Diet quality of Japanese preschool children assessed by the Healthy Eating Index-2020: Nutrient and food group intake, as well as weekday-weekend differences.

Key Points

• To assess diet quality and nutrient intake differences among Japanese preschool children based on the Healthy Eating Index-2020.
• Assessment of diet quality using Healthy Eating Index-2020.
• Analysis of nutrient intake from various food groups.
• Comparison of dietary patterns on weekdays versus weekends.
• Identified challenges in nutrient intake among preschool children.
• Highlighted differences in Dairy and Greens and Beans intake between weekdays and weekends.