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Revista Brasileira de Educação Médica

Print version ISSN 0100-5502On-line version ISSN 1981-5271

Rev. Bras. Educ. Med. vol.46 no.3 Rio de Janeiro  2022  Epub Oct 21, 2022

https://doi.org/10.1590/1981-5271v46.3-20220061.ing 

Original Article

Psychological disorders and coping strategies among undergraduate medical students during the COVID-19 pandemic in Brazil

Transtornos mentais e estratégias de enfrentamento entre estudantes de medicina durante a pandemia da covid-19 no Brasil

Tâmaro Chagas Mendes1  , contributed to all phases of the research, prepared the final version of the manuscript
http://orcid.org/0000-0003-0645-6706

Ana Catarina Perez Dias1  , in charge of research orientation, reviewed the final version of the manuscript
http://orcid.org/0000-0002-6690-4139

1Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.


Abstract:

Introduction:

Medical students are commonly considered a vulnerable public to the emergence of mental disorders. In the COVID-19 pandemic context, recent evidence suggests that the COVID-19 crisis may have affected the medical student’s mental health.

Objective:

We aimed to investigate the prevalence of depression, anxiety, and stress symptoms in undergraduate medical students, the associated factors, and the relationship between coping strategies and psychological symptoms during the COVID-19 pandemic period.

Method:

This is a cross-section study with 141 undergraduate medical students from a public medical school in Brazil. The student’s mental health was assessed with the Depression, Anxiety and Stress Scale (DASS-21) and the coping strategies were assessed with the Brief Coping Orientation to Problems Experienced inventory (Brief COPE). Data were collected from December 1, 2020, to February 28, 2021, through the Google Form platform. Descriptive analysis, chi-square, multivariate Poisson regression, and Spearman’s correlation were performed.

Result:

Regarding the students’ mental health, 78 (55.3%; 95%CI: 47.1-63.3) were categorized as having depression symptoms, 71 (50.4%, 95%CI: 42.2-58.5) as having anxiety symptoms, and 86 (61%; 95%CI: 52.8-68.7) as having stress symptoms. About the associated factors, skin color/race had an association with depression and stress, year of the course had an association with stress only, history of psychological/psychiatry treatment had an association with anxiety and stress and self-rated mental health had an association with depression, anxiety, and stress. In relation to the coping strategies, problem-focused strategies had no significant correlations with depression, anxiety, and stress. Emotion-focused strategies had a weak negative correlation with depression only. Avoidance strategies had a moderate positive correlation with depression, anxiety, and stress.

Conclusion:

Overall, our results show high prevalence rates of depression, anxiety, and stress in Brazilian undergraduate medical students and the significant relationship between coping strategies and the presence of psychological impairment during the COVID-19 pandemic.

Keywords: Medical students; Mental Health; Health Profile; Coping Strategies and COVID-19

Resumo:

Introdução:

Os estudantes de Medicina são comumente considerados um público vulnerável ao surgimento de transtornos mentais. No contexto da pandemia da covid-19, evidências recentes sugerem que a saúde mental dos estudantes de Medicina pode ter sido afetada.

Objetivo:

Este estudo teve como objetivo investigar a prevalência de sintomas de depressão, ansiedade e estresse entre estudantes de Medicina, os fatores associados e a relação entre estratégias de enfrentamento (coping) e sintomas psicológicos durante o período de pandemia da covid-19.

Método:

Trata-se de um estudo transversal realizado com 141 estudantes de Medicina de uma faculdade pública de Medicina do Brasil. Avaliou-se a saúde mental dos estudantes por meio da Escala de Depressão, Ansiedade e Estresse (DASS-21), e adotou-se o inventário Brief Coping Orientation to Problem Experienced (Brief COPE) para analisar as estratégias de enfrentamento. Os dados foram coletados de 1º de dezembro de 2020 a 28 de fevereiro de 2021, por meio da plataforma Google Form. Realizaram-se análises descritivas, teste qui-quadrado, regressão multivariada de Poisson e correlação de Spearman.

