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Revista de la Facultad de Medicina Humana

versión impresa ISSN 1814-5469versión On-line ISSN 2308-0531

Rev. Fac. Med. Hum. vol.22 no.2 Lima abr./jun 2022  Epub 16-Mar-2022

http://dx.doi.org/10.25176/rfmh.v22i2.4381 

Original article

Eating habits and lifestyles of medical students at the beginning of the Covid-19 pandemic eating

Geraldine A. Espinoza-Gutierrez1  , Interna de Medicina Humana

Gabriela Yance-Cacñahuaray2  , Interna de Medicina Humana

Fernando M. Runzer-Colmenares3  , Médico Geriatra, Máster en Docencia y Máster en Investigación Epidemiológica

1Carrera de Medicina Humana, Universidad Científica del Sur, Lima, Perú.

2Filiación: Carrera de Medicina Humana, Universidad Científica del Sur, Lima, Perú.

3Filiación: Carrera de Medicina Humana, Universidad Científica del Sur, Lima, Perú.

ABSTRACT

The mortality rate from COVID-19 in Peru continues to increase, considered by January 24, 2022, as the third country with the most cases and deaths in all of South America. Connement favors an extremely sedentary lifestyle, physical inactivity, and poor eating practices causing serious health risks.

Objectives:

Describe the eating habits and lifestyles of medical students during the CoVID-19 quarantine.

Methods:

Multicenter Descriptive Cross-sectional Study.

Results:

A total of 886 medical students participated. The female gender prevailed with 81.49% (n = 722) compared to the male gender with 18.51% (n = 164). Regarding the perception of health, only 4.51% (n= 40) rated it as low and the remaining 95.49% rated it as satisfactory (n= 111), good (n= 495), very good (n= =200) and excellent (n=40). The predominant healthy habits were not smoking 91.08% (n= 807) and doing physical activity 78.78% (n= 698); During the pandemic, physical activity was reduced, reaching 53.95% of students.

Conclusions:

Medical students during the COVID-19 connement stage, medical students opted for regular healthy eating habits and preventive behaviors. However, daily physical activity was predominantly low.

Keywords: COVID-19; Habits; Quarantine; Students. (Source: MeSH NLM).

INTRODUCTION

The world is going through a health crisis due to COVID-19.The latest statistics from the World Health Organization (WHO)1until the end of January 2021, nearly one hundred million infected people and more than two million deaths were reported worldwide. For this reason,the Peruvian government has taken measures for a collective quarantine to reduce the spread of the COVID-19 virus among the population and prevent the collapse of hospitals2, taking China and its strategy of social isolation as an example.

However, this measure has not turned out to be a pleasant experience for many complying with it. This leads to various side effects,especially when this connement lasts for months,thusaffecting interpersonal relationships modifying lifestyles and eating habits in the general population.

The increase in hours at home without any type of outdoor activity brings boredom,which has been shown to be associated with a higher caloric intake14of foods rich in saturated fats,sugars,and especially refined carbohydrates3,4.This food consumption is explained by the production of serotonin generated in our body,causing a favorable effect on mood.Its production is influenced by the desire to ingest carbohydrates3so that these foods could alleviate the symptoms of stress3.

The eating habits they adopt in the quarantine may or may not increase the risk of some metabolic diseases. Currently, in Peru, the mortality rate from COVID-19 continues to increase; by January 24, 2022, Peru is considered the third country with the most cases and 5 deaths in all of South America5. In this regard, scientic evidence states that overweight and obese young people have a higher risk of developing metabolic and cardiovascular diseases, so they are more predisposed to worsening their health status during confinement6,7,15.

Social isolation leads to a sedentary lifestyle16, physical inactivity17and poor eating habits.Likewise,social isolation can generate stress in students and affect their physical health and mental health18,19.Despite this, a study carried out in Spain showed the opposite, where the population opted for healthy foods during quarantine20.

During this national emergency, it is important to know thehabitsandlifestylesthatthecountry'sfuture doctors adopt and see their trends. So far, no work like this has been done in times of connement. The main objective of this manuscript was to describe the eating habits and lifestyles of medical students during the COVID-19 quarantine.

METHODS

A cross-sectional, descriptive, and multicenter study was carried out, using a virtual questionnaire as an instrument. The population corresponds to all the students of the Human Medicine career whose faculties were accredited by the National Superintendence of Higher University Education (SUNEDU)23(Federico Villarreal National University, San Juan Bautista Private University, Piura National University, San Juan National University). Antonio Abad del Cusco, National University of Cajamarca, Scientific University of the South, National University of San Marcos, Catholic University of Santa María, University of San Martín de Porres, Ricardo Palma University, Cayetano Heredia Peruvian University, Continental University Peruvian University, Los Andes National University of San Martín, National University of Central Peru, National University of the Peruvian Amazon, National University of Trujillo, National University of San Agustín, National University of the Altiplano, Private University of Tacna, Peruvian University of Applied Sciences) and that is part of some e the twenty-one active scientific societies of Peru. These societies represent around 10% of the total medical students7.

