Mehdizadeh 2018.

Study name	Customized intervention program aiming to improve healthy eating and physical activity among preschool children: protocol for a randomized controlled trial (Iran Healthy Start Study)
Methods	Study design: cluster‐RCT
Participants	Service type: centre‐based Country (region): Iran (Mashhad) Number of services participating: 6
Interventions	Number of conditions: 1 intervention, 1 control Intervention strategies: Health curriculum Children Curriculum: children are delivered physical activity and nutrition units Ethos and environment ECEC staff Workshop: a workshop at baseline and a booster session at the middle of the intervention period will be conducted. Details of "Literacy, Education, Activity, Play" activities, activity demonstrations, role of educators, collaboration with parents, and other related implementation hints are presented and discussed. Service Materials: comprises 2 illustrated handbooks. The physical activity book containing 20 activity units along with a complementary chapter containing information for educators. The nutrition book contains 20 activity units along with a complementary chapter containing information for educators. This handbook is accompanied with “Healthy‐kid Toolkit,” which contains utilities and materials for "Literacy, Education, Activity, Play" activity units. A handbook for managers and educators containing modified self‐assessment tool, as well as principles of the programme, action planning, policies and practices, details of implementation, log pages, and report pages for both educators and managers. It also contains a suggested healthy weekly menu for serving a snack or a hot meal for children at preschool. Access to a comprehensive website containing details of the programme. Support: an on‐site training workshop will be followed by a supplementary booster session during the implementation (3‐4 h), as well as ongoing support through mobile and internet‐based contacts (Telegram) and weekly visits. Educators and managers of are invited to become a member of the Telegram channel. Partnerships Families Materials: a scientific, user‐friendly, and simple book entitled, “Knowledgeable Parents, Healthier Children,” will be provided to parents, aiming at improving their knowledge and practice regarding healthy eating for the whole family, especially their preschool child. Access to a comprehensive website containing details of the programme. Support: routine monthly meetings between parents and team nutritionists. Community Broadcasting: a television show and radio talks related to childhood obesity, physical activity in children, healthy nutrition, parenting, and many other related topics were recorded to introduce the programme and report the future outcomes.
Outcomes	Outcomes relating to child dietary intake: diet quality Outcomes relating to child anthropometric measures: Weight, height, mid‐arm circumference, waist circumference, BMI, BMI percentile, BMI z‐score
Starting date	Dr Hassan Vatanparast, vatan.h@usask.ca
Contact information	International Clinical Trials Registry Platform: IRCT2016041927475N1
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