Resultado:

Em relação à saúde mental dos estudantes, 78 (55,3%; IC95%: 47,1-63,3) foram categorizados com sintomas de depressão, 71 (50,4%, IC95%: 42,2-58,5) com sintomas de ansiedade e 86 (61%; IC95%: 52,8-68,7) com sintomas de estresse. Sobre os fatores associados, cor/raça teve associação com depressão e estresse; ano do curso, apenas com estresse; histórico de tratamento psicológico/psiquiátrico, com ansiedade e estresse; e autoavaliação de saúde mental, com depressão, ansiedade e estresse. Em relação às estratégias de enfrentamento, as estratégias focadas no problema não apresentaram correlações significativas com depressão, ansiedade e estresse. As estratégias focadas na emoção tiveram uma correlação negativa fraca apenas com a depressão. As estratégias de evitação tiveram uma correlação positiva moderada com depressão, ansiedade e estresse.

Conclusão:

De modo geral, nossos resultados mostram altas taxas de prevalência de depressão, ansiedade e estresse em estudantes de Medicina e uma relação significativa entre estratégias de enfrentamento e a presença de comprometimento psicológico durante a pandemia da covid-19.

Palavras-chave: Estudantes de Medicina; Saúde Mental; Perfil de Saúde; Estratégias de Enfrentamento; Covid-19

INTRODUCTION

Medical school can be a stressful experience for undergraduate medical students. In a previous integrative review about symptoms of mental disorders in Brazilian medical students, the prevalence ranged from 5.6% to 45.7% for depression, 13.4% to 41.4% for anxiety and, 40.95% to 78.98% for stress1. In general, the main associated factors are female gender, maladaptive personality, financial difficulties, pre-existing mental disorders, thoughts of dropping out of medical school, later stages of the course, little involvement in leisure activities, lack of emotional support, and academic overload2. In addition to these factors, the coronavirus pandemic affected the mental health of medical students due to changes in their lives and medical training3),(4.

Since the World Health Organization (WHO) declared on the 30th January of 2020 the COVID-19 outbreak as a public health emergency of international concern5, the pandemic has rapidly escalated into a global health crisis. In Brazil, due to the emergence of the pandemic and the implementation of non-pharmacological measures such as isolation and social distancing, places and events with large circulation of people had their face-to-face operations partially or totally suspended6. Regarding university activities, the Ministry of Education (MEC) authorized the replacement of in-person classes by remote ones7.

Before COVID-19, fear and anxiety had already been identified among medical students in countries where SARS (Severe Acute Respiratory Syndrome) occurred8. In the COVID-19 pandemic context, Brazilian medical students were feeling uncertain about the future of their training and reporting damage to their mental health4. Additionally, the estimated overall prevalence of anxiety and depression in medical students during the COVID-19 pandemic was 28% (95%CI: 22-34) and 25% (95%CI: 20-32), respectively9. Comparing periods before and during the COVID-19 pandemic, an Indian survey showed higher levels of anxiety and stress among medical students10. These findings may indicate a need to investigate the medical student’s mental health during the pandemic period.

Besides mental health, it is also important to assess how medical students are coping with this psychological distress during the COVID-19 pandemic context. The coping term is defined as “cognitive and behavioral efforts to manage specific external and/or internal demands that are appraised as taxing or exceeding the resources of the person” (11. One coping strategy is not inherently better or worse than another, because people can use strategies in a complementary way to move away from the stressor using avoidance strategies, manage emotions using emotion-focused strategies, and face the situation using problem-focused strategies11. However, some studies have identified some strategies as dysfunctional, due to their association with low resilience, worse well-being, and the presence of symptoms of mental disorders12)- (14. Apart from that, other studies showed a significant association between coping strategies and medical students’ mental health15),(16.

