Cosco 2021.

Study name	Research design, protocol, and participant characteristics of COLEAFS: a cluster randomized controlled trial of a childcare garden intervention
Methods	Study design: cluster‐RCT
Participants	Service type: centre‐based Country (region): USA (North Carolina) Number of services participating: 15
Interventions	Number of conditions: 1 intervention, 2 controls Intervention strategies: Ethos and environment Staff Workshop: teachers received a one‐on‐one orientation to the activity guide to ensure that they were prepared to lead 12 activities. Support: each week, a research assistant will visit the classroom to interview teachers, discuss challenges and successes of the prior week and provide technical assistance Service Resources: garden installations, resources, and gardening activities. A coffer storage unit and a garden kit (hand tools, hose, gardening gloves, watering wand, and child‐sized cans) will be provided.
Outcomes	Outcomes relating to child dietary intake: Fruit and vegetable consumption Outcomes relating to child anthropometric measures: not reported
Starting date	June 2017
Contact information	Nilda Graciela Cosco, nilda_cosco@ncsu.edu and Nancy M. Wells, nmw2@cornell.edu
Notes	ClinicalTrials.gov: NCT04864574