Relationship between word of mouth and information about gluten-free foods on online sales sites
We conducted quantitative content analysis of the relationship between word-of-mouth and information about gluten-free foods posted on gluten-free food online sales sites. We identified four reasons for purchasing gluten-free foods: as part of a lifestyle, as an alternative food for people with alle...
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| Published in | Journal for the Integrated Study of Dietary Habits Vol. 34; no. 4; pp. 183 - 191 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English Japanese |
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THE JAPAN ASSOCIATION FOR THE INTEGRATED STUDY OF DIETARY HABITS
2024
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| Abstract | We conducted quantitative content analysis of the relationship between word-of-mouth and information about gluten-free foods posted on gluten-free food online sales sites. We identified four reasons for purchasing gluten-free foods: as part of a lifestyle, as an alternative food for people with allergies, to restrict carbohydrate intake, and to lose weight. Word-of-mouth information from customers who are trying to adopt a gluten-free diet as part of their lifestyle were more likely to appear on sites that provide information about gluten-free (p ＜ 0.01) options. In the case of using gluten-free foods as an alternative food for people with allergies, word-of-mouth information from customers was more likely to appear on sites that provided information about allergen contamination and management methods at manufacturing locations (p ＜ 0.01). On internet sales sites that provide information on carbohydrate restriction, there was a lot of word-of-mouth information from people who purchased the product for the purpose of restricting their carbohydrate intake (p ＜ 0.01). Word-of-mouth information from people who purchased the product for losing weight were more likely to be posted on sites that listed the low-calorie and appetite-suppressant benefits of gluten-free foods (p ＜ 0.01). Our findings suggest that the information on gluten-free food online sales sites has an influence on customers. |
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| AbstractList | We conducted quantitative content analysis of the relationship between word-of-mouth and information about gluten-free foods posted on gluten-free food online sales sites. We identified four reasons for purchasing gluten-free foods: as part of a lifestyle, as an alternative food for people with allergies, to restrict carbohydrate intake, and to lose weight. Word-of-mouth information from customers who are trying to adopt a gluten-free diet as part of their lifestyle were more likely to appear on sites that provide information about gluten-free (p ＜ 0.01) options. In the case of using gluten-free foods as an alternative food for people with allergies, word-of-mouth information from customers was more likely to appear on sites that provided information about allergen contamination and management methods