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运动员运动营养知识评估平台问卷:运动员用可靠、有效的电子运动营养知识问卷。

The Platform to Evaluate Athlete Knowledge of Sports Nutrition Questionnaire: a reliable and valid electronic sports nutrition knowledge questionnaire for athletes.

机构信息

Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW2141, Australia.

School of Sport Exercise and Nutrition, College of Health, Massey University, Auckland0632, New Zealand.

出版信息

Br J Nutr. 2021 Aug 28;126(4):561-571. doi: 10.1017/S0007114520004286. Epub 2020 Nov 4.

Abstract

Reliable and valid assessment of sports nutrition knowledge can inform athlete nutrition education to address knowledge gaps. This study aimed to test the reliability and validity of an electronically administered sports nutrition knowledge tool - Platform to Evaluate Athlete Knowledge of Sports Nutrition Questionnaire (PEAKS-NQ). A 94-item PEAKS-NQ was piloted to 149 developmental athletes (DA) in New Zealand, with a subset invited to complete the PEAKS-NQ again to assess reliability. Reliability was evaluated using sign test, intraclass correlation and Cronbach's α. Accredited sports dietitians (ASD; n 255) completed the PEAKS-NQ to establish construct validity via known-groups methodology and provided relevance scores to determine the scale content validity index (S-CVI). Rasch analysis was conducted to identify potentially problematic items and test reliability. Score differences between DA and ASD were analysed using independent t or non-parametric tests. DA (n 88) were 17·8 (sd 1·4) years, 61·4 % female and mostly in high school (94·3 %). ASD (n 45) were 37·8 (sd 7·6) years, 82·2 % female, with >5 years of dietetic experience (59·1 %). ASD scored higher than DA in all sections and overall (91·5 (sd 3·4) v. 67·1 (sd 10·5) %) (P < 0·001). There were no differences between retests (n 18; P = 0·14). Cronbach's α was 0·86. S-CVI indicated good content validity (0·88). Rasch analysis resulted in a fifty-item PEAKS-NQ with high item (0·91) and person (0·92) reliability. The PEAKS-NQ is reliable and valid for assessing sports nutrition knowledge which could assist practitioners effectively tailor and evaluate nutrition education.

摘要

可靠和有效的运动营养知识评估可以为运动员的营养教育提供信息,以弥补知识差距。本研究旨在测试一种电子管理的运动营养知识工具 - 评估运动员运动营养知识的平台问卷(PEAKS-NQ)的可靠性和有效性。对新西兰的 149 名发展运动员(DA)进行了 94 项 PEAKS-NQ 的试点,邀请其中一部分人再次完成 PEAKS-NQ 以评估可靠性。使用符号检验、组内相关和克朗巴赫的 α 来评估可靠性。认证的运动营养师(ASD;n=255)完成了 PEAKS-NQ,通过已知群体方法建立了结构有效性,并提供了相关性评分以确定量表内容有效性指数(S-CVI)。进行了 Rasch 分析以确定潜在的有问题的项目并测试可靠性。使用独立 t 检验或非参数检验分析 DA 和 ASD 之间的分数差异。DA(n=88)年龄为 17.8(标准差 1.4)岁,61.4%为女性,主要在高中(94.3%)。ASD(n=45)年龄为 37.8(标准差 7.6)岁,82.2%为女性,具有 >5 年的饮食经验(59.1%)。在所有部分和总体上,ASD 的得分均高于 DA(91.5(标准差 3.4)v. 67.1(标准差 10.5)%)(P<0.001)。重测之间没有差异(n=18;P=0.14)。克朗巴赫的 α 为 0.86。S-CVI 表明内容有效性良好(0.88)。Rasch 分析得出的结果是一个包含五十个项目的 PEAKS-NQ,具有较高的项目(0.91)和人员(0.92)可靠性。PEAKS-NQ 可靠且有效,可用于评估运动营养知识,这可以帮助从业者有效地调整和评估营养教育。

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