In light of all of this, in our study we aimed to investigate the prevalence of depression, anxiety, and stress symptoms in Brazilian undergraduate medical students, the associated factors, and the relationship between coping strategies and psychological symptoms during the COVID-19 pandemic.

METHOD

We used the “Strengthening the Reporting of Observational Studies in Epidemiology” (STROBE)17 principles to carry out this study.

Study design and participants

This is a cross-sectional study with undergraduate medical students enrolled in a public medical school in the northeast region of the state of Minas Gerais, Brazil. The non-probabilistic convenience sampling was adopted, and the inclusion criterion was age ≥18 years and being regularly enrolled in the medical course. All students enrolled in the medical course were invited to answer the questionnaire (n = 333).

Settings

During the survey period, the Brazilian situation with the COVID-19 pandemic reached 10,455,630 confirmed cases and 252,835 deaths by the end of February 202118. There was no national or regional lockdown during the research period, but only recommendations to maintain social distancing, cancellation of mass gatherings, and isolation for those who may have been exposed to people infected with COVID-19. The Brazilian government has been criticized by the scientific community for their denial of scientific facts and failure to coordinate and promote public health measures19),(20.

As for the classes, the Brazilian Ministry of Education authorized since March 2020 the replacement of in-person classes by remote ones using digital media for the duration of the pandemic situation7. Specifically for medical education, the substitution applied only to cognitive-theoretical subjects from the first to the fourth year of the course21. The particular university evaluated in this research suspended all in-person classes in their campuses in March 2020 and held all its classes virtually in response to the COVID-19 pandemic only from September 2020 onwards. Thus, the assessed students were having online classes, but only students attending medical clerkship were involved in clinical activities.

Procedures

Data were collected from December 1, 2020, to February 28, 2021, using the Google Form platform. An e-mail was sent to all 333 medical students with the link to access the questionnaire.

Ethical Considerations

The students were told about the objectives of the research, its voluntary characteristic, and the confidentiality of information, whose results would be demonstrated globally, without individual identification. Students were informed that they could receive a report on their performance and psychological support if they wanted. The Term of Free and Informed Consent (TFIC) was available online. Those who agreed to participate marked the “yes” option in the online form. The study was approved by the Ethics Committee of Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), under Protocol N. 4.420.682.

Instruments

Sociodemographic questionnaire

The questionnaire was created based on the literature review and developed specifically for this research. The questionnaire included baseline and mental health characteristics such as age, gender, marital status, skin color/race, family income, close person (relative, friend, boyfriend/girlfriend, etc.) with COVID-19, year of the course, history of psychological/psychiatry treatment, and aspects related to the academic context during the pandemic, such as study routine, attending classes online, practicing social distancing, and self-rated mental health.

Brief Coping Orientation to Problems Experienced inventory (Brief COPE)

The inventory was created by Carver22 and it is a reduced version of the COPE Inventory (Coping Orientation for Problem Experiences). The Brief COPE is available in a Brazilian Portuguese version and has been validated23. The questionnaire has a brief introduction, in which people are asked to respond on how they deal with life’s problems. The Brief COPE has 28 items distributed in 14 scales (2 items each) which are based on previous studies12),(14),(15),(24 and were categorized into 3 categories: problem-focused (planning, active coping and instrumental support), emotion-focused (acceptance, emotional support, religion, positive reframing, and humor), and avoidance coping (self-distraction, venting, self-blame, behavioral disengagement, denial and substance use). The inventory is evaluated by an ordinal scale ranging from 1 (“I haven’t been doing this at all”) to 4 (“I’ve been doing this a lot”). The result is obtained by adding the item scores for each subscale, and the higher the obtained score, the greater the use of a given coping strategy23.

