Assessment of the physical development of schoolchildren in the northern regions of Western Siberia

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PURPOSE OF THE STUDY

To characterize the physical development and replenish the database on the nutritional status of schoolchildren living in the Yamalo-Nenets Autonomous Okrug (YNAO) and the Khanty-Mansiysk Autonomous Okrug — Yugra (KhMAO-Yugra).

MATERIAL AND METHODS

By agreement with the parents, schoolchildren of 7—15 years old of the newcomer population of Yamalo-Nenets Autonomous Okrug (1248) and KhMAO-Yugra (3596 people) were examined. Measurement of length (BL) and body weight (BW) was carried out, mass-growth index (BMI) was calculated by dividing BW (kg) by the square of BL (m²). In accordance with the standards «WHO GrowthReference 2007», the options for the ratio of BL and BW are highlighted: average, low nutrition, malnutrition, overweight and obesity.

RESULTS

The average BMI values in those surveyed in YNAO were noted more often than in KhMAO-Yugra: in boys 63.1 and 58.3% (p=0.034); among girls 65.3 and 60.9%, respectively. Overweight was recorded in girls in the YNAO more often (14.7%) than in girls in the KhMAO-Yugra (10.2%; p=0.003); for boys — 13.0 and 11.8%, respectively. There were more obese boys than girls: in the YNAO (16.9 and 11.8%), in the KhMAO-Yugra (16.4 and 11.1%; p<0.001). Reduced nutrition was more often recorded among schoolchildren in the KhMAO-Yugra than in the YNAO: in boys — 8.2 and 4.9% (p=0.005); for girls — 10.9 and 7.2% (p=0.009). The prevalence of malnutrition is higher among schoolchildren in the KhMAO-Yugra (in 5.3% of boys and 6.9% of girls) than among children in the YNAO (2.1 and 1.0%, respectively; p<0.001).

CONCLUSION

The results of the examination of schoolchildren coincide with the trend of the physical development of modern children in our country and with the world trend. However, despite the significant similarity of climatic, geographical and socio-economic conditions of living of children in the northern regions of Western Siberia, the features identified by us create a prerequisite for a deeper analysis of the causes of disharmonious options for physical development.

Keywords:

physical development

children

adolescents

schoolchildren

obesity

Authors:

Gritsinskaya V.L.

St. Petersburg State Pediatric Medical University of the Ministry of Health of Russia

Gladkaya V.S.

Katanov Khakass State University of the Ministry of Education and Science of Russia

Received:

16.11.2021

Accepted:

14.12.2021

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