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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.
摘要：
本研究旨在翻译，文化适应,并验证巴西运动员的“运动知识营养问卷(NSKQ)”。NSKQ是一个澳大利亚工具，由87个问题组成，分为六个子部分(重量控制，大量营养素，微量营养素,运动营养,补充,和酒精）旨在评估运动员的营养知识（NK）。翻译过程遵循了世界卫生组织关于翻译和改编文书的建议。语义验证涉及一组专家(n=21)，随后由一组来自各种运动的成年巴西运动员进行评估（n=17）。通过重测方法对来自不同运动项目的成年巴西运动员（n=29）的样本进行了问卷的可重复性和内部一致性评估。他完成了巴西版的NSKQ（NSKQ-BR）。总的来说,NSKQ-BR表现出良好的内部一致性(α=0.95)和可重复性(组内相关系数(ICC)=0.85)。“运动营养”和“酒精”因子具有中等可重复性（ICC=0.74（0.46-0.88）和ICC=0.68（0.33-0.85），分别)。大多数运动员（n=17；58.6％）的NK得分中等（50-65％）。NSKQ-BR可用于评估巴西运动员的NK水平。NSKQ-BR具有很高的内部一致性和可重复性，验证其在不同运动项目的成年运动员中的适用性。