Depression, Anxiety, and Stress Scale (DASS-21)

The Depression, Anxiety and Stress Scale (DASS-21) was adapted and validated for Brazilian Portuguese by Vignola25, based on the original version by Lovibond and Lovibond26. Each DASS-21 subscale has seven items to assess emotional states of depression, anxiety, and stress. There are four possible answers in terms of severity or frequency, organized on a Likert-type scale from “I totally disagree” (whose score is zero) to “I totally agree” (whose score is three). To calculate the final score, total scores for each subscale were multiplied by two. For DASS-21, the respondent is required to indicate the presence of a symptom during the past week. Total scores on the depression, anxiety, and stress domains were categorized into normal, mild, moderate, severe, and extremely severe. For the statistical analysis, these categories were then divided into clinically irrelevant (normal-mild) and clinically relevant (moderate-extreme severe). It was decided to join mild symptoms with the normal level, as mild means that the person is above the population mean, but still well below the typical severity of people who are seeking help27. This method was also used by others studies with medical students and different professions during the COVID-19 pandemic16),(28.

Data Analysis

Completed questionnaires were extracted from Google Forms as an Excel spreadsheet and were then incorporated into Jamovi (version 1.6.23.0) for data analysis. The normality of data was first tested with Shapiro-Wilk test, which showed that the data did not have a normal distribution (p<0.05) and, therefore, non-parametric statistics were employed. Data were expressed as mean (M), and standard deviation (SD) for continuous variables and as number and percentage for categorical variables.

The reliability analysis of the instruments was assessed with Cronbach’s Alpha (α) following a common recommendation that alpha values ranging from 0.70 to 0.95 are acceptable for good internal consistency29.

Pearson’s chi-square test was used to assess the association between categorical variables and depression, anxiety, and stress. The effect size was calculated for the significant results with Cramer’s V using the following references: for 1 degree of freedom (small: 0.10; medium: 0.30; and large: 0.50), for 2 degrees of freedom (small: 0.07; medium: 0.21; and large: 0.35); for 3 degrees of freedom (small: 0.06; medium: 0.17; and large: 0.29) (30.

Poisson regression with robust variance was used to build a multivariate regression model using the hierarchical input. After calculating the prevalence ratio (PR) and the respective 95% confidence intervals (95%CI), the independent variables that had a significance level with p<0.20 in the bivariate analysis were included in the final multivariate regression model.

Spearman's correlation test was used to assess the correlation between coping strategies and depression, anxiety, and stress scores. For Spearman’s Correlation, the following references were used: weak (0.1-0.3), moderate (0.4-0.6), and strong (>0.7)31. Fisher's r-to-z transformation test was used to assess whether there were significant differences between the correlations32.

The p-value ≤0.05 was considered significant for all statistical analyses and all tests were 2-tailed.

RESULTS

Sociodemographic characteristics

A total of 141 medical students aged 18 to 53 years old (M = 24.9; SD = 5.01) completed the questionnaire (42.3% of response rate) and there were no missing data to be computed. Demographic data showed that most students were 18 to 24 years old (86; 61%); female (84; 59.6%); single (132; 93.6%), of brown/black ethnicity (73; 51.8%); with a family income less than or equal to 5 minimum wages (78; 55.3%) and had some close person (relative, friend, boyfriend, etc.) diagnosed with COVID-19 (96; 68.1%). About the academic variables, most students were in their first years of medical training (79; 53.9%), rarely managed to maintain a regular study routine during the pandemic (58; 41.1%) and were attending classes online (99; 70.2%). Most students were practicing social distancing, going out only for essential and/or unavoidable activities (105; 74.5%). Regarding their mental health, most students had a history of psychological/psychiatric treatment (72; 51.1%) and self-rated that their mental health got worse compared with the period before the pandemic (93; 66%).

Depression, anxiety and stress in medical students

The reliability analysis with Cronbach’s Alpha in our study showed good internal consistency for all three DASS-21 subscales: Depression (α = 0.90), Anxiety (α = 0.90), and Stress (α = 0.91). The mean score of stress was the highest (M = 23; SD = 11.8), followed by depression (M = 17.1; SD = 11.9) and anxiety (M = 12.7; SD = 12.1).

