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Assessing Hydration in Children: From Science to Practice.

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Children can learn about hydration using a simple urine color (UC) chart. This study developed and tested an illustration-based tool, finding that most children understood and liked the hydration message.

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Area of Science:

  • Pediatric Health
  • Biomarkers
  • Health Education

Background:

  • Hydration status is crucial for children's health.
  • Urine color (UC) is a validated, noninvasive hydration biomarker in adults and older children.
  • A user-friendly tool is needed to teach younger children (6-11 years) about hydration.

Purpose of the Study:

  • To design and evaluate an illustration-based, self-assessment hydration tool for children aged 6-11 years.
  • To assess children's understanding and the attractiveness of different designs featuring a UC chart.
  • To identify effective graphical elements for communicating hydration status to young children.

Main Methods:

  • Phase 1: Face-to-face interviews with 84 children to select key graphical elements from 6 initial designs.
  • Phase 2: Online questionnaire evaluating 3 refined designs with 1,231 children across 3 countries.
  • Data collection focused on understanding levels and design attractiveness.

Main Results:

  • The best-performing design was understood by 76% of participants, regardless of age or gender.
  • Understanding varied by country, with France (74%) and Mexico (78%) showing higher comprehension than Indonesia.
  • Attractiveness was high across all designs, with 80% of children liking them, irrespective of country or age.

Conclusions:

  • An illustration-based tool using an eight-point UC scale can effectively convey hydration messages to children aged 6-11 years.
  • The developed tool demonstrates good understanding and high attractiveness among the target pediatric population.
  • This approach offers a promising noninvasive method for children's hydration awareness and self-monitoring.