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Recent peer-reviewed observational evidence suggests that school children receive anywhere from 10-33 minutes of seated lunch time and that students with less time to eat discard higher amounts of milk, entrée (i.e. protein items), grains, and vegetables. This waste is a missed nutritional and food security opportunity and also negatively impacts the environment. The purpose of this study is to estimate the impact that lunch time constraints have on child food selection, consumption and waste behaviors using a crossover trial design, where the duration of seated lunch times are randomly allocated to be either 10 minutes or 20 minutes each day.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Shortened lunch period | Experimental | The amount of seated lunch time will be 10 minutes. |
|
| Longer lunch period | Experimental | The amount of seated lunch time will be 20 minutes. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Lunch period length | Behavioral | We are randomly allocating a 10 minute or 20 period of seated lunch time. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Food item selection | The type and number of school meal components selected by students to eat for lunch. | Ranges from 5 days to 20 days, depending upon how long each participant elects to enroll in the summer camp |
| Food item consumption | The weight of each school meal component that was consumed by each child during lunch. Each measured in grams. | Ranges from 5 days to 20 days, depending upon how long each participant elects to enroll in the summer camp |
| Food item waste | The weight of each school meal component that was discarded by each child during lunch. Each measured in grams. | Ranges from 5 days to 20 days, depending upon how long each participant elects to enroll in the summer camp |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Illinois | Urbana | Illinois | 61801 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 34156451 | Derived | Burg X, Metcalfe JJ, Ellison B, Prescott MP. Effects of Longer Seated Lunch Time on Food Consumption and Waste in Elementary and Middle School-age Children: A Randomized Clinical Trial. JAMA Netw Open. 2021 Jun 1;4(6):e2114148. doi: 10.1001/jamanetworkopen.2021.14148. |
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