Buscemi Joanna, Rybak Tiffany M, Berlin Kristoffer S, Murphy James G, Raynor Hollie A
Department of Psychology, DePaul University, Chicago, IL, 60614, USA.
Department of Psychology, University of Memphis, Memphis, TN, 38152, USA.
J Behav Med. 2017 Aug;40(4):565-573. doi: 10.1007/s10865-017-9824-4. Epub 2017 Jan 12.
The purpose of this study was to explore relations between food craving, caloric intake, and body mass index (BMI) changes over the course of an 18-month weight loss trial. Two-hundred two obese adults (mean BMI = 34.9 kg/m; mean age = 51.30 years, 92.2% White; 57.8% female) who participated in a behavioral weight loss trial completed measures of food craving, caloric intake, and BMI at baseline, 6 and 18 months. From baseline to 6 months, higher initial food cravings were associated with more gradual and less steep reductions in BMI. Additionally, the relation between changes in food craving and BMI changes varied by levels of change in caloric intake, such that BMI change and change in food cravings were positively associated at low levels of change in caloric intake, but were unrelated at average and high levels of change in caloric intake. Similarly, from baseline to 6 months and from 6 to 18 months, the relation between changes in food craving and BMI changes also varied by initial levels of caloric intake. Explicit clinical targeting of food craving management may be beneficial for individuals beginning weight loss programs, especially for those who report higher levels of food craving at baseline. Baseline caloric intake and change in calorie intake over time may serve as moderators of the relation between food cravings and BMI.
本研究的目的是探讨在一项为期18个月的减肥试验过程中,食物渴望、热量摄入与体重指数(BMI)变化之间的关系。202名肥胖成年人(平均BMI = 34.9kg/m²;平均年龄 = 51.30岁,92.2%为白人;57.8%为女性)参与了一项行为减肥试验,他们在基线、6个月和18个月时完成了食物渴望、热量摄入和BMI的测量。从基线到6个月,较高的初始食物渴望与BMI更缓慢、更平缓的下降相关。此外,食物渴望变化与BMI变化之间的关系因热量摄入变化水平而异,即在热量摄入低变化水平时,BMI变化与食物渴望变化呈正相关,但在热量摄入平均和高变化水平时两者无关。同样,从基线到6个月以及从6个月到18个月,食物渴望变化与BMI变化之间的关系也因初始热量摄入水平而异。对食物渴望管理进行明确的临床针对性干预可能对开始减肥计划的个体有益,特别是对于那些在基线时报告食物渴望水平较高的人。基线热量摄入和随时间的热量摄入变化可能是食物渴望与BMI之间关系的调节因素。