Claire Pettitt

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The prevalence of obesity worldwide presents a great challenge to existing healthcare systems. There is a general need for pervasive monitoring of the dietary behaviour of those who are at risk of co-morbidities. Currently, however, there is no accurate method of assessing the nutritional intake of people in their home environment. Traditional methods(More)
Accurate estimation of daily total energy expenditure (EE)is a prerequisite for assisted weight management and assessing certain health conditions. The use of wearable sensors for predicting free-living EE is challenged by consistent sensor placement, user compliance, and estimation methods used. This paper examines whether a single ear-worn accelerometer(More)
A major limitation in nutritional science is the lack of understanding of the nutritional intake of free-living people. There is an inverse relationship between accuracy of reporting of energy intake by all current nutritional methodologies and body weight. In this pilot study we aim to explore whether using a novel lightweight, wearable micro-camera(More)
Dietary fluctuations of vitamin K are detrimental to oral anticoagulant control. Attempts to improve control through the avoidance of vitamin K-rich foods (mainly green vegetables) may inadvertently compromise folate status, itself a risk factor for thromboembolism. We evaluated the effect of a 6-month period of warfarin therapy on folate status in 114(More)
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