期刊
NUTRIENTS
卷 14, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/nu14030417
关键词
image-based food record; dietary assessment; low and lower middle-income countries; dietary intake; technology
Due to advancements in technology, image-based food record methods have the potential to improve dietary intake assessment by nutritionists in urban areas. A study conducted in Tanzania found that a new voice and image-based dietary assessment system (VISIDA) was feasible and easy to use. Participants showed positive attitudes towards the system and provided suggestions for further improvement.
Due to global advances in technology, image-based food record methods have emerged as an alternative to traditional assessment methods. The use of image-based food records in low and lower-middle income countries such as Tanzania is limited, with countries still using traditional methods. The current study aimed to determine the feasibility of using a new voice and image-based dietary assessment system (VISIDA) in Dar es Salaam, Tanzania. This mixed-method study recruited 18 nutritionists as participants who collected image-based records of food and drinks they consumed using the VISIDA smartphone app. Participants viewed an online demonstration of the VISIDA web platform and the analysis process for intake data collected using the VISIDA app. Then, participants completed an online survey and were interviewed about the VISIDA app and web platform for food and nutrient intake analysis. The method was reported as being acceptable and was found to be easy to use, although technical challenges were experienced by some participants. Most participants indicated a willingness to use the VISIDA app again for one week or longer and were interested in using the VISIDA system in their current role. Participants acknowledged that the VISIDA web platform would simplify some aspects of their current job. Image-based food records could potentially be used in Tanzania to improve the assessment of dietary intake by nutritionists in urban areas. Participants recommended adding sound-on notifications, using the VISIDA app in both Apple and Android phones, enabling installation from the app store, and improving the quality of the fiducial markers.
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