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The use of wearable cameras in assessing children's dietary intake and behaviours in China

Zhou, Qianling, Wang, Di, Ní Mhurchú, Cliona orcid logoORCID: 0000-0002-1144-9167, Gurrin, Cathal orcid logoORCID: 0000-0003-2903-3968, Zhou, Jiang, Cheng, Yu and Wang, Haijun (2019) The use of wearable cameras in assessing children's dietary intake and behaviours in China. Appetite, 138 . pp. 1-7. ISSN 0195-6663

Abstract
The use of lifelogging device in dietary assessments can reduce misreporting and underreporting, which are common in the previous studies conventional methods. We performed the first study in Chinese children (primary school Grade 4) that applied the wearable cameras in assisting dietary recall. Children (n = 52) wore the wearable cameras (Narrative Clip 2) for seven consecutive days, during which they completed a 3-day 24-h dietary recall at home. Then children modified their dietary recalls at school by reviewing the photos taken by the wearable camera at school, with the assistance of the investigator, and generated the camera-assisted 24-h dietary recalls. Compared with camera-assisted dietary recalls, 8% (n = 160) and 1% (n = 11) of food items were underreported (i.e. not reported at all) and misreported (i.e. reported in an incorrect amount) by dietary recalls without camera-assistance, respectively. Dietary recalls without camera assistance underestimated daily energy intake by 149 ± 182 kcal/d (8%) in comparison to the camera-assisted dietary recalls. Foods consumed on the snacking occasions (40%) were more likely to be underreported than those consumed at main meals (P < 0.001). Beverages (37%), fruits (30%), snacks and desserts (16%) were foods most likely to be inaccurately reported. Children were satisfied with the wearable cameras, with a median score 5.0 (IQR: 5.0–5.0) for most features. Wearable cameras hold promise for improving accuracy of dietary intake assessment in children, providing rich objective information on dietary behaviours, and received high level of satisfaction and compliance of the users. Our results suggest that the accuracy of dietary recall among Chinse school-aged children could be improved by wearable camera, especially avoiding underreporting in the snacking occasions.
Metadata
Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:Wearable cameras; 24-H dietary recall; Children; Obesity
Subjects:Computer Science > Lifelog
Medical Sciences > Epidemiology
Medical Sciences > Health
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Research Initiatives and Centres > INSIGHT Centre for Data Analytics
Publisher:Elsevier
Official URL:https://doi.org/10.1016/j.appet.2019.03.032
Copyright Information:© 2019 Elsevier
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Beijing Natural Science Foundation (grant number 7162106), National Natural Science Foundation of China (grant number 81573170), Science Foundation Ireland
ID Code:23123
Deposited On:04 Apr 2019 15:11 by Cathal Gurrin . Last Modified 15 Dec 2021 15:54
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