A non-probabilistic sampling was carried out for convenience. Using information from the study by Rimarova et al.6, a frequency of bad eating habits in Human Medicine students was assumed to be 34.89%, with a confidence level of 5%, and an infinite population, calculating a necessary sample size of 349 participants, using the OpenEpi software for Windows20.

The data collection was carried out after the approval of the ethics committee of the Universidad Científica del Sur during the months of March-April 2021, for which a self-report questionnaire was used that was structured with questions about eating habits and styles of life from previous studies.6,9,10,11. The Survey Monkey platform was used to create a 26-question questionnaire, categorized into five sections: sociodemographic variables, lifestyle practices, anthropometric variables, information on COVID-19 quarantine status, and dietary practices.

The dissemination of the instrument was carried out through social networks (emails, social networks, Whatsapp). Previously, it was coordinated with the medical education committees of the twenty-one societies registered in the Peruvian Medical-Student Scientific Society (SOCIMEP) and the International Federation of Medical Students Associations (IFMSA)21for the mention of the questionnaire in the virtual workshops of scheduled classes. All participants signed informed consent before answering the questionnaire questions, excluding minors and belonging to foreign faculties. Sociodemographic variables included gender (male vs. female); Age in years; residence (“I live alone” vs. “I live with my parents”); and Year of the study expressed in years.

The lifestyle variables had five questions6: 1) the self-perception of the participants regarding their health (excellent, very good, good, satisfactory, and poor) whose answers were classified into two groups (“good, satisfactory, and poor” and “excellent and very good”); 2) Smoking habit was assessed with the question “Do you smoke?” (Yes vs No); 3) Stress at university was assessed with the question “Are you stressed by university classes?”5(Yes vs. No); 4) The self-perception of physical activity was evaluated with the question: “Do you consider that you do little physical activity?”5(Yes vs. No); and 5) The self-perception of healthy eating was evaluated with the question: “Do you consider that you eat healthy?”6. These questions were asked in reference to the COVID-19 quarantine period.

The anthropometric variables were taken from the study validated by Rimarova et al.6which included weight in kilograms (Kg), height expressed in meters (m); the body mass index (BMI), which was calculated by dividing the kg of weight by the square of the height in meters (m2). Likewise, overweight criteria were used at all BMI >25 and obesity at a BMI > 30; the waist and hip variables were measured in centimeters (cm). All these variables were self-reported and had instructions written below the questions requested for their measurement. according to WHO regulations.12

The eating habits variables were taken from the Fala Bede et al. study questionnaire9and were made up of seven questions: 1) “Do you eat breakfast?”, 2) “Lunch?”, 3) “Dinners?”, 4) “ Do you eat fruits?”, 5) “Do you eat vegetables?” whose responses were categorized into four responses (regularly, sometimes, rarely, never); and with dichotomous answers (“Yes vs. No”) to two questions: 6) “Do you eat snacks?”, understand “snacks” for light foods that are consumed between meals based on fried foods, preservatives, high amounts of salt and fat without no nutritional value; 7) “Do you consume alcohol?”, understood as the intake of any alcoholic beverage. All these questions were asked about the period of confinement. Regarding the variables on the quarantine status due to COVID-19, it was evaluated with two questions obtained from the instrument of the study by Filgueiras et al.10which were: 1) Do you have any risk factor for COVID-19?”, taking as a reference to known risk factors12(cancer, hypertension, diabetes, cardiovascular disease, chronic lung disease, obesity, and smoking); 2) “Do you abide by the quarantine?”, understanding whether or not the participant complied with the measures dictated by the Peruvian government; Finally, the question from the study by Barari S et al.11: 3) “Reason for leaving home” (Buying food for your family”, Going to the pharmacy, Going to work, Walking the pet, Caring for dependent people, Doing a physical activity, Going to the hospital/receiving medical treatment, Tired of being inside the house, Because I have the right to freedom, Meeting with family or friends, Out of boredom, Getting a little adrenaline (for breaking the law), others).

Microsoft Excel ® 2011 24 software was used for the descriptive analysis of the sample and the STATA V16 program. 25. This study has the approval of the ethics committee of the Universidad Científica del Sur (UCSUR) with the code: 189-2020-PRE B15.

