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Article

The Impact of COVID-19-Related Lockdown on Diet and Serum Markers in Healthy Adults

Faculty of Health Sciences, University of Primorska, 6310 Izola, Slovenia
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Author to whom correspondence should be addressed.
Academic Editors: Carlo Agostoni and Gregorio Paolo Milani
Nutrients 2021, 13(4), 1082; https://doi.org/10.3390/nu13041082
Received: 4 March 2021 / Revised: 20 March 2021 / Accepted: 24 March 2021 / Published: 26 March 2021
(This article belongs to the Special Issue Nutrition within and beyond Corona Virus)
Due to limited data about the impact of lockdown on health status, the present study aimed to investigate the impact of COVID-19-related lockdown on changes in dietary habits, physical activity and serum markers in healthy adults. A total of 38 asymptomatic adults aged from 23 to 59 with a normal BMI (22.5 kg/m2) participated in baseline and post-lockdown measurements that included dietary and physical activity assessment, anthropometric measurements and blood samples; and the lockdown survey which included dietary assessment and questionnaires about changes in lifestyle and physical activity. A decreased diet quality during lockdown was observed (Healthy Eating Index reduced from 64.59 to 61.08), which returned to near baseline post-lockdown. Energy intake decreased during lockdown (p = 0.002) and returned to baseline post-lockdown. Despite lower physical activity levels during lockdown (p = 0.035), we observed no significant changes in body composition. However, we observed a significant increase in serum glucose (p = 0.005), total cholesterol (p = 0.003), and low-density lipoprotein (LDL) (p = 0.049) post-lockdown. Increase in serum glucose levels was pronounced in subjects with higher increase in energy intake (p = 0.039), increased omega-6 fatty acids intake (p = 0.016), those who were exposed to several risky contacts (p = 0.018, compared to those with less risky contacts) and those who were not active in nature (p = 0.008, compared to those active in nature). Increased serum LDL was correlated to decreased monounsaturated fatty acids intake (p = 0.028). Within the limits of this preliminary report, changes in serum markers observed among healthy subjects point to a possible impact of COVID-19-related lockdown on adults’ health to be confirmed in larger groups. View Full-Text
Keywords: lockdown; quarantine; nutrition; physical activity; serum biomarkers lockdown; quarantine; nutrition; physical activity; serum biomarkers
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MDPI and ACS Style

Bogataj Jontez, N.; Novak, K.; Kenig, S.; Petelin, A.; Jenko Pražnikar, Z.; Mohorko, N. The Impact of COVID-19-Related Lockdown on Diet and Serum Markers in Healthy Adults. Nutrients 2021, 13, 1082. https://doi.org/10.3390/nu13041082

AMA Style

Bogataj Jontez N, Novak K, Kenig S, Petelin A, Jenko Pražnikar Z, Mohorko N. The Impact of COVID-19-Related Lockdown on Diet and Serum Markers in Healthy Adults. Nutrients. 2021; 13(4):1082. https://doi.org/10.3390/nu13041082

Chicago/Turabian Style

Bogataj Jontez, Nives, Karin Novak, Saša Kenig, Ana Petelin, Zala Jenko Pražnikar, and Nina Mohorko. 2021. "The Impact of COVID-19-Related Lockdown on Diet and Serum Markers in Healthy Adults" Nutrients 13, no. 4: 1082. https://doi.org/10.3390/nu13041082

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