J Acad Nutr Diet. 2018 Jul;118(7):1220-1227.e3. doi: 10.1016/j.jand.2017.08.012. Epub 2017 Oct 26.
Healthy eating blogs are knowledge translation tools used by nutrition and dietetics practitioners for helping people improve their health behaviors and food choices.
Our aim was to explore women's perceptions of the usefulness and ease of use of healthy eating blog (HEB) characteristics that might increase potential users' intention to use them as tools to improve their dietary habits.
We conducted qualitative research using semi-structured individual interviews.
Thirty-three women (mean age of 44 years; range=27 to 61 years) living in the Quebec City, Canada, metropolitan area were studied.
Four existing HEBs, written by French-Canadian registered dietitians (RDs) whose main objective was the promotion of a healthy diet, were explored by women during individual interviews. A standardized open-ended interview questionnaire based on the Technology Acceptance Model was used to identify women's perceptions about characteristics of type of blog content delivery, RD blogger's delivery of information, blog layout, and blog design.
Women's perceptions toward the contribution of HEB characteristics to the usefulness and ease of use of those tools to improve their dietary habits were measured.
Interviews were audiorecorded, transcribed verbatim, coded, and analyzed through an inductive content analysis using NVivo software.
The most useful characteristics of type of blog content delivery identified by women were recipes, hyperlinks, and references. Among characteristics of RD blogger's delivery of information, most women reported that interaction between blog readers and the RD blogger created a sense of proximity and of connection that was helpful for improving their dietary behaviors. Women's perceptions toward various characteristics of blog layout and design were also discussed.
Incorporating specific characteristics when designing HEBs should be considered by RDs and future research to promote the use of those tools to support dietary behavior change efforts of internet users.
健康饮食博客是营养和饮食学从业者用于帮助人们改善健康行为和食物选择的知识转化工具。
本研究旨在探讨女性对可能增加潜在用户使用健康饮食博客（HEB）工具来改善饮食习惯的意图的有用性和易用性的看法。
我们采用半结构化个体访谈进行定性研究。
33 名居住在加拿大魁北克市大都市区的女性（平均年龄 44 岁；范围 27 至 61 岁）参与了研究。
女性在个体访谈中探索了 4 个由法裔加拿大注册营养师（RD）撰写的现有 HEB，其主要目的是促进健康饮食。使用基于技术接受模型的标准化开放式访谈问卷，以确定女性对博客内容传递类型、RD 博主信息传递、博客布局和设计特征的看法。
测量女性对 HEB 特征对提高饮食习惯有用性和易用性的看法。
访谈进行了录音、逐字转录、编码，并使用 NVivo 软件通过归纳内容分析进行分析。
女性认为最有用的博客内容传递类型特征是食谱、超链接和参考文献。在 RD 博主信息传递特征中，大多数女性报告说博客读者与 RD 博主之间的互动创造了一种亲近感和联系感，这有助于改善他们的饮食行为。还讨论了女性对各种博客布局和设计特征的看法。
RD 应考虑在设计 HEB 时纳入特定特征，并进行未来研究，以促进这些工具的使用，支持互联网用户的饮食行为改变努力。
