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Open AccessArticle

Consistency of Eating Rate, Oral Processing Behaviours and Energy Intake across Meals

1
Clinical Nutrition Research Centre (CNRC), Singapore Institute for Clinical Sciences (SICS), Agency for Science, Technology and Research (A*STAR), National University Health System, Singapore 117599, Singapore
2
Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore
*
Author to whom correspondence should be addressed.
Nutrients 2017, 9(8), 891; https://doi.org/10.3390/nu9080891
Received: 27 June 2017 / Revised: 3 August 2017 / Accepted: 8 August 2017 / Published: 17 August 2017
Faster eating has been identified as a risk factor for obesity and the current study tested whether eating rate is consistent within an individual and linked to energy intake across multiple meals. Measures of ad libitum intake, eating rate, and oral processing at the same or similar test meal were recorded on four non-consecutive days for 146 participants (117 male, 29 female) recruited across four separate studies. All the meals were video recorded, and oral processing behaviours were derived through behavioural coding. Eating behaviours showed good to excellent consistency across the meals (intra-class correlation coefficients > 0.76, p < 0.001) and participants who ate faster took larger bites (β ≥ 0.39, p < 0.001) and consistently consumed more energy, independent of meal palatability, sex, body composition and reported appetite (β ≥ 0.17, p ≤ 0.025). Importantly, eating faster at one meal predicted faster eating and increased energy intake at subsequent meals (β > 0.20, p < 0.05). Faster eating is relatively consistent within individuals and is predictive of faster eating and increased energy intake at subsequent similar meals consumed in a laboratory context, independent of individual differences in body composition. View Full-Text
Keywords: eating rate; meal size; oral processing; consistency eating rate; meal size; oral processing; consistency
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McCrickerd, K.; Forde, C.G. Consistency of Eating Rate, Oral Processing Behaviours and Energy Intake across Meals. Nutrients 2017, 9, 891.

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