at manufacturing locations (p ＜ 0.01). On internet sales sites that provide information on carbohydrate restriction, there was a lot of word-of-mouth information from people who purchased the product for the purpose of restricting their carbohydrate intake (p ＜ 0.01). Word-of-mouth information from people who purchased the product for losing weight were more likely to be posted on sites that listed the low-calorie and appetite-suppressant benefits of gluten-free foods (p ＜ 0.01). Our findings suggest that the information on gluten-free food online sales sites has an influence on customers. |
| Author | Ogura, Yuko Ogino, Ai Shobayashi, Megumi Sumida, Naoko |
| Author_xml | – sequence: 1 fullname: Shobayashi, Megumi organization: Department of Lifestyle Design, Faculty of Human Ecology, Yasuda Women's University – sequence: 2 fullname: Ogino, Ai organization: Department of Nutritional Sciences, Faculty of Human Ecology, Yasuda Women's University – sequence: 3 fullname: Sumida, Naoko organization: Department of Nutritional Sciences, Faculty of Human Ecology, Yasuda Women's University – sequence: 4 fullname: Ogura, Yuko organization: Department of Nutritional Sciences, Faculty of Human Ecology, Yasuda Women's University |
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| References | 5) 庄林愛，小倉有子，神田雅子，加藤奈々，秦沙知，伊賀大八，井上好文：女子大学生のグルテンフリー食に関する認知度および期待する効果を評価指標とした食生活リテラシーに影響を与える要因の解析, 日本食育学会誌, 13（2）, 113-122（2019） 24) 日本通信販売協会：ネット通販に関する消費者実態調査2013, https://www.jadma.or.jp/tsuhan-kenkyujo/files/jadma-report_2013_10.pdf. （2023年7月8日閲覧） 10) Berti C, Riso P, Monti LD, et al.: In vitro starch digestibility and in vivo glucose response of gluten-free foods and their gluten counterparts, Eur J Nutr, 43, 198-204 (2004 13) 小倉有子，庄林愛：過剰なグルテン除去が与える影響について, 安田女子大学紀要, 49, 297-304（2021） 2) 天野了一：ネットショップ：その誕生とインパクト, 社会科学, 49（4）, 67-94（2020） 7) 小倉有子，秦沙知，神田雅子，加藤奈々，庄林愛：栄養士・管理栄養士におけるグルテンフリー食の知名度と理解度, 日本病態栄養学会誌, 23（2）, 199-203（2020） 18) 樋口耕一：動かして学ぶ！ 初めてのテキストマイニング―フリー・ソフトウエアを用いた自由記述の計量テキスト分析―, ナカニシヤ出版, 京都（2022） 15) The Gluten-Free Certification Organization (GFCO), https://gfco.org/ （2023年9月22日閲覧） 1) 経済産業省：令和3年度 電子商取引に関する市場調査 報告書, https://www.meti.go.jp/press/2022/08/20220812005/20220812005-h.pdf. （2023年7月23日閲覧） 9) Johnston CS, Snyder D, Smith C: Commercially available gluten-free pastas elevate postprandial glycemia in comparison to conventional wheat pasta in healthy adults: a double-blind randomized crossover trial, Food Funct, 8, 3139-3144 (2017 14) 庄林愛，荻野愛，住田尚子，小倉有子：インターネット販売サイト上のグルテンフリー食品に関するクチコミから推定される購入動機, 安田学術研究論集, 53, 57-64（2023） 29) Fry L, Madden AM, Fallaize R: An investigation into the nutritional composition and cost of gluten-free versus regular food products in the UK, Journal of human nutrition and dietetics, 31 (1), 108-120 (2018 8) Hensel K: Gluten free without the sacrifice, Foodtechnol, 69, 20-31 (2015 6) 庄林愛，小倉有子，伊賀大八，井上好文：製パン関連企業勤務者におけるグルテンフリー食の認知度, 安田女子大学紀要, 47, 219-228（2019） 16) 神代：らくれびゅ, Vector, https://www.vector.co.jp/soft/dl/winnt/net/se489506.html（2023年3月10日閲覧） 4) 総務省：令和3年度情報通信白書, https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/r03/pdf/index.html（2023年7月23日閲覧） 23) 神奈川芳行，海老澤元宏，今村知明：食物アレルギー患者の家族における食品購買行動と食品の情報提供に関する実態調査結果について。