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Related Experiment Videos

Multiple vs Single Target Vegetable Exposure to Increase Young Children's Vegetable Intake.

Astrid A M Poelman1, Conor M Delahunty2, Maeva Broch2

  • 1CSIRO Agriculture & Food, Sensory, Flavour and Consumer Science, North Ryde, Australia; Wageningen University, Division of Human Nutrition,Wageningen, The Netherlands.

Journal of Nutrition Education and Behavior
|July 27, 2019
PubMed
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Introducing multiple vegetables simultaneously may boost young children's vegetable intake more effectively than single vegetable exposure. Further research is recommended to confirm these findings and explore underlying mechanisms.

Area of Science:

  • Pediatric Nutrition
  • Behavioral Science
  • Dietary Interventions

Background:

  • Increasing vegetable consumption in young children is a public health priority.
  • Early childhood is a critical period for establishing lifelong healthy eating habits.

Purpose of the Study:

  • To evaluate if repeated exposure to multiple target vegetables is more effective than single target vegetables in increasing children's vegetable intake.
  • To compare the impact of varied vs. singular vegetable exposure on dietary habits.

Main Methods:

  • A pilot randomized controlled trial involving 32 children aged 4-6 years.
  • Children received 15 exposures to either single or multiple vegetables over 5 weeks at home.
  • Vegetable intake was assessed via dinner meals, food records, and parent reports at baseline and follow-up.
Keywords:
acceptancerepeated exposurevarietyvegetable intakeyoung children

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Main Results:

  • Usual vegetable intake significantly increased in the multiple-vegetable group (0.6 to 1.2 servings/day).
  • No significant changes were observed in the single-vegetable or control groups.
  • Food record data were underpowered; dinner meal intake showed no significant group differences.

Conclusions:

  • Simultaneous exposure to multiple vegetables may be a more effective strategy for increasing young children's vegetable intake.
  • Larger studies are needed to confirm the effectiveness of varied exposure and understand the mechanisms involved.