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- Title
Validation of Control of Allergic Rhinitis and Asthma Test for Children (CARATKids) - a prospective multicenter study.
- Authors
Linhares, Daniela V. B. R.; Fonseca, João Almeida L.; Borrego, Luís Miguel; Matos, Águeda; Pereira, Ana Margarida; Sá‐Sousa, Ana; Gaspar, Ângela; Mendes, Cândida; Moreira, Carla; Gomes, Eva; Rebelo, Filomena F.; Cidrais Rodrigues, José Carlos; Onofre, José Manuel; Azevedo, Luís Filipe; Alfaro, Maria; Calix, Maria José; Amaral, Rita; Rodrigues‐Alves, Rodrigo; Correia de Sousa, Jaime; Morais‐Almeida, Mário
- Abstract
Background Control of Allergic Rhinitis and Asthma Test for Children ( CARATKids) is the first questionnaire that assesses simultaneously allergic rhinitis and asthma control in children. It was recently developed, but redundancy of questions and its psychometric properties were not assessed. This study aimed to (i) establish the final version of the CARATKids questionnaire and (ii) evaluate its reliability, responsiveness, cross-sectional validity, and longitudinal validity. Methods A prospective observational study was conducted in 11 Portuguese centers. During two visits separated by 6 wk, CARATKids, visual analog scale scales and childhood asthma control test were completed, and participant's asthma and rhinitis were evaluated by his/her physician without knowing the questionnaires' results. Data-driven item reduction was conducted, and internal consistency, responsiveness analysis, and associations with external measures of disease status were assessed. Results Of the 113 children included, 101 completed both visits. After item reduction, the final version of the questionnaire has 13 items, eight to be answered by the child and five by the caregiver. Its Cronbach's alpha was 0.80, the Guyatt's responsiveness index was −1.51, and a significant (p < 0.001) within-patient change of CARATKids score in clinical unstable patients was observed. Regarding cross-sectional validity, correlation coefficients of CARATKids with the external measures of control were between 0.45 and −0.69 and met the a priori predictions. In the longitudinal validity assessment, the correlation coefficients between the score changes of CARATKids and those of external measures of control ranged from 0.34 to 0.46. Conclusion CARATKids showed adequate psychometric properties and is ready to be used in clinical practice.
- Subjects
ALLERGIES; RHINITIS; ASTHMA in children; ASTHMATICS; CHILDREN'S health
- Publication
Pediatric Allergy & Immunology, 2014, Vol 25, Issue 2, p173
- ISSN
0905-6157
- Publication type
Article
- DOI
10.1111/pai.12218