Depression, anxiety, and stress symptoms were analyzed according to their prevalence and severity (Table 1). It was verified that 55.3% of the students suffered from a moderate to an extremely severe degree of depression (moderate 22%, severe 11.3%, and extremely severe 22%). Also, 50.4% of students suffered from a moderate to an extremely severe degree of anxiety (moderate 11.3%, severe 10.6%, and extremely severe 28.3%). Moreover, 61% suffered from a moderate to an extremely severe degree of stress (moderate 14.9%, severe 22%, and extremely severe 24.1%).

Table 1 Prevalence and severity of depression, anxiety and stress in the respondents attending a public medical school from December 1, 2020 to February 28, 2021, Minas Gerais, Brazil, 2021 (N=141). 

Depression Anxiety Stress
Category n % (95%CI) n % (95%CI) n % (95%CI)
Normal-Mild 63 44.7 (36.7-52.9) 70 49.6 (41.5-57.8) 55 39 (31.3-47.2)
Moderate-Extremely severe 78 55.3 (47.1-63.3) 71 50.4 (42.2-58.5) 86 61 (52.8-68.7)
Level
Normal 44 31.2 (24.1-39.3) 61 43.2 (3.35-51.5) 39 27.7 (20.9-35.6)
Mild 19 13.5 (8.8-20.1) 9 6.3 (3.3-11.7) 16 11.3 (7.1-17.6)
Moderate 31 22 (15.9-29.5) 16 11.3 (7.1-17.6) 21 14.9 (9.9-21.7)
Severe 16 11.3 (7.1-17.6) 15 10.6 (6.5-16.8) 31 22 (15.9-29.5)
Extremely severe 31 22 (15.9-29.5) 40 28.3 (21.5-36.3) 34 24.1 (17.8-31.8)

Source: prepared by the authors.

Regarding the demographic characteristics and their association with depression, anxiety, and stress (Table 2), age had no statistical significance with any disorder. Skin color/race had a small association with depression (χ² (1) = 5.03; p = 0.025; Cramer’s V = 0.18), and stress (χ² (1) = 6.67; p = 0.010; Cramer’s V = 0.21). The higher prevalence rates were found in brown/black students, with 64.4% for depression and 71.2% for stress. The medical school year had a small association with stress only (χ² (1) = 5.30; p = 0.021; Cramer’s V = 0.19) with 69.7% of prevalence in the students in the first years of the medical training. Study routine had a marginally significant medium association with depression (χ² (3) = 7.21; p = 0.066; Cramer’s V = 0.22) with the highest prevalence being found in students that never managed to maintain a regular study routine during the researched pandemic period (72%). A history of psychological/psychiatric treatment had a small association with anxiety (χ² (1) = 8.68; p = 0.003; Cramer’s V = 0.24) and stress (χ² (1) = 5.99; p = 0.014; Cramer’s V = 0.20), with a prevalence rate of 62.5% for anxiety and 70.8% for stress in students who had undergone psychological/psychiatric treatment. Self-rated mental health had a small to medium association with depression (χ² (2) = 13.3; p = 0.001; Cramer’s V = 0.30), anxiety (χ² (2) = 13.7; p = 0.001; Cramer’s V = 0.31) and stress (χ² (1) = 11.5; p = 0.003; Cramer’s V = 0.28). Students who considered that their mental health got worse during the pandemic had higher prevalence rates for depression (64.5%), anxiety (60.2%) and stress (69.9%).

Table 2 Association between demographic variables and depression, anxiety and stress in the respondents attending a public medical school from December 1, 2020 to February 28, 2021, Minas Gerais, Brazil, 2021 (N=141). 

