Diet quality of Japanese preschool children assessed by the Healthy Eating Index-2020: Nutrient and food group intake, as well as weekday–weekend differences
▪ Author : Hazuki Akazawa, Atsuki Sakai, Takako Takahashi, Tetsuko Okabe, Ruriko Sasaki, Hiromi Ishida, Hiromitsu Ogata, Mitsuhiko Hara, Yukiko Yoshioka, Miho Nozue, Tatsuaki Sakamoto, Sanae Ito, Nobuko Murayama, Katsushi Yoshita
▪ Keyword : child nutrition, diet quality, dietary evaluation, weekdays vs weekends, nutrient profiling system
▪ Content : Background and Objectives: In Japan, there are no official dietary guidelines for young children and nutrients may be insufficient on weekends, compared to weekdays at nursery schools. To ensure adequate nutrition, an appropriate dietary evaluation method is required. This study used the Healthy Eating Index (HEI)-2020, which is based on the Dietary Guidelines for Americans, to evaluate the diet quality of Japanese children, examine its validity through associations with nutrient and food group intake, and compare dietary characteristics on weekdays and weekends. Methods and Study Design: The participants were 669 children aged 3 to 5 years attending nursery schools across Japan. Relationships of HEI-2020 scores with nutrient and food group intake, and comparisons between weekdays and...