Evaluation of Eating Habits and Their Impact on Health among Adolescents and Young Adults: A Cross-Sectional Study

Sylwia Mizia, Anna Felińczak, Dariusz Włodarek and Magdalena Syrkiewicz-Świtała
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Sylwia Mizia: Department of Organisation and Management, Faculty of Health Sciences, Wroclaw Medical University, 51-618 Wroclaw, Poland
Anna Felińczak: Department of Organisation and Management, Faculty of Health Sciences, Wroclaw Medical University, 51-618 Wroclaw, Poland
Dariusz Włodarek: Department of Dietetics, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, 07-776 Warsaw, Poland
Magdalena Syrkiewicz-Świtała: Department of Health Economics and Management, School of Public Health, Medical University of Silesia in Katowice, 41-902 Bytom, Poland

IJERPH, 2021, vol. 18, issue 8, 1-16

Abstract: According to the health field concept, the most important factor affecting health is a lifestyle. The current upward trend in overweight and obesity among younger populations is a consequence of inadequate lifestyle habits. The study aimed to characterise youth nutrition behaviour and knowledge in the context of the risk of developing overweight or obesity. The study group consisted of 307 high school students, 59% females and 41% males, aged between 15 and 19. Nutrition behaviours were studied using the standardised Questionnaire of Eating Behaviour. Body weight and body height were measured with a body composition analyser and a body height meter, respectively. It was observed that the average body mass index was 21.7 ± 3.4 kg/m 2 for the females and 22.3 ± 3.1 kg/m 2 for the males ( p = 0.036). Disturbed weight-to-height ratios (i.e., overweight and obesity) were found in 15.6% of the females and 16.5% of the males. The diets of approximately 90% of these youth were characterised by excessively low pro-health product content. The males showed a significantly higher intensity of adverse health traits compared to the females (8.1% vs. 0.7%, p = 0.002). More than half of the males presented insufficient knowledge about food and nutrition (53.5% vs. 30.8%, p < 0.001). Regardless of gender, the study showed a positive correlation between adolescents’ level of knowledge and the pro-health diet index (gamma coefficient: 0.42, p < 0.001) and a negative correlation between their level of knowledge and the unhealthy diet index (gamma coefficient: ?0.66, p < 0.001). The level of knowledge was closely related to the indicators of the intensities and adverse health characteristics of their diets. These results indicate the need for educational programs to raise awareness among youth in civilisation backgrounds.

Keywords: health behaviours; pro-health diet index; obesity; overweight; high school students (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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