Título:	Translation and validation of the nutrition for sport knowledge questionnaire in Brazil (NSKQ-BR)
Autor(es):	Sousa, Jéssica Bianca Alves de Mendes, Guilherme Falcão Zandonadi, Renata Puppin Costa, Teresa Helena Macedo da Saunders, Bryan Reis, Caio Eduardo Gonçalves
ORCID:	https://orcid.org/0000-0002-6224-9333 https://orcid.org/0000-0003-4985-6996 https://orcid.org/0000-0003-0370-3089 https://orcid.org/0000-0002-3396-5058 https://orcid.org/0000-0003-0995-9077 https://orcid.org/0000-0001-7260-9497
Afiliação do autor:	Universidade de Brasília, School of Health Sciences, Department of Nutrition Catholic University of Brasília, Nutrition and Dietetics Graduate Program Universidade de Brasília, School of Health Sciences, Department of Nutrition Universidade de Brasília, School of Health Sciences, Department of Nutrition Universidade de São Paulo, Applied Physiology and Nutrition Research Group, School of Physical Education and Sport, Faculdade de Medicina FMUSP Universidade de São Paulo, Faculdade de Medicina FMUSP, Center of Lifestyle Medicine Nutrology Academy Universidade de Brasília, School of Health Sciences, Department of Nutrition
Assunto:	Atletas Nutrição esportiva Questionários Validação de instrumento
Data de publicação:	15-Jun-2024
Editora:	MDPI AG
Referência:	SOUSA, Jéssica et al. Translation and validation of the nutrition for sport knowledge questionnaire in Brazil (NSKQ-BR). Nutrients, [S. l.], v. 16, n. 12, 1891, 2024. DOI: https://doi.org/10.3390/nu16121891. Disponível em: https://doi.org/10.3390/nu16121891. Acesso em: 10 jun. 2026.
Abstract:	This study aimed to translate, culturally adapt, and validate “The Nutrition for Sport Knowledge Questionnaire (NSKQ)” for Brazilian athletes. The NSKQ is an Australian instrument composed of 87 questions divided into six subsections (weight control, macronutrients, micronutrients, sports nutrition, supplementation, and alcohol) designed to assess the nutritional knowledge (NK) of athletes. The translation process followed the recommendations of the World Health Organization for translating and adapting instruments. Semantic validation involved a panel of specialists (n = 21), followed by an assessment performed by a group of adult Brazilian athletes from various sports (n = 17). The reproducibility and internal consistency of the questionnaire were evaluated via a test–retest approach in a sample of adult Brazilian athletes (n = 29) from diverse sports, who completed the Brazilian version of the NSKQ (NSKQ-BR). Overall, the NSKQ-BR presented good internal consistency (α = 0.95) and reproducibility (intraclass correlation coefficient (ICC) = 0.85). The factors “sports nutrition” and “alcohol” showed moderate reproducibility (ICC = 0.74 (0.46–0.88) and ICC = 0.68 (0.33–0.85), respectively). Most athletes (n = 17; 58.6%) presented a medium NK score (50–65%). The NSKQ-BR is available to evaluate the NK levels of Brazilian athletes. The NSKQ-BR presented high internal consistency and reproducibility, validating its applicability among adult athletes across diverse sports.
DOI:	https://doi.org/10.3390/nu16121891
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