Prototyping the Automated Food Imaging and Nutrient Intake Tracking System: Modified Participatory Iterative Design Sprint

Pfisterer, Kaylen J.; Boger, Jennifer; Wong, Alexander

doi:10.2196/13017

Cited by 13 publications

(17 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Some participants found it challenging to commit uninterrupted time to a web-based workshop while being locked down at home with their domestic or caring or home-schooling responsibilities. For comparison, face-to-face intervention design workshops have been reported with 14 participants in 5-day workshops [ 33 ] and 38 participants over 6 weeks [ 34 ].…”

Section: Discussionmentioning

confidence: 99%

Developing an Asthma Self-management Intervention Through a Web-Based Design Workshop for People With Limited Health Literacy: User-Centered Design Approach

et al. 2021

View full text Add to dashboard Cite

Background Technology, including mobile apps, has the potential to support self-management of long-term conditions and can be tailored to enhance adoption. We developed an app to support asthma self-management among people with limited health literacy in a web-based workshop (to ensure physical distancing during the COVID-19 pandemic). Objective The aim of this study is to develop and test a prototype asthma self-management mobile app tailored to the needs of people with limited health literacy through a web-based workshop. Methods We recruited participants from a primary care center in Malaysia. We adapted a design sprint methodology to a web-based workshop in five stages over 1 week. Patients with asthma and limited health literacy provided insights into real-life self-management issues in stage 1, which informed mobile app development in stages 2-4. We recruited additional patients to test the prototype in stage 5 using a qualitative research design. Participants gave feedback through a concurrent thinking-aloud process moderated by a researcher. Each interview lasted approximately 1 hour. Screen recordings of app browsing activities were performed. Interviews were audio-recorded and analyzed using a thematic approach to identify utility and usability issues. Results The stakeholder discussion identified four themes: individual, family, friends, and society and system levels. Five patients tested the prototype. Participants described 4 ways in which the app influenced or supported self-management (utility): offering information, providing access to an asthma action plan, motivating control of asthma through support for medication adherence, and supporting behavior change through a reward system. Specific usability issues addressed navigation, comprehension, and layout. Conclusions This study proved that it was possible to adapt the design sprint workshop to a web-based format with the added advantage that it allowed the development and the testing process to be done efficiently through various programs. The resultant app incorporated advice from stakeholders, including sources for information about asthma, medication and appointment reminders, accessible asthma action plans, and sources for social support. The app is now ready to move to feasibility testing.

show abstract

Section: Discussionmentioning

confidence: 99%

Developing an Asthma Self-management Intervention Through a Web-Based Design Workshop for People With Limited Health Literacy: User-Centered Design Approach

et al. 2021

View full text Add to dashboard Cite

show abstract

“…These are encouraging results for an adjacent application in LTC. Based on our previous work, however, in LTC it is desirable to have a higher level of detail including an intake breakdown for each item consumed (not averaged across a plate) 15 . This paper describes the final stage of pixel-wise food classification and nutrient linking through intake prediction for providing food and nutrient intake estimation specifically designed for LTC.…”

Section: Related Workmentioning

confidence: 99%

“…Data from interviews and a workshop with target end-users (e.g., primary users: nurses, personal support workers, RD; secondary users: directors/assistant directors of food services, dietary aids, neighbourhood coordinators, recreation team) as part of implementing participatory-iterative design provide additional insights beyond what was previously from the user study work described in 15 . These results were translated into design requirements to inform technical implementation, as described below.…”

Section: Design Requirements: a Case Study For Motivating Focus Areasmentioning

confidence: 99%

“…Measuring food intake is a proxy for nutritional status, however it provides a sense of why something might be going wrong (in combination with biomarkers). Better, more reliable measurements would enable more meaningful assessment of probing when, how, and why, something may be going wrong to better inform intervention strategies and care providers have expressed a desire to leverage higher quality data, provided they are reliable and trustworthy 15 .…”

