Academic Achievement, School Absence and Self-Concept in Czech Prepubescent Children with Overweight and Obesity

BMI percentile values, cognitive test scores, weight bias internalization scale and self­
­concept scale with an aim to detect whether and to what extent these factors contribute
to children’s school results.
Methods. 557 fifth graders were administered Vana’s Intelligence Test, the Piers‑Harris 2
self­‑concept questionnaire and other tools. Children’s educational aspects were assessed
in terms of school Absence, Grade Point Average, and Czech and Mathematics grades, with
data obtained from their most recent report cards under the Informed consent of their
legal representatives and in compliance with ethical standards.
Results. Prepubescent children from stronger socio­‑economic backgrounds suffer
from overweight/obesity less often and perform slightly better at school. The present
results suggest a link between weight bias internalization and overweight/obesity, and
a somewhat weaker link between self­‑concept and overweight/obesity in the non­‑clinical
population of prepubescent children. In these relationships of overweight/obese children,
as in the cases of alarmingly high school absence, gender is an important variable. Multinomial logistic regression modelling the relationship between Czech and Mathematics
grades and selected factors discovered that chances for a worse grade were significantly
reduced by the results of Vana’s Intelligence Test in both the subjects, while the Self‑concept
total score proved to be an insignificant factor. Conversely, pupils’ Czech grades were negatively influenced by increased BMI (quartile), higher Absence rate, male Gender, Presence of only one parent in the family and WBI, while in Mathematics, in addition to the above­
­discussed, significant regressors only included Absence and Presence of only one parent.
Discussions. The results of the Self‑concept total score, the level of which is generally
lower in girls than in boys in the population of Czech prepubescent children, agree with
other authors’ experience. The connection between the male sex and poorer performance
in Czech can be partly explained by the fact that the development of speech, reading, writing and grammar is generally less complicated for school­‑age girls than boys. We can ask
why a higher BMI quartile increases the chances of a worse grade only in the case of Czech
language? So far, we can only speculate about the causes. In our opinion, it is possible that
the impact of parents’ education on the performance of children of this age is more pronounced in the Czech language (compared to Mathematics). The other possibility of the
impact of the BMI quartile on the Czech grade is the significant predominance of boys in
the o/o group. On the other hand, it should be noted that this argument would not explain
the o/o children’s poorer Grade Point Average score. However, we believe that the above
reasons answer partially this question.
Conclusion. The vulnerability of o/o girls is pronounced in some domains of Self‑
‑concept and Weight bias internalization, while in boys it is reflected in the more frequent occurrence of high levels of Absenteeism, with the precise causes of this being still subject to
speculation. In this regard, workers in the cooperating professions should pay continuous
attention to strengthening the desirable aspects of education and healthy lifestyle among
vulnerable groups of children. Educational aspects of overweight/obese children should
therefore continue to receive increased attention