Impact of a Home‐Based Obesity Prevention Intervention on Children's and Parents' Body Mass Index (BMI) : Findings From the Guelph Family Health Study Randomised Controlled Trial
Authors' conclusion
Compared to controls, this home-based obesity prevention intervention had no significant impact on children's or parents' BMI immediately after the intervention or after 1 year of follow-up, indicating that the intervention had no additional effect compared to the control group on children's or parents' BMI over time. Future data collection phases will allow for the examination of the intervention effect on BMI as children age.
Study context
- Population
- 285 families with preschool-aged children; children 3.6 ± 1.3 years old, 20.2% at risk for overweight, 8.2% with overweight/obesity; parents 58.2% with overweight/obesity
- Participants
- 285 families
- Comparison
- 6-month home-based obesity prevention intervention vs control
- Primary endpoint
- Children's and parents' BMI
- Follow-up
- Post-intervention and 1 year after the intervention
Primary result
As reported in the abstract
- No significant impact of the intervention vs controls on children's or parents' BMI at post-intervention and 1 year after
Further findings
kg/m²
| Outcome | Intervention | Control |
|---|---|---|
| Change in children's BMI · baseline to post-interventionNon-significant decrease in both groups | −0.23 (95% CI −0.46–0.002) | −0.17 (95% CI −0.40–0.06) |
| Change in children's BMI · baseline to 1-year follow-upNon-significant decrease in both groups | −0.29 (95% CI −0.67–0.08) | −0.06 (95% CI −0.42–0.30) |
Original publication
Impact of a Home‐Based Obesity Prevention Intervention on Children's and Parents' BMI : Findings From the Guelph Family Health Study Randomised Controlled Trial. Pediatr Obes. Published 22 October 2025. doi:10.
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