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Factors affecting the prevalence of overweight and obesity in children with Down syndrome.

BACKGROUND
The aim of this study was to determine the influence of environmental factors on the occurrence of overweight and obesity in children with Down syndrome.


METHODS
The study was conducted in a group of children with Down syndrome under the care of the Genetic Clinic in Gdansk from May 2017 to December 2018.


RESULTS
The study included 26 female patients and 22 male patients with Down syndrome, aged 7 to 18 years. The children were divided into two groups: group 1, with normal body weight and underweight, and group 2, with obesity and overweight. Overweight and obesity were diagnosed in 19% of children with Down syndrome. The BMI analysis of the parents showed that the fathers of children with obesity and overweight had a higher BMI (p=0.043). In the group of children with overweight and obesity, obesity was more common in siblings (p=0.029), and sucking disorders were less frequent in the infancy period (p=0.015). Childrenwith obesity and overweight were more likely to eat white bread (p=0.039), milk and other dairy products (p=0.04), and eggs (p=0.029) and ate more often between meals (p=0.022).


CONCLUSIONS
1. In families of children with Down syndrome affected by overweight and obesity, nutritional disorders were more frequent in the other members of the family. 2. More frequent unhealthy dietary choices were found in children with Down syndrome affected by overweight and obesity than in children with a normal body weight and underweight. 3. It is necessary to educate families about the principles of a healthy lifestyle, as it can improve the quality of life of patients with Down syndrome and the whole family.