Effects of Energy Density and Energy Content of Pre-portioned entrées on Energy Intake
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 73
- 试验地点
- 2
- 主要终点
- Daily Energy Intake (kcal/day)
研究概览
简要总结
Pre-portioned entrées are commonly consumed to help control portion size and limit energy intake. Few studies, however, have investigated the influence of the characteristics of pre-portioned entrées on energy intake. This study investigates how the characteristics of solid pre-portioned entrées, specifically, variations in their energy content and energy density influence energy intake over a day. The investigators hypothesize that reducing the energy content and energy density of compulsory entrées will act independently and add together to reduce daily energy intake.
详细描述
This experiment uses a crossover design with repeated measures within subjects. One day a week for four weeks, participants are provided with all of their foods and beverages for breakfast, lunch, and dinner meals. Across test days, the entrée at each meal is varied in both energy content and energy density between a standard level (100%) and a reduced level (64% of the standard). Following consumption of a compulsory entrée, a variety of unmanipulated foods will be served for ad libitum consumption. The order of experimental conditions is counterbalanced across the subjects.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 盲法
- Single (Participant)
入排标准
- 年龄范围
- 19 Years 至 45 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •regularly eat three meals per day
- •do not smoke
- •do not have any food allergies or restrictions
- •are not athletes in training
- •are not dieting
- •are not taking medications that would affect appetite
- •are willing to consume the foods served in the test meals
排除标准
- •a score > 40 on the Zung scale
- •a score > 20 on the Eating Attitudes Test
- •reported known health problems
- •weight not maintained within 10 lb during the 6 months before the start of the study
结局指标
主要结局
Daily Energy Intake (kcal/day)
时间窗: 1 month
次要结局
未报告次要终点
研究者
Barbara J. Rolls
Professor of Nutrition and Director of the Laboratory for the Study of Human Ingestive Behavior
Penn State University