolescents in this study. The K-FAQLQ-CF showed a good internal consistency (Cronbach's alpha coefficient = 0.969) and an excellent test-retest reliability (intraclass correlation coefficient = 0.914, P = 0.011). There was a moderate correlation between the K-FAQLQ-CF and K-FAIM-CF scores (beta = 0.736, P < 0.001), indicating construct validity. The K-FAQLQ-CF score was weakly associated with the K-PedsQL (TM) 4.0 score (beta = -0.289, P = 0.031), verifying convergent and discriminant validities. The K-FAQLQ-TF also showed a good internal consistency (Cronbach's alpha coefficient = 0.966) and test-retest reliability (intraclass correlation coefficient = 0.974, P = 0.005). Construct validity was also established by a moderate correlation with the K-FAIM-TF (beta = 0.699, P < 0.001). Our results suggest that the K-FAQLQ-CF and K-FAQLQ-TF are valid and reliable tools to evaluate the quality of life of children and adolescents with FA in Korea.
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Key words
Food hypersensitivity,quality of life,child,adolescent,questionnaires,risk factors,anxiety
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