Impact of eating rate on obesity and cardiovascular risk factors according to glucose tolerance status: the Fukuoka Diab

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Impact of eating rate on obesity and cardiovascular risk factors according to glucose tolerance status: the Fukuoka Diabetes Registry and the Hisayama Study T. Ohkuma & H. Fujii & M. Iwase & Y. Kikuchi & S. Ogata & Y. Idewaki & H. Ide & Y. Doi & Y. Hirakawa & N. Mukai & T. Ninomiya & K. Uchida & U. Nakamura & S. Sasaki & Y. Kiyohara & T. Kitazono

Received: 27 July 2012 / Accepted: 17 September 2012 / Published online: 13 October 2012 # Springer-Verlag Berlin Heidelberg 2012

Abstract Aims/hypothesis Medical nutrition therapy plays a critical role in the prevention and treatment of type 2 diabetes. However, appropriate measures of eating behaviours, such as eating rate, have not yet been clearly established. The aim of the present study was to examine the associations among eating rate, obesity and cardiovascular risk factors. Methods A total of 7,275 Japanese individuals aged ≥40 years who had normal fasting glucose levels, impaired fasting glucose or diabetes were divided into four groups T. Ohkuma : H. Fujii : M. Iwase (*) : Y. Kikuchi : S. Ogata : Y. Idewaki : H. Ide : Y. Doi : T. Ninomiya : U. Nakamura : T. Kitazono Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan e-mail: [email protected] M. Iwase Diabetes Centre, Hakujyuji Hospital, Fukuoka, Japan Y. Hirakawa : N. Mukai : Y. Kiyohara Department of Environmental Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan K. Uchida Department of Health Promotion, School of Health and Nutrition Science, Nakamura Gakuen University, Fukuoka, Japan S. Sasaki Department of Social and Preventive Epidemiology, School of Public Health, The University of Tokyo, Tokyo, Japan

according to self-reported eating rate: slow, medium, relatively fast and very fast. The associations between eating rate and various cardiovascular risk factors were investigated cross-sectionally. Results The proportions of participants who were obese or who had elevated waist circumference levels increased progressively with increases in eating rate (p for trend