NCT02580123.

Study name	Smile‐Kids: study on complementary feeding transition
Methods	Study design: RCT
Participants	Service type: centre‐based Country (region): Portugal Number of services participating: 25 (children aged 4‐12 months)
Interventions	Number of conditions: 1 intervention, 1 control Intervention strategies: Ethos and environment ECEC staff Training: educators' training with the researchers Partnerships Families Training: training with parents and infants developed by trained educators
Outcomes	Outcomes relating to child dietary intake: Dietary intake Outcomes relating to child anthropometric measures: Weight, length, BMI
Starting date	May 2012
Contact information	Dr Helena Rafaela Vieira do Rosario, rrosario@ese.uminho.pt
Notes	ClinicalTrials.gov: NCT02580123