进食速度与脂肪分布及体型的关联在不同年龄组和肥胖状况中有所不同。
Associations of eating speed with fat distribution and body shape vary in different age groups and obesity status.
作者信息
Ni Saili, Jia Menghan, Wang Xuemiao, Hong Yun, Zhao Xueyin, Zhang Liang, Ru Yuan, Yang Fei, Zhu Shankuan
机构信息
The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, Zhejiang, China.
Chronic Disease Research Institute, The Children's Hospital, and National Clinical Research Center for Child Health, School of Public Health, School of Medicine, Zhejiang University, 866 Yu-hang-tang Road, Hangzhou, 310058, Zhejiang, China.
出版信息
Nutr Metab (Lond). 2022 Sep 13;19(1):63. doi: 10.1186/s12986-022-00698-w.
BACKGROUND
Eating speed has been reported to be associated with energy intake, body weight, waist circumference (WC), and total body fat. However, no study has explored the association between eating speed and body fat distribution, especially its difference among different age or body mass index (BMI) groups.
METHODS
4770 participants aged 18-80 years were recruited from the baseline survey of the Lanxi Cohort Study. They were categorized into three groups according to meal duration. Linear regression analyses were performed among all participants and separately by age group and obesity status to evaluate the associations of WC and total and regional fat mass percentages (FM%) with eating speed.
RESULTS
After adjusting for confounding factors, eating slowly was significantly related to lower WC, lower total, trunk, and android FM%, lower android-to-gynoid fat mass ratio, and higher leg and gynoid FM%. After stratification by age or obesity status, the associations were especially prominent among participants aged 18-44 years or those with BMI < 24 kg/m. No significant trends were found for participants aged 65-80 years or those who were overweight/obese.
CONCLUSIONS
Eating slowly is closely related with better fat distribution among Chinese adults, especially for those aged 18-44 years and those with BMI < 24 kg/m. If confirmed prospectively, it might be a potential efficient approach to improve fat distribution.
背景
据报道，进食速度与能量摄入、体重、腰围（WC）和全身脂肪有关。然而，尚无研究探讨进食速度与体脂分布之间的关联，尤其是不同年龄或体重指数（BMI）组之间的差异。
方法
从兰溪队列研究的基线调查中招募了4770名年龄在18 - 80岁的参与者。根据用餐时间将他们分为三组。在所有参与者中以及按年龄组和肥胖状况分别进行线性回归分析，以评估WC、全身及局部脂肪量百分比（FM%）与进食速度之间的关联。
结果
在调整混杂因素后，进食缓慢与较低的WC、较低的全身、躯干和男性型FM%、较低的男性型与女性型脂肪量比值以及较高的腿部和女性型FM%显著相关。按年龄或肥胖状况分层后，这种关联在18 - 44岁的参与者或BMI < 24 kg/m²的参与者中尤为突出。在65 - 80岁的参与者或超重/肥胖者中未发现显著趋势。
结论
进食缓慢与中国成年人更好的脂肪分布密切相关，尤其是对于18 - 44岁的成年人以及BMI < 24 kg/m²的人。如果前瞻性研究得到证实，这可能是改善脂肪分布的一种潜在有效方法。
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