RESULTS

A total of 965 medical students from all over Peru were surveyed, and 79 participants were excluded; 67 for being minors, three for incorrect entry of their weight in Kg, and nine for having erroneous data in the measurement of waist and hip circumference.Table 1shows that 82.28% of participants belong to private universities (n =729), while only 17.72% to national universities (n =157). The female gender prevailed with 81.49% (n=722) compared to the male gender with 18.51% (n=164) and 84.99% (n=753) live with their parents. Likewise, the majority (n=510) of the participants belong to pre-clinical periods with a mean age of 20.97 ± 2.88. Regarding the perception of health, only 4.51% (n= 40) rated it as low and the remaining 95.49% rated it as satisfactory (n= 111), good (n= 495), very good (n= =200) and excellent (n=40). The predominant healthy habits were not smoking 91.08% (n= 807) and doing physical activity 78.78% (n= 698); while in unhealthy habits, stress prevailed with 82.05% (n= 727) and the non-consumption of healthy foods 50.23% (n= 445). Finally, in relation to the anthropometric variables obtained, average weight in Kilograms of 63.03 ± 12.33, a height in meters of 1.62 ± 0.08, and a waist-hip ratio of 23.99 ± 3.71, a waist in centimeters of 79.08 ± 12.29, a hip circumference measured in centimeters of 93.36 ± 12.82 and a waist-hip ratio of 0.85 ± 0.13.

Table 1.  Descriptive analysis of the sociodemographic variables of the sample (N=886) 

  n % Standard deviation
Universities      
National 157 17,7  
Private 729 82,3  
Gender      
Male 164 18,5  
Female 722 81,5  
Age     21,0 ± 2,9
Residence      
I live with my parents 753 85,0  
I live without my parents 133 15,0  
Year of Study      
First year 147 16,6  
Second year 204 23,0  
Third year 159 18,0  
Fourth year 142 16,0  
Fifth year 98 11,0  
Sixth year 80 09,0  
Seventh year 56 6,3  
Health Perception      
Poor 40 4,5  
Satisfactory 111 12,5  
Good 495 55,9  
Very good 200 22,6  
Excellent 40 4,5  
Smoking      
Yes 79 8,9  
No 807 9,1  
Stress      
Yes 727 82,1  
No 159 18,0  
Practice physical activity      
Yes 698 78,8  
No 188 21,2  
Eat healthy meals      
Yes 441 49,8  
No 445 50,2  
Weight (kg)     63,0 ± 12,3
Height (m)     1,6 ± 0,1
Body mass index (BMI)     24,0 ± 3,7
Waist     79,1 ± 12,3
Hip     93,4 ± 12.8
Waist-hip ratio(WHR)     0,9 ± 0,1

Table 2shows that more than half of the participants regularly eat breakfast 75.40% (n=668), lunch 96.05% (n=851), dinner 63.66% (n=564) and eat vegetables 55 .64% (n= 493). While the participants who consume snacks and alcohol represent 62.75% (n= 556) and 30.25% (n= 268), respectively.

Table 2.  Descriptive analysis of the eating habits variables of the sample (N=886) 

  n %
Consume breakfast    
Never 12 1,4
Rarely 59 6,7
Sometimes 147 16,6
Regularly 668 75,4
Lunch    
Never 3 0,3
Rarely 7 0,8
Sometimes 25 2,8
Regularly 851 96,1
Dinner    
Never 11 1,2
Rarely 67 7,6
Sometimes 244 27,5
Regularly 564 63,7
Eat fruit    
Never 10 1,1
Rarely 107 12,1
Sometimes 351 39,6
Regularly 418 47,2
Consume Vegetables    
Never 10 1,1
Rarely 82 9,3
Sometimes 301 34,0
Regularly 493 55,6
Consume snacks    
Yes 556 62,8
No 330 37,3
Consume alcohol    
Yes 268 30,3
No 618 69,8

Table 3shows the results of the quarantine status where 75.51% of medical students were at risk of having COVID-19.

Table 3.  Descriptive analysis of the state Quarantine by COVID-19 of the sample (N=886) 

  n %
They are at risk of having COVID-19    
Yes 669 75,5
No 217 24,5
They practice exercise    
They do not exercise 478 54,0
One to three times a week 282 31,8
At least 4 times a week 126 14,2
They abide by the quarantine    
Yes 331 37,4
No 555 62,7
They did not comply with the quarantine    
for Buying food for your family    
Yes 604 68,2
No 282 31,8
Going to the pharmacy    
Yes 483 54,5
No 403 45,5
Going to work    
Yes 60 6,8
No 826 93,2
Walking pets    
Yes 155 17,5
No 731 82,5
Caring for dependent people    
Yes 124 14
No 762 86
Doing physical activity    
Yes 54 06,1
No 832 93,9
Going to the hospital / Receiving treatment    
Yes 111 12,5
No 775 87,5
Tired of being inside the house    
Yes 141 15,9
No 745 84,1
Meeting with family or friends    
Yes 138 15,6
No 748 84,4
Because I have the right to freedom    
Yes 69 7,8
No 817 92,2
Get a bit of adrenaline (by law)    
Yes 15 1,7
No 871 98,3
Get together with family or friends    
Yes 138 15,6
No 748 84,4
Boredom    
Yes 105 11,9
No 781 88,2

DISCUSSION

The main objective of this study was to describe the eating habits and lifestyles during the COVID-19 quarantine of 2020. The average age of the participants was 20.97 ± 2.88, finding that 17.72% of them belonged to national universities and 82.28% to private ones. Regarding the gender of the participants, this was predominantly female (81.49%), following the global trend. According to various national and international studies, it stands out that there is a feminization of the medical career26where it is indicated that, out of every ten medical students, six are women27,28,29.

