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Indicators of physical development in preschool-aged children over a 25-year observation period

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Comparative analysis reveals significant increases in height and weight among preschool-aged children, indicating improvements in living conditions.

An increase in overall body size was observed in six-year-old children over 25 years, with both height and weight significantly rising.
Significant increases in body height and weight were recorded for boys and girls, with height t-scores of 7.19 and 7.37, respectively.
A comparative assessment conducted between children from two academic years highlighted trends in physical growth.
Findings suggest potential improvements in living conditions reflecting in anthropometric indicators such as BMI.

Markelova et al. (2025) studied this question.

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Comparative analysis reveals significant increases in height and weight among preschool-aged children, indicating improvements in living conditions.