本研究關注各年齡族群在健身行族群所具備營養知識和營養態度，進一步瞭解在日益盛行健身風潮中，三組年齡層對各種營養素認知是否存在環境因素而影響健康益處。目的：本研究旨在探討健身房不同年齡族群在營養知識和營養態度上之差異表。方法：本研究招募251名參與者，年齡介於20～65歲並在健身房持續健身一年以上，回收資料將參考2020年全球健身趨勢調查，調整後將年齡分成三組，分別為20～34歲、35～49歲、50～65歲將結果調查整理。實施營養知識和營養態度量表，藉以比較不同年齡層成年人在營養變項上之差異與變項間的關聯性。本研究以描述性統計、獨立樣本單因子變異數分析(ANOVA) 、皮爾森積差相關分析(Pearson Correlation) ，瞭解不同健身族群在營養知識與態度之間關係結果：在十二子項中，有兩項達顯著，為蛋白質子項(p = .022*）、蔬菜子項 （p = .047*），50～65歲組別在蛋白質得分上高於其他組別，顯示50～65歲組別對於題項中蛋白質來源、肌肉能量的來源有較高理解性，20～34歲組別。在蔬菜構面方面，三組年齡層顯示20～34歲組別得分最高，此構面題項含有許多食品科學與營養原則相關，顯示年輕人對於食品科學應用在食品上之接受力，資訊力較佳。三組營養知識與態度得分以中高齡組別營養知識最佳，越年輕結果顯示營養知識與態度略差。結論：20～34歲年輕族群在營養知識資訊力較強，比50～65歲組別有較佳優勢。50～65歲在健康有益食物、功能性食品、鈣、蛋白質、脂肪上有良好的營養知識，且年齡組別越高營養知識越好，營養態度越佳。年輕運動族群愛好健身與訓練肌力卻無法體現在營養知識認知上是值得注意的。

The purpose of this study was to explore the nutritional knowledge and nutritional attitudes in the adults who used to exercise and train in the gym. A total number of 251 participants, aged between 25-65 with over 1 year of gym exercise experience, were recruited as samples. They were divided into 3 groups, including aged 20-34, 35-49, and 50-65 years, based on the research method of 2020 Global Fitness Trend. The differences and relationships of the nutritional knowledge and nutritional attitudes among the three groups were examined using independent samples of one-way ANOVA and Pearson Correlation in this study. The results showed that among the 12 sub-variables in the nutritional knowledge questionnaire, there were two indices achieved significant difference amomg the three groups, with the scores of the protein (p = .022) and vegetables（p = .047）for the 50-65 and 20-30 age groups, respectively, being significantly higher than the other two groups. These findings revealed that the 50-65 age group had a better understanding regarding the source of protein and the source of muscle strength, whereas the 20-34 age group had better access to food knowledge and food science. In addition, the 50-60 age group showed the best nutritional knowledge and nutritional attitudes. On contrary, the younger the age group, the less nutritional knowledge. The present findings suggested that although the young group perform exercising and training more regularly, however, it is worth noting that this group tends to ignore the importance of nutritional knowledge.

一、中文部分
教育部體育署109年運動現況調查成果發表記者會，防疫有成快樂運動 多元運動i臺灣
資料網站：https://www.sa.gov.tw/News/NewsDetail?Type=3&id=3053&n=92
台灣趨勢研究報告2018運動服務業發展趨勢
資料網站：https://www.twtrend.com/download/0/94/
中華民國有氧體能運動協會 (2001) 。臺灣健身房（體適能中心）設施及管理之研究。
行政院體育委員會(現為教育部體育署)委託之專題研究成果報告(編號：NCPFS-FAC-089-002)。臺北市：教育部。
二、外文部分
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