日本小児アレルギー学会誌, 19（1）, 69-77（2005） 28) 中嶋康博：食の安全性とフードシステム, フードシステム研究, 6（2）, 83-95（1999） 21) Codex: Standard for Foods for Special Dietary Use for Persons Intolerant to Gluten CXS 118-1979, https://www.fao.org/fao-who-codexalimentarius/codex-texts/List-standards/ell/ （2023年7月8日閲覧） 11) Zong G, Lebwohl B, et al.: Gluten intake and risk of type 2 diabetes in three large prospective cohort studies of US men and women, Diabetologia, 61, 2164-2173 (2018 3) 庄林愛，小倉有子：グルテンフリー食品のインターネット販売における実態と課題, 日本食生活学会誌, 31（2）, 85-91（2020） 26) 谷口葉子：食品の品質基準と評判均衡 有機農産物を事例として, 農林業問題研究, 41（1）, 145-149（2005） 22) Coeliac UK: Live gluten free, https://www.coeliac.org.uk/home/ （2023年7月8日閲覧） 12) Wendy Marcason: Is There Evidence to Support the Claim that a Gluten-Free Diet Should Be Used for Weight Loss?, Journal of the American Dietetic Association, 111 (11), 1786 (2011 30) Burden M, Mooney PD, Blanshard RJ, White WL, Cambray-Deakin, DR, Sanders, DS: Cost and availability of gluten-free food in the UK: in store and online, Postgraduate medical journal, 91 (1081), 622-626 (2015 27) 茂野隆一：食料消費行動分析の新展開, フードシステム研究, 19（2）, 37-45（2012） 17) 樋口耕一：社会調査のための計量テキスト分析―内容分析の継承と発展を目指して―第2版, ナカニシヤ出版, 京都（2020） 20) FDA: Gluten and Food Labeling, https://www.fda.gov/food/nutrition-education-resources-materials/gluten-and-food-labeling （2023年7月8日閲覧） 25) 大浦裕二：消費者の青果物購買行動の特質に関する理論的考察, 農林業問題研究, 40（1）, 234-237（2004） 19) KDDIエボルバ：EC・通販ユーザー動向調査レポート2021年度版, https://info.k-evolva.com/public/application/add/194（2023年7月8日閲覧） 22 23 24 25 26 27 28 29 30 10 11 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 20 21 |
| References_xml | – reference: 30) Burden M, Mooney PD, Blanshard RJ, White WL, Cambray-Deakin, DR, Sanders, DS: Cost and availability of gluten-free food in the UK: in store and online, Postgraduate medical journal, 91 (1081), 622-626 (2015) – reference: 14) 庄林愛，荻野愛，住田尚子，小倉有子：インターネット販売サイト上のグルテンフリー食品に関するクチコミから推定される購入動機, 安田学術研究論集, 53, 57-64（2023） – reference: 26) 谷口葉子：食品の品質基準と評判均衡 有機農産物を事例として, 農林業問題研究, 41（1）, 145-149（2005） – reference: 21) Codex: Standard for Foods for Special Dietary Use for Persons Intolerant to Gluten CXS 118-1979, https://www.fao.org/fao-who-codexalimentarius/codex-texts/List-standards/ell/ （2023年7月8日閲覧） – reference: 12) Wendy Marcason: Is There Evidence to Support the Claim that a Gluten-Free Diet Should Be Used for Weight Loss?, Journal of the American Dietetic Association, 111 (11), 1786 (2011) – reference: 3) 庄林愛，小倉有子：グルテンフリー食品のインターネット販売における実態と課題, 日本食生活学会誌, 31（2）, 85-91（2020） – reference: 5) 庄林愛，小倉有子，神田雅子，加藤奈々，秦沙知，伊賀大八，井上好文：女子大学生のグルテンフリー食に関する認知度および期待する効果を評価指標とした食生活リテラシーに影響を与える要因の解析, 日本食育学会誌, 13（2）, 113-122（2019） – reference: 2) 天野了一：ネットショップ：その誕生とインパクト, 社会科学, 49（4）, 67-94（2020） – reference: 11) Zong G, Lebwohl B, et al.: Gluten intake and risk of type 2 diabetes in three large prospective cohort studies of US men and women, Diabetologia, 61, 2164-2173 (2018) – reference: 1) 経済産業省：令和3年度 電子商取引に関する市場調査 報告書, https://www.meti.go.jp/press/2022/08/20220812005/20220812005-h.pdf. （2023年7月23日閲覧） – reference: 