Differences in eating behaviors and masticatory performances by gender and obesity status

Title
Differences in eating behaviors and masticatory performances by gender and obesity status
Author
신원선
Keywords
Eating rate; Gender differences; Masticatory performance; Obesity; Three-Factor Eating Questionnaire
Issue Date
2015-01
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
PHYSIOLOGY & BEHAVIOR, v. 138, Page. 69-74
Abstract
This study aimed to determine whether there might be differences in masticatory performance and eating behaviors by gender and obesity status. Forty eight (24 males; 24 females) non-obese and pre-obese young adults were matched for age, gender, and dental health. Eating behaviors were assessed using the Three-Factor Eating Questionnaire (TFEQ), and chewing performance while eating 152 g of boiled rice was measured using electromyography (EMG). Compared with non-obese participants, pre-obese participants had significantly higher levels of disinhibition according to the TFEQ (P < 0.05 for males; P < 0.01 for females). Microstructures of chewing performance were significantly different by gender but not by obesity status. Males had a greater bite size (P < 0.05), greater chewing power (P < 0.001) and a faster eating rate (P < 0.05) than females. Females habitually chewed more (P < 0.05) and had a longer meal duration (P < 0.01) than males. Eating rate was positively associated with disinhibition (r = 0.490, P < 0.05) score in males. Bite size (r = − 0.449, P < 0.05 for non-obese) and chewing power (r = − 0.581, P < 0.01 for non-obese and r = − 0.446, P < 0.05 for pre-obese) were negatively associated with disinhibition score. Results suggest that the effects of gender and, in part, obesity on eating responses may be explained as chewing performance. Therefore, gender-specific interventions and counseling aimed at slowing the rate of ingestion could be promising behavioral treatments for obese persons.
URI
http://hdl.handle.net/20.500.11754/21052http://www.sciencedirect.com/science/article/pii/S0031938414004661
ISSN
0031-9384
DOI
10.1016/j.physbeh.2014.10.001
Appears in Collections:
COLLEGE OF HUMAN ECOLOGY[S](생활과학대학) > FOOD & NUTRITION(식품영양학과) > Articles
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