Likewise, about 85% of the participants state that they live with their parents in terms of residence. There is evidence that the option of staying in the family home during a university course instead of moving only near the study center is associated with greater academic achievement29, such a reason can be understood that, in times of confinement, where the student He is concerned not only about the academic load but also about the situation, he needs family and emotional support. In addition, classes are being held virtually, so most are at home. These results may also be influenced by the fact that the sample is dominated by young people in their early years (n= 510) who, for the most part, do not achieve economic independence to live on their own. According to the perception of the students' health, it was found that the majority self-reported to be in good health. This is also correlated with healthy habits, such as not smoking (91.08%) and doing physical activity. However, despite being a good habit, physical activity was reduced during confinement, reaching 53.95% of students who did not exercise (78.78%). These results are consistent with several studies carried out in Latin America on medical students where they found that only 22% of them reported having performed physical activity during confinement and that in those who used to exercise daily, this was reduced.30

A similar study in Spain showed that young students who used to practice sports significantly reduced their daily physical activity during the pandemic(31). Consequently, the anthropometric measurements of the participants in the present study were in a normal to elevated range, such as a BMI of 23.99 ± 3.71 and an ICC of 0.85 ± 0.13.

Likewise, the participants' self-reported stress during the 2020 confinement was 82.05%. It is not uncommon to find a high prevalence of these symptoms since social isolation, especially in young people, causes damage to mental health, physical activity, and eating habits32. In fact, in a study where they wanted to evaluate the psychosocial impact during confinement by self-report, they found that about 61.3% of medical students had moderate to severe anxiety whose risk factors included being a preclinical semester student, being a woman, and having a previous mental illness33These data are related to the results of this study where there could be an association with the female gender and the psychosocial impact. In relation to mental health, in Mexico, they found that 45% of undergraduate medical students presented symptoms of sadness while 88% of them presented anxiety during the pandemic. Stress and anxiety are two entities that have been observed the most in medical students. It is very important to identify it since it can influence mood, academic performance and physical performance, probably this could influence the little physical activity of many students during the pandemic34,35,36

Eating habits were not affected during confinement, as most students ate breakfast, lunch and dinner, contrary to what was observed before the pandemic where they used to skip breakfast34. In addition, most of them regularly provided vegetables (47.18%) and fruits (55.64%) in their meals. These results are compatible with studies abroad where it was shown that healthy habits were regularly practiced in contrast to unhealthy ones during the pandemic27and this may be due to the economic crisis caused by the pandemic, avoiding the unnecessary purchase of unhealthy foods and the time factor that allowed medical students to dedicate more space to eat a balanced diet.

During the COVID-19 quarantine, it was observed that a large part of the medical student participants (75.51%; N=669) had risk factors for acquiring the COVID-19 disease. As in several studies where it has been observed that medical students have risky eating behaviors, little access to nutritional guidance, high consumption of trans fats, obesity, sedentary lifestyle, and lack of access to psychological help, all this adds up to a significant risk develop COVID -19 disease37

Likewise, not all medical students were able to abide by social isolation (62.64%) strictly as mandated by the government. However, the reasons were justified since the vast majority were to buy food for the family. Many of the medical students did not break the regulations issued by the government, and this is because a large part of the health personnel has a high knowledge of the possible risk factors of COVID-19 and applies preventive behavior practices35.

This study has certain limitations. It has the self-report of anthropometry and non-probabilistic sampling. In addition, there is the possibility of recall bias. The sample could be representative only of medical students belonging to scientific societies.

In conclusion, it was found that the majority of medical students during the COVID-19 confinement stage opted for regular healthy eating habits. However, daily physical activity was predominantly low.

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Funding sources: Self-nanced.

Received: November 29, 2021; Accepted: February 12, 2022

Correspondence: Geraldine Alexandra Espinoza Gutierrez. Address: Jr. Alberto Rojas 190, San Martín de Porres. Telephone number: 993994342 E-mail:geralexanena@gmail.com

Authorship contributions: All authors have contributed to the writing of this manuscript, data collection, analysis and interpretation. Likewise, all contributed to their critical review and nal approval of this article.

Conflicts of interest: The authors declare no conict of interest.

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