Improving the reporting quality of intervention trials addressing the inter-individual variability in response to the consumption of plant bioactives: quality index and recommendations

Nikolic, Marina, Konic Ristic, Aleksandra, González-Sarrías, Antonio, Istas, Geoffrey, Urpi-Sarda, Mireia, Dall'Asta, Margherita, Monfoulet, Laurent-Emmanuel, Cloetens, Lieselotte, Bayram, Banu, Tumolo, Maria Rosaria, Chervenkov, Mihail, Scoditti, Egeria, Massaro, Marika, Tejera, Noemi, Abadjieva, Desislava, Chambers, Karen, Krga, Irena, Tomás-Barberán, Francisco A, Morand, Christine, Feliciano, Rodrigo, García-Villalba, Rocío, Garcia-Aloy, Mar and Mena, Pedro (2019) Improving the reporting quality of intervention trials addressing the inter-individual variability in response to the consumption of plant bioactives: quality index and recommendations. European Journal of Nutrition, 58. 49–64. ISSN 1436-6207

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Abstract

PURPOSE: The quality of the study design and data reporting in human trials dealing with the inter-individual variability in response to the consumption of plant bioactives is, in general, low. There is a lack of recommendations supporting the scientific community on this topic. This study aimed at developing a quality index to assist the assessment of the reporting quality of intervention trials addressing the inter-individual variability in response to plant bioactive consumption. Recommendations for better designing and reporting studies were discussed. METHODS: The selection of the parameters used for the development of the quality index was carried out in agreement with the scientific community through a survey. Parameters were defined, grouped into categories, and scored for different quality levels. The applicability of the scoring system was tested in terms of consistency and effort, and its validity was assessed by comparison with a simultaneous evaluation by experts' criteria. RESULTS: The "POSITIVe quality index" included 11 reporting criteria grouped into four categories (Statistics, Reporting, Data presentation, and Individual data availability). It was supported by detailed definitions and guidance for their scoring. The quality index score was tested, and the index demonstrated to be valid, reliable, and responsive. CONCLUSIONS: The evaluation of the reporting quality of studies addressing inter-individual variability in response to plant bioactives highlighted the aspects requiring major improvements. Specific tools and recommendations favoring a complete and transparent reporting on inter-individual variability have been provided to support the scientific community on this field.

Item Type:	Article
Faculty \ School:	Faculty of Medicine and Health Sciences > Norwich Medical School
Depositing User:	LivePure Connector
Date Deposited:	02 Oct 2019 12:30
Last Modified:	22 Oct 2022 05:17
URI:	https://ueaeprints.uea.ac.uk/id/eprint/72454
DOI:	10.1007/s00394-019-02069-3

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