9) Johnston CS, Snyder D, Smith C: Commercially available gluten-free pastas elevate postprandial glycemia in comparison to conventional wheat pasta in healthy adults: a double-blind randomized crossover trial, Food Funct, 8, 3139-3144 (2017) – reference: 13) 小倉有子，庄林愛：過剰なグルテン除去が与える影響について, 安田女子大学紀要, 49, 297-304（2021） – reference: 29) Fry L, Madden AM, Fallaize R: An investigation into the nutritional composition and cost of gluten-free versus regular food products in the UK, Journal of human nutrition and dietetics, 31 (1), 108-120 (2018) – reference: 22) Coeliac UK: Live gluten free, https://www.coeliac.org.uk/home/ （2023年7月8日閲覧） – reference: 25) 大浦裕二：消費者の青果物購買行動の特質に関する理論的考察, 農林業問題研究, 40（1）, 234-237（2004） – reference: 18) 樋口耕一：動かして学ぶ！ 初めてのテキストマイニング―フリー・ソフトウエアを用いた自由記述の計量テキスト分析―, ナカニシヤ出版, 京都（2022） – reference: 7) 小倉有子，秦沙知，神田雅子，加藤奈々，庄林愛：栄養士・管理栄養士におけるグルテンフリー食の知名度と理解度, 日本病態栄養学会誌, 23（2）, 199-203（2020） – reference: 4) 総務省：令和3年度情報通信白書, https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/r03/pdf/index.html（2023年7月23日閲覧） – reference: 20) FDA: Gluten and Food Labeling, https://www.fda.gov/food/nutrition-education-resources-materials/gluten-and-food-labeling （2023年7月8日閲覧） – reference: 16) 神代：らくれびゅ, Vector, https://www.vector.co.jp/soft/dl/winnt/net/se489506.html（2023年3月10日閲覧） – reference: 19) KDDIエボルバ：EC・通販ユーザー動向調査レポート2021年度版, https://info.k-evolva.com/public/application/add/194（2023年7月8日閲覧） – reference: 24) 日本通信販売協会：ネット通販に関する消費者実態調査2013, https://www.jadma.or.jp/tsuhan-kenkyujo/files/jadma-report_2013_10.pdf. （2023年7月8日閲覧） – reference: 15) The Gluten-Free Certification Organization (GFCO), https://gfco.org/ （2023年9月22日閲覧） – reference: 23) 神奈川芳行，海老澤元宏，今村知明：食物アレルギー患者の家族における食品購買行動と食品の情報提供に関する実態調査結果について。日本小児アレルギー学会誌, 19（1）, 69-77（2005） – reference: 6) 庄林愛，小倉有子，伊賀大八，井上好文：製パン関連企業勤務者におけるグルテンフリー食の認知度, 安田女子大学紀要, 47, 219-228（2019） – reference: 27) 茂野隆一：食料消費行動分析の新展開, フードシステム研究, 19（2）, 37-45（2012） – reference: 10) Berti C, Riso P, Monti LD, et al.: In vitro starch digestibility and in vivo glucose response of gluten-free foods and their gluten counterparts, Eur J Nutr, 43, 198-204 (2004) – reference: 17) 樋口耕一：社会調査のための計量テキスト分析―内容分析の継承と発展を目指して―第2版, ナカニシヤ出版, 京都（2020） – reference: 8) Hensel K: Gluten free without the sacrifice, Foodtechnol, 69, 20-31 (2015) – reference: 28) 中嶋康博：食の安全性とフードシステム, フードシステム研究, 6（2）, 83-95（1999） – ident: 2 – ident: 18 – ident: 4 – ident: 29 doi: 10.1111/jhn.12502 – ident: 16 – ident: 23 doi: 10.3388/jspaci.19.69 – ident: 14 – ident: 26 doi: 10.7310/arfe1965.41.145 – ident: 28 doi: 10.5874/jfsr.6.2_83 – ident: 9 doi: 10.1039/C7FO00099E – ident: 3 doi: 10.2740/jisdh.31.2_85 – ident: 24 – ident: 7 – ident: 20 – ident: 22 – ident: 17 – ident: 5 – ident: 25 doi: 10.7310/arfe1965.40.234 – ident: 1 – ident: 19 – ident: 13 – ident: 15 – ident: 6 – ident: 8 – ident: 10 doi: 10.1007/s00394-004-0459-1 – ident: 11 doi: 10.1007/s00125-018-4697-9 – ident: 12 doi: 10.1016/j.jada.2011.09.030 – ident: 21 – ident: 27 doi: 10.5874/jfsr.19.37 – ident: 30 doi: 10.1136/postgradmedj-2015-133395 |
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