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| Name | Class |
|---|---|
| National Institutes of Health (NIH) | NIH |
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The study will use a longitudinal, randomized control trial design to determine intervention impact on parent and child behaviors, and infant health. The two intervention groups include: 1) MAGIC-FEED+; and 2) MAGIC-SAFE. This trial is an efficacy trial of the MAGIC-FEED and MAGIC-SAFE program that has been successfully implemented with families as part of the MAGIC 1.0 program trial (IRB#: 2015040017).
Obesity is a significant public health problem and risk begins early in life. In the US, over 19% of children ages 2-19 have obesity with 6% of these children classified with severe obesity. Obesity prevalence is lower among 2- to 5-year-old children (13.4%); however, by age 6, one in 5 children has obesity. Rapid weight gain over the first year of life is associated with overweight or obesity in toddlers and young children, which then tracks across the life course. It is critical to intervene on modifiable factors early in life to support healthy growth and prevent obesity. This trial is implemented across the first year in this population to support child diet quality, self-regulatory skills related to eating and growth to prevent obesity.
Interventions during the first year of life have been implemented to prevent child obesity. Most focus on breast and bottle feeding during the first 6 months or feeding across infancy. Few have demonstrated lasting effects beyond infancy on a relative body size measure that accounts for height such as BMIZ, and none have reported effects on long-term adiposity measured with a sensitive assessment tool or have successfully impacted long-term relative body size or adiposity. Further, prior RCTs have predominately been conducted via home visits. MAGIC 2.0 uses a virtual platform which will allows us to leverage the well-established effectiveness of home visiting to be accessible to caregivers with young children.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| MAGIC-SAFE | Placebo Comparator | Parents will be provided with information about age-appropriate safety topics, including safe sleeping, car seats, baby-proofing, etc. The intervention is delivered via virtual visits, binder, website and newsletters. |
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| MAGIC-FEED | Experimental | Parents will be provided with responsive feeding coaching to help them recognize hunger and satiety cues and nutrition coaching that includes bottle-/breast-feeding and complementary feeding in alignment with the Dietary Guidelines. The intervention is delivered via virtual visits, binder, website and newsletters. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| MAGIC-FEED | Behavioral | Parents will be provided with responsive feeding coaching to help them recognize hunger and satiety cues and nutrition coaching that includes bottle-/breast-feeding and complementary feeding in alignment with the Dietary Guidelines. The intervention is delivered via virtual visits, binder, website and newsletters. |
| Measure | Description | Time Frame |
|---|---|---|
| Infant Body Mass Index Z-score (BMIZ) at 13 and 24 months | Assessed via anthropometrics and WHO Child Growth Standards. | 13 & 24 months |
| Infant dietary quality index | Infant dietary quality index (IDQI) score with higher scores indicating higher dietary quality (Au et al. J Nutr 2023, 153(3): 741-748). Calculated with questionnaire data from an adapted Infant Feeding Practices III Food Frequency Questionnaire. | 0-13 months |
| Infant self-regulation during feeding | Infant self-regulation during feeding coded from video observation via the Nursing Child Assessment Feeding Scale. | 0-13 months |
| Eating self-regulation | Assessed via 'Eating in the Absence of Hunger' experiment using standard protocols (Asta et al. Pediatrics 2016;137(5):e20153786). | 24 months |
| Measure | Description | Time Frame |
|---|---|---|
| Caregiver nutrition knowledge | Caregiver nutrition knowledge assessed by the Infant Feeding Education Questionnaire. | 0-24 months |
| Caregiver sensitivity | Caregiver responsive feeding/sensitivity with higher scores indicating greater sensitivity. Assessed by Chatoor's Feeding Scale, Hazen Sensitivity Scale and Nursing Child Assessment Feeding Scale. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Elizabeth Widen, PhD, RD | Contact | 512-471-0941 | widen.lab@austin.utexas.edu | |
| Deborah Jacobvitz, PhD | Contact |
| Name | Affiliation | Role |
|---|---|---|
| Elizabeth Widen, PhD, RD | UT Austin | Principal Investigator |
| Deborah Jacobvitz, PhD | UT Austin | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sarah M. & Charles E. Seay Building | Not yet recruiting | Austin | Texas | 78712 | United States |
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| MAGIC-SAFE | Behavioral | Parents will be provided with information about age-appropriate safety topics, including safe sleeping, car seats, baby-proofing, etc. The intervention is delivered via virtual visits, binder, website and newsletters. |
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| 0-24 months |
| Solid food introduction timing | Timing of solid food introduction (<6 mo, >=6 mo). Assessed by the adapted Infant Feeding Practices III Questionnaire. | 0-8 months |
| Percentage body fat | Percentage body fat assessed via DXA. | 13 & 24 months |
| Proportion with BMIZ >=95%ile | High BMI at 13 & 24 months | 13 & 24 months |
| BMIZ change from 3 wk to 24 months | BMIZ change from 3 wk to 24 months assessed via anthropometrics and WHO Child Growth Standard. | 0-24 months |
| Child self-regulation | Inhibitory control assessed via behavioral rating from the Barrier Box Tax with higher scores indicating greater regulation. | 24 months |
| Caregiver infant feeding practices | Assessed by the Feeding Practices and Structure Questionnaire. | 0-24 months |
| Baby Eating Behavior | Infant eating behaviors assessed via the Baby Eating Behavior Questionnaire. | ~ 8 months |
| Child Eating Behavior | Child eating behaviors assessed via the Children's Eating Behavior Questionnaire. | 24 months |
| Duration of exclusive breastfeeding | Duration of exclusive breastfeeding assessed via the adapted Infant Feeding Practices III Questionnaire. | 0-24 months |
| Sugary beverages before 12 months | Introduction of sugary beverages prior to 12 months. Assessed via the adapted Infant Feeding Practices III questionnaire. | 0-12 months |
| Child self-regulation | Assessed by the Brief Infant Toddler Social Emotional Assessment (BITSEA) with higher scores indicating greater self-regulation. | 13 months |
| Dell Pediatric Research Institute | Recruiting | Austin | Texas | 78723 | United States |
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