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Nutrients
Volume 17
Issue 11
10.3390/nu17111788
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Article

The Impact of Dietary Habits and Nutrition Knowledge on Harmful Alcohol Use and Nicotine Dependence Among Medical Students: A Single-Center, Cross-Sectional Study

by
Aureliusz Andrzej Kosendiak
1,
Bartosz Bogusz Adamczak
2,*,
Zofia Kuźnik
2,
Szymon Makles
2 and
Weronika Hariasz
3
1
College of Health Studies, University of Lower Silesia, 53-611 Wroclaw, Poland
2
Medical Faculty, Wroclaw Medical University, 50-345 Wroclaw, Poland
3
Medical Faculty, University of Opole, 45-040 Opole, Poland
*
Author to whom correspondence should be addressed.
Nutrients 2025, 17(11), 1788; https://doi.org/10.3390/nu17111788 (registering DOI)
Submission received: 3 May 2025 / Revised: 19 May 2025 / Accepted: 23 May 2025 / Published: 24 May 2025
(This article belongs to the Special Issue Association between Nutrition, Diet Quality, Dietary Patterns, and Human Health and Diseases—2nd Edition)
Versions Notes

Abstract

Background: Harmful alcohol use and nicotine dependence are major public health concerns. One group particularly at risk may be medical students, who might resort to substance use as a coping mechanism for stress. Various factors may influence these behaviors, either positively or negatively—among them, dietary knowledge and eating habits. Methods: In this study, we used the KOMPAN questionnaire to assess dietary habits and nutrition knowledge, the AUDIT questionnaire to evaluate problematic alcohol consumption, and the Fagerström Test to assess nicotine dependence. A total of 2801 medical students participated in this study, including 2374 alcohol users and 379 smokers. Results: Smoking students demonstrated significantly lower dietary quality (p < 0.0001) and nutrition knowledge (p = 0.0004). Among alcohol users, lower levels of problematic alcohol consumption were observed in individuals with better dietary quality (p = 0.0006) and higher nutrition knowledge (p < 0.0001). Conclusions: Future research should explore additional factors contributing to the clustering of unhealthy behaviors and the underlying causes of alcohol consumption and poor dietary habits among healthcare professionals.
Keywords: nutrition knowledge; alcohol; nicotine; substance use; medical students nutrition knowledge; alcohol; nicotine; substance use; medical students

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MDPI and ACS Style

Kosendiak, A.A.; Adamczak, B.B.; Kuźnik, Z.; Makles, S.; Hariasz, W. The Impact of Dietary Habits and Nutrition Knowledge on Harmful Alcohol Use and Nicotine Dependence Among Medical Students: A Single-Center, Cross-Sectional Study. Nutrients 2025, 17, 1788. https://doi.org/10.3390/nu17111788

AMA Style

Kosendiak AA, Adamczak BB, Kuźnik Z, Makles S, Hariasz W. The Impact of Dietary Habits and Nutrition Knowledge on Harmful Alcohol Use and Nicotine Dependence Among Medical Students: A Single-Center, Cross-Sectional Study. Nutrients. 2025; 17(11):1788. https://doi.org/10.3390/nu17111788

Chicago/Turabian Style

Kosendiak, Aureliusz Andrzej, Bartosz Bogusz Adamczak, Zofia Kuźnik, Szymon Makles, and Weronika Hariasz. 2025. "The Impact of Dietary Habits and Nutrition Knowledge on Harmful Alcohol Use and Nicotine Dependence Among Medical Students: A Single-Center, Cross-Sectional Study" Nutrients 17, no. 11: 1788. https://doi.org/10.3390/nu17111788

APA Style

Kosendiak, A. A., Adamczak, B. B., Kuźnik, Z., Makles, S., & Hariasz, W. (2025). The Impact of Dietary Habits and Nutrition Knowledge on Harmful Alcohol Use and Nicotine Dependence Among Medical Students: A Single-Center, Cross-Sectional Study. Nutrients, 17(11), 1788. https://doi.org/10.3390/nu17111788

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