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Skip search results from other journals and go to results- 6 Journal of Medical Internet Research
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Current public health strategies that aim to address this challenge, for example, the United Kingdom’s 5-a-day campaign that encourages the consumption of at least 5 portions of a variety of fruits and vegetables daily [2] and the Eatwell Guide [3], are not personalized to individuals.
J Med Internet Res 2022;24(4):e29088
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Popular Nutrition-Related Mobile Apps: An Agreement Assessment Against a UK Reference Method
We entered the preexisting 24-hour WFRs into 5 nutrition-related mobile apps using a Samsung Galaxy Tab 4 tablet (Samsung Electronics Co, Ltd, Suwon, South Korea) or a Moto G smartphone (Motorola Mobility LLC, Chicago, IL, USA), using the app versions available in the UK Google Play Store (Google LLC, Mountain View, CA, USA) in January 2016. We compared these apps against a reference research method, Dietplan6.
JMIR Mhealth Uhealth 2019;7(2):e9838
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The analysis of BCTs used in the Food4 Me study was carried out in three phases: (1) phase I (a priori): conduct a scoping review to identify theoretically appropriate BCT well-described in previous work [9,10] that could be applied to dietary and PA behaviors, in a remote or internet-based intervention context, for potential use in the Food4 Me study; (2) phase II: develop a working BCT SOP for use by researchers in the Po P study, and train researchers at all Food4 Me centers; and (3) phase III (a posteriori):
JMIR Res Protoc 2018;7(4):e87
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A Web-Based Graphical Food Frequency Assessment System: Design, Development and Usability Metrics
Therefore, this paper presents both the technical design of a Web-based graphical food frequency assessment system and results from user testing, with an aim of making a contribution to the wider uptake of digital FFQs.
JMIR Hum Factors 2017;4(2):e13
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Popular Nutrition-Related Mobile Apps: A Feature Assessment
During the publication of a mobile app, a developer specifies in which stores—usually divided by countries—the app will be available. They also specify what device requirements (eg, versions of the operating system and mobile phone or tablet) are necessary in order to install the app. Searching for apps from a specific device in a particular country can alter the apps that appear available to the user.
JMIR Mhealth Uhealth 2016;4(3):e85
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The aim was to recruit a total of 1540 participants (220 participants per center) to allow for a potential 20% dropout rate, planned using a priori power calculation [25]. Power calculations were conducted in Minitab and based on glucose and omega-3 fatty acid concentrations within European adult populations [25].
J Med Internet Res 2016;18(6):e150
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Subjects were participants of the Food4 Me study, a 6-month, Web-based RCT on personalized nutrition and lifestyle conducted in 7 European countries—Germany, Greece, Ireland, the Netherlands, Poland, Spain, and the United Kingdom. As outlined elsewhere [18], 1607 adults aged ≥18 years were randomized to the study. Exclusion criteria included no or limited access to the Internet, following a prescribed diet, or having altered nutritional requirements because of a medical condition.
J Med Internet Res 2016;18(2):e30
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The device is small (3.2 × 3.2 × 0.5 cm), light (12.5 g), waterproof to a depth of 30 m, has a battery life of 3 weeks, and can record data for up to 22 weeks.
Participants activated the Tracmor D accelerometer by creating an account online, installing an app on their computer, and connecting the device to the computer using the USB adapter provided.
J Med Internet Res 2015;17(10):e231
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Ethical approval for the study was obtained from the School of Chemistry, Food and Pharmacy Research Ethics Committee, University of Reading, UK (01-12-Lovegrove).
Reproducibility of the Food4 Me FFQ was determined by asking participants to complete the questionnaire on 2 occasions 4 weeks apart, mimicking its application in the Food4 Me study.
J Med Internet Res 2014;16(8):e190
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Online Dietary Intake Estimation: The Food4Me Food Frequency Questionnaire
FFQs are also retrospective assessment tools and require respondents to report the frequency of consumption of a predefined list of foods over a prolonged period of time, typically the previous 6 or 12 months [7].
Internet availability and usage has increased globally over the past decade and, as a result, traditional methods of dietary assessment have been modified for online and electronic use in both research and industry [12].
J Med Internet Res 2014;16(6):e150
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