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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03283033
Other study ID # R01HL139120
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date October 1, 2017
Est. completion date June 30, 2023

Study information

Verified date November 2023
Source Arizona State University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators propose an efficacy study (i.e., do salad bars work under controlled conditions in naturalistic settings) to test whether introducing salad bars in elementary, middle, and high schools that have never had salad bars affects students' FV consumption and waste during lunch. A cluster randomized controlled trial will test new salad bars against controls for 6 wks, with/without an additional 4-wk marketing phase .


Recruitment information / eligibility

Status Terminated
Enrollment 7491
Est. completion date June 30, 2023
Est. primary completion date September 10, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 6 Years to 18 Years
Eligibility Inclusion Criteria: - Students enrolled in any grade between grades one and twelve - Student ID number matches that on a list of randomly selected student ID numbers from the population of student enrolled in school - Students who elect to receive a hot entree at lunch - Students who assent to participate Exclusion Criteria: - Students in detention - Students in special education - Students in Kindergarten - Students not in school for any reason (e.g. illness, vacation)

Study Design


Intervention

Behavioral:
New salad bar
New salad bar placed in school
Marketing
Marketing conditions (printed material, displays, verbal announcements, prompts and taste tests)

Locations

Country Name City State
United States Arizona State University Phoenix Arizona

Sponsors (2)

Lead Sponsor Collaborator
Arizona State University National Institutes of Health (NIH)

Country where clinical trial is conducted

United States, 

References & Publications (2)

Adams MA, Ohri-Vachaspati P, Richards TJ, Todd M, Bruening M. Design and rationale for evaluating salad bars and students' fruit and vegetable consumption: A cluster randomized factorial trial with objective assessments. Contemp Clin Trials. 2019 Feb;77:37-45. doi: 10.1016/j.cct.2018.12.007. Epub 2018 Dec 18. — View Citation

Bruening M, Adams MA, Ohri-Vachaspati P, Hurley J. Prevalence and Implementation Practices of School Salad Bars Across Grade Levels. Am J Health Promot. 2018 Jul;32(6):1375-1382. doi: 10.1177/0890117116689159. Epub 2017 Feb 19. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in grams of fruit and vegetables consumed The amount (grams) of fresh and canned fruits and vegetables consumed at lunch Baseline (prior to randomization allocation of installation of salad bars), Time 2 (6 weeks after randomization), and Time 3 (10 weeks after randomization)
Secondary Change in grams of fruit and vegetables selected The amount (grams) of fresh and canned fruits and vegetables selected at lunch Baseline (prior to randomization allocation of installation of salad bars), Time 2 (6 weeks after randomization), and Time 3 (10 weeks after randomization)
Secondary Change in percent of fruit and vegetables wasted The percent of fresh and canned fruits and vegetables wasted at lunch Baseline (prior to randomization allocation of installation of salad bars), Time 2 (6 weeks after randomization), and Time 3 (10 weeks after randomization)
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