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Open Access Research article

Development process and cognitive testing of CARATkids - Control of Allergic Rhinitis and Asthma Test for children

Luís Miguel Borrego12, João Almeida Fonseca3456*, Ana Margarida Pereira3456, Vera Reimão Pinto7, Daniela Linhares4 and Mário Morais-Almeida1

Author Affiliations

1 Immunoallergy Department, Hospital CUF Descobertas, Lisbon, Portugal

2 CEDOC, Immunology Department, Faculty of Medical Sciences - New University of Lisbon, Lisbon, Portuga

3 Allergy Department, Centro Hospitalar S. João E.P.E, Porto, Portugal

4 Department of Health Information and Decision Sciences, Faculty of Medicine - University of Porto, Rua Dr. Plácido da Costa, 4200-450 Porto, Portugal

5 Allergy Unit - Hospital and Instituto CUF, Porto, Portugal

6 CINTESIS – Center for research in health technologies and information systems, Porto, Portugal

7 Psychology Department, Hospital de Dona Estefânia, Lisbon, Portugal

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BMC Pediatrics 2014, 14:34  doi:10.1186/1471-2431-14-34

Published: 6 February 2014

Abstract

Background

Allergic rhinitis and asthma (ARA) are chronic inflammatory diseases of the airways that often coexist in children. The only tool to assess the ARA control, the Control of Allergic Rhinitis and Asthma Test (CARAT) is to be used by adults. We aimed to develop the Pediatric version of Control of Allergic Rhinitis and Asthma Test (CARATkids) and to test its comprehensibility in children with 4 to 12 years of age.

Methods

The questionnaire development included a literature review of pediatric questionnaires on asthma and/or rhinitis control and two consensus meetings of a multidisciplinary group. Cognitive testing was carried out in a cross-sectional qualitative study using cognitive interviews.

Results

Four questionnaires to assess asthma and none to assess rhinitis control in children were identified. The multidisciplinary group produced a questionnaire version for children with 17 questions with illustrations and dichotomous (yes/no) response format. The version for caregivers had 4-points and dichotomous scales. Twenty-nine children, 4 to 12 years old, and their caregivers were interviewed. Only children over 6 years old could adequately answer the questionnaire. A few words/expressions were not fully understood by children of 6 to 8 years old. The drawings illustrating the questions were considered helpful by children and caregivers. Caregivers considered the questionnaire complete and clear and preferred dichotomous over the 4-points scales. The proportion of agreement between children and their caregivers was 61%. The words/expressions that were difficult to understand were amended.

Conclusion

CARATkids, the first questionnaire to assess a child’s asthma and rhinitis control was developed and its content validity was assured. Cognitive testing showed that CARATKids is well-understood by children 6 to 12 years old. The questionnaire’s measurement properties can now be assessed in a validation study.

Keywords:
Asthma; CARATkids; Cognitive testing; Control; Pediatrics; Questionnaire; Rhinitis