Section: Introductionmentioning

confidence: 99%

“…Automated tools may provide a palatable solution which removes subjectivity and with higher accuracy than human assessors. This may also enable time efficient measurement of food intake at the energy, macro and micronutrient levels 15 . To estimate food intake and nutrient consumption, four main questions must be answered: where is there food (segmentation); which foods are present (classification); how much food was consumed (pre-, post-prandial volume estimation); and what was the estimated food and nutrient intake?…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Enhancing Food Intake Tracking in Long-Term Care with Automated Food Imaging and Nutrient Intake Tracking (AFINI-T) Technology

Pfisterer¹,

Amelard²,

Boger³

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

Half of long-term care (LTC) residents are malnourished increasing hospitalization, mortality, morbidity, with lower quality of life. Current tracking methods are subjective and time consuming. This paper presents the automated food imaging and nutrient intake tracking (AFINI-T) technology designed for LTC. We propose a novel convolutional autoencoder for food classification, trained on an augmented UNIMIB2016 dataset and tested on our simulated LTC food intake dataset (12 meal scenarios; up to 15 classes each; top-1 classification accuracy: 88.9%; mean intake error: -0.4 mL±36.7 mL). Nutrient intake estimation by volume was strongly linearly correlated with nutrient estimates from mass (r 2 0.92 to 0.99) with good agreement between methods (σ = −2.7 to −0.01; zero within each of the limits of agreement). The AFINI-T approach is a deep-learning powered computational nutrient sensing system that may provide a novel means for more accurately and objectively tracking LTC resident food intake to support and prevent malnutrition tracking strategies.

show abstract

Dietary assessment methods for measurement of oral intake in acute care and critically ill hospitalised patients: a scoping review

Ferguson,

Tatucu-Babet,

Amon

et al. 2023

Nutr. Res. Rev.

View full text Add to dashboard Cite

Quantification of oral intake within the hospital setting is required to guide nutrition care. Multiple dietary assessment methods are available, yet details regarding their application in the acute care setting are scarce. This scoping review, conducted in accordance with JBI methodology, describes dietary assessment methods used to measure oral intake in acute and critical care hospital patients. The search was run across four databases to identify primary research conducted in adult acute or critical care from 1st January 2000-15th March 2023 which quantified oral diet with any dietary assessment method. In total, 155 articles were included, predominantly from the acute care setting (n=153, 99%). Studies were mainly single-center (n=138, 88%) and of observational design (n=135, 87%). Estimated plate waste (n=59, 38%) and food records (n=42, 27%) were the most frequent assessment methods with energy and protein the main nutrients quantified (n=81, 52%). Validation was completed in 23 (15%) studies, with the majority of these using a reference method reliant on estimation (n=17, 74%). A quarter of studies (n=39) quantified completion (either as complete versus incomplete or degree of completeness) and four studies (2.5%) explored factors influencing completion. Findings indicate a lack of high-quality evidence to guide selection and application of existing dietary assessment methods to quantify oral intake with a particular absence of evidence in the critical care setting. Further validation of existing tools and identification of factors influencing completion is needed to guide the optimal approach to quantification of oral intake in both research and clinical contexts.

show abstract

Prototyping the Automated Food Imaging and Nutrient Intake Tracking System: Modified Participatory Iterative Design Sprint

Cited by 13 publications

References 46 publications

Developing an Asthma Self-management Intervention Through a Web-Based Design Workshop for People With Limited Health Literacy: User-Centered Design Approach

Developing an Asthma Self-management Intervention Through a Web-Based Design Workshop for People With Limited Health Literacy: User-Centered Design Approach

Enhancing Food Intake Tracking in Long-Term Care with Automated Food Imaging and Nutrient Intake Tracking (AFINI-T) Technology

Dietary assessment methods for measurement of oral intake in acute care and critically ill hospitalised patients: a scoping review

Contact Info

Product

Resources

About