Abstract
This study aimed to translate, cross-culturally adapt, and validate the CDPQOL questionnaire, a coeliac disease (CD)-specific paediatric health-related quality of life (HRQoL) instrument (CDPQOL), in Spanish children with CD. The CDPQOL questionnaire has two versions for children aged 8–12 and 13–18. Translation and linguistic validation were performed following an international consensus process. Internal consistency was calculated using Cronbach’s alpha and McDonald’s omega coefficients, and convergent validity was assessed with average variance extracted (AVE). Confirmatory factor analysis (CFA) and exploratory factor analysis (EFA), when necessary, were carried out to assess the construct validity. A total of 235 children were included. In the 8–12 age group, a change in the distribution of items to a new structure of three dimensions (negative emotions, food feelings and social interaction) was required. In this new model, CFA supported the fit of the model (χ2/gl = 1.79, RMSEA = 0.077 (IC 95% 0.05–0.100), CFI = 0.969, TLI 0.960, SRMR = 0.081) and Cronbach’s alpha and McDonald’s omega coefficients were > 0.7 in all three dimensions. In the 13–18 age group, CFA showed that all fit indexes were acceptable (χ2/gl = 1.702, RMSEA = 0.102 (IC 95% 0.077–0.127), p < 0.001, CFI = 0.956, TLI = 0.947, SRMR = 0.103) and Cronbach’s alpha and McDonald’s omega coefficients were > 0.7 in all three dimensions, except for uncertainty dimension.
Conclusions: The Spanish version of the CDPQOL questionnaire is a useful instrument to assess quality of life in coeliac children whose native language was Spanish spoken in Spain, with changes in item distribution in the younger age group questionnaire.
What is Known: • The first specific questionnaire for coeliac children, Dutch Coeliac Disease Questionnaire (CDDUX), which focuses on diet, was translated into Spanish and validated allowing to evaluate the HRQoL of Spanish coeliac children. • Spanish Children and parents feel the disease had no substantial negative impacts on patient HRQoL using this questionnaire, similar to that observed with other countries. | |
What is New: • The age specific for CD children (CDPQOL) was elaborated in the USA and focuses on other aspects not evaluated by CDDUX such as emotional and social issues related to living with CD. • The CDPQOL was translated into Spanish and validated allowing it to be used to assess Spanish coeliac children’s QoL. |
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Data availability
No datasets were generated or analysed during the current study.
Abbreviations
- CD:
-
Coeliac disease
- GFD:
-
Gluten-free diet
- HRQoL:
-
Health-related quality of life
- χ 2 :
-
Absolute reduced chi-square
- AVE:
-
Average variance extracted
- CDPQOL:
-
Celiac disease (CD)-specific paediatric health-related quality of life (HRQoL) instrument
- CFI:
-
Comparative fit index
- CFA:
-
Confirmatory factor analysis
- EFA:
-
Exploratory factorial analysis
- KMO:
-
Kaiser-Meyer-Olkin test
- RMSEA:
-
Root mean squared error of approximation
- SRMR:
-
Standardised root mean square residual
- χ 2/gl:
-
Statistics to the degree of freedom ratio
- CDDUX:
-
The Dutch Coeliac Disease Dux
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Acknowledgements
To coeliac children and their parents who participated in the study. To the collaborators who carried out the recruitment of patients and data collection.
Funding
This study has been funded by Instituto de Salud Carlos III through the project “PI16/00358” (Co-funded by European Regional Development Fund; “A way to make Europe.”
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All authors whose names appear on the submission contributed to the study conception and design. Material preparation was performed by JBT and CFP, MD PhD. Data collection was carried out by JBT, TS, MLC, CPF, ER, BME, CGJ—and statistical analysis was performed by CFP and TS. The first draft of the manuscript was written by JBT and MLC, and JBT, MLC and TS commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Hospital Universitario de Fuenlabrada (Date. 11-10-2016/No16/46).
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Barrio-Torres, J., Sebastián-Viana, T., Fernández-Pérez, C. et al. Transcultural adaptation to Spain of the CDPQOL questionnaire specific for coeliac children. Eur J Pediatr (2024). https://doi.org/10.1007/s00431-024-05589-1
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DOI: https://doi.org/10.1007/s00431-024-05589-1