The goal of this study is to test whether a longer meal duration could improve the diet quality of children. To answer this question we want to take an experimental approach by implementing a longer family meal duration to examine differences in children's eating behavior. The family dinner within a laboratory setting will be video taped and the main outcome is children's fruit and vegetables consumption.
Parent-child pairs have two dinner in a laboratory setting. The study design is a within-subject design: In the control condition they have as much time as they usual. In the intervention condition they have 50% more time than usual. Order of the two condition is counter balanced. The lab dinner reflects a typical German dinner which consists of bread, cheese, cold meat and fruits and vegetables. Additionally a dessert is served after the main meal. The foods served reflect food preferences of the child. All dinners are video taped. Key outcome variables are consumption of fruits and vegetables, dessert, eating rate and amount time engaged in positive and negative social interaction
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
TRIPLE
Enrollment
50
Participants have 50% more time to eat than usual
Max Planck Institute for Human Development
Berlin, Germany
Food consumption
The lab dinner is video taped. Consumption of fruits, vegetables, bread, cheese, cold meat and dessert (cookies or pudding), drinks (water, or milk, or juice) are coded by two independent rater.
Time frame: Food intake is measured during the lab meal
Social interactions: positive and negative communication
The lab dinner is video taped. Social interactions are coded according to the ABC family mealtime coding system by Fiese, Winter \& Botti, 2011.
Time frame: Social interaction is measured during the lab meal
Eating rate
Bites per minute coded from video tapes
Time frame: From the start to the end of the meal (about 20-30 minutes)
Hunger
Hunger rating scale (ranging from 1= I am really hungry to 5 = I am not hungry at all)
Time frame: Participants filled out a questionnaire 5 minutes after the lab dinner
Atmosphere
Atmosphere rating scale (ranging from 1= very negative to 5 = very positive)
Time frame: Participants filled out a questionnaire 5 minutes after the lab dinner
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