Impact of the Korea Early Childhood Home-visiting Intervention (KECHI)
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About
Maternal and early childhood home visits have been proposed as an effective strategy to improve the health and development of disadvantaged children. In South Korea (hereafter, Korea), a maternal and early childhood home visit program has been implemented since 2013 in Seoul, and then was adopted in 2019 by the central government as a national policy for child health and development.
The Korea Early Childhood Home-visiting Intervention (KECHI) encompasses 25-29 home visits, group activities, and community service linkage by social workers from the prenatal period until the child reaches the age of 2 years; as such, it is a complex intervention involving various domains to address a wide range of outcomes. Each home visit is implemented based on the family's needs, and individualized interventions are provided to improve parenting and the home environment in order to promote children's health and development and maternal health.
This study is a randomized controlled community trial conducted in Korea to examine the impact of targeted home visits led by nurses in the prenatal and early childhood period on children's health and development and maternal health.
This study is a superiority trial with two parallel groups from pregnancy until the child reaches 2 years of age. Pregnant women with two or more risk factors will be recruited to participate in the study after they provide informed consent. Participants will then be randomly assigned to the intervention or control group with a 1:1 allocation through an independent web-based random allocation system. We expect a total of 800 families (400 families in each group) to be recruited. The intervention group will receive the KECHI program and the control group will receive existing maternal and child health services (usual care), but not multiple home visits by nurses. Both groups will receive gift cards of 30,000 Korean won (about 27 USD) for each round of surveys.
The intervention and control groups will be surveyed on the outcome variables of home environment, child development, breastfeeding, maternal health, child hospital visits due to injuries, and community service linkage at four home visits by trained research nurses at baseline and at 6 months, 12 months, and 24 months after birth. Telephone contact will also be made at 6 weeks and 18 months after birth for both groups. Outcome measurements will be performed by research nurses and data management will be conducted by statistical analysts. The analysis will be conducted for the intention-to-treat (ITT) and per-protocol (PP) groups, with an interim analysis of outcomes up to the 6-month follow-up. For the primary outcomes and certain secondary outcomes, subgroup analyses will be performed based on factors such as region, fertility status, number of risk factors, presence of depression, education level, etc. Furthermore, this study will utilize administrative data available for all study participants to evaluate both short and long-term impacts of the KECHI intervention on maternal and child outcomes.
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Inclusion criteria
- Pregnant women with two or more risk factors at the time of screening
- Pregnant women at less than 37 weeks of gestation
- Pregnant women who can read and answer questionnaires in Korean
Exclusion criteria
- Pregnant women who have experienced any critical event such as termination of pregnancy, stillbirth, or child death
- Pregnant women who plan to move abroad or to other regions where the KECHI service is not available within the next 6 months
Trial design
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800 participants in 2 patient groups
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Central trial contact
Yu-Mi Kim, MD, PhD; Young-Ho Khang, MD, PhD
Data sourced from clinicaltrials.gov
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