Early-Life Strategies for Preventing Obesity in Preschool-aged Children

Criteria the registry did not label

• Kindergarten-Level Inclusion Criteria:
• The kindergarten's principal or headmaster consents to participate in the study, and the school demonstrates a high level of cooperation. Required personnel, such as a school health care provider, are available.
• The total number of children in the middle and senior classes (approximately ages 4-6) exceeds 100.
• Teachers and parents of the selected classes demonstrate good compliance and willingness to cooperate with project implementation.
  • Kindergarten-Level Exclusion Criteria:
• Special kindergartens, such as part-time institutions or schools for children with special needs.
• Kindergartens that have participated or plan to participate in other obesity-related intervention projects within the past year or upcoming year.
• Kindergartens scheduled for closure or relocation within the next two years.
  • Child-Level Inclusion Criteria:
• The child's primary caregivers can proficiently use smart phones.
• The child is expected to remain enrolled in the same kindergarten for at least one year.
• Parents or legal guardians provide written informed consent for participation.
  • Child-Level Exclusion Criteria:
• Obesity caused by genetic disorders, endocrine diseases, central nervous system damage, or long-term medication use.
• History of significant diseases affecting major organs such as the heart, lungs, liver, or kidneys (e.g., congenital heart disease, hypertension, asthma).
• Children on special diets, including vegetarianism.
• Children diagnosed with pathological eating disorders or conditions that impair physical activity.