Variables Depression Anxiety Stress
Normal-Mild Moderate-Extremely Severe p Normal-Mild Moderate-Extremely Severe p Normal-Mild Moderate-Extremely Severe p
N (%) N (%) N (%) N (%) N (%) N (%)
Age
18-24 40 (46.5) 46 (53.5) 0.585 44 (51.2) 42 (48.8) 0.652 35 (40.7) 51 (59.3) 0.607
Over 24 23 (41.8) 32 (58.2) 26 (47.3) 29 (52.7) 20 (36.4) 35 (63.6)
Gender
Female 37 (44) 47 (56) 0.854 40 (47.6) 44 (52.4) 0.559 33 (39.3) 51 (60.7) 0.934
Male 26 (45.6) 31 (54.4) 30 (52.6) 27 (47.4) 22 (38.6) 35 (61.4)
Skin color/race
Brown/black 26 (35.6) 47 (64.4) 0.025 31 (42.5) 42 (57.5) 0.077 21 (28.8) 52 (71.2) 0.010
White 37 (54.4) 31 (45.6) 39 (57.4) 29 (42.6) 34 (50) 34 (50)
Family income
≤ 5 MWa 35 (44.9) 43 (55.1) 0.990 38 (48.7) 40 (51.3) 0.968 29 (37.2) 49 (62.8) 0.663
> 5 to 10 MW 22 (44.9) 27 (55.1) 25 (51) 24 (49) 19 (38.8) 30 (61.2)
>10 MW 6 (42.9) 8 (57.1) 7 (50) 7 (50) 7 (50) 7 (50)
Close person (relative, friend, boyfriend, etc.) with COVID-19
Yes 46 (47.9) 50 (52.1) 0.259 46 (47.9) 50 (52.1) 0.549 38 (39.6) 58 (60.4) 0.838
No 17 (37.8) 28 (62.2) 24 (53.3) 21 (46.7) 17 (37.8) 28 (62.2)
Year at medical school
First years 32 (42.1) 44 (57.9) 0.506 37 (48.7) 39 (51.3) 0.805 23 (30.3) 53 (69.7) 0.021
Final years 31 (47.7) 34 (52.3) 33 (50.8) 32 (49.2) 32 (49.2) 33 (50.8)
Attended classes online
Yes 41 (41.4) 58 (58.6) 0.231 48 (48.5) 51 (51.5) 0.672 35 (35.4) 64 (64.6) 0.172
No 22 (52.4) 20 (47.6) 22 (52.4) 20 (47.6) 20 (47.6) 22 (52.4)
Study routine
Never 6 (24) 19 (76) 0.066 9 (36) 16 (64) 0.266 7 (28) 18 (72) 0.342
Rarely 25 (43.1) 33 (56.9) 32 (55.2) 26 (44.8) 22 (37.9) 36 (62.1)
Occasionally 24 (57.1) 18 (42.9) 19 (45.2) 23 (54.8) 17 (40.5) 25 (59.5)
Frequently 8 (50) 8 (50) 10 (62.5) 6 (37.5) 9 (56.3) 7 (43.8)
Social distancing
Yes 51 (48.6) 54 (51.4) 0.113 52 (49.5) 53 (50.5) 0.961 44 (41.9) 61 (58.1) 0.228
No 12 (33.3) 24 (66.7) 18 (50) 18 (50) 11 (30.6) 25 (69.4)
History of psychological/psychiatric treatment
Yes 28 (38.9) 35 (50.7) 0.158 27 (37.5) 45 (62.5) 0.003 21 (29.2) 51 (70.8) 0.014
No 44 (61.1) 34 (49.3) 43 (62.3) 26 (37.7) 34 (49.3) 35 (50.7)
Self-rated mental health
Worse 33 (35.5) 60 (64.5) 0.001 37 (39.8) 56 (60.2) 0.001 28 (30.1) 65 (69.9) 0.003
Neither worse nor better 26 (70.3) 11 (29.7) 28 (75.7) 9 (24.3) 23 (62.2) 14 (37.8)
Better 4 (36.4) 7 (63.6) 5 (45.5) 6 (54.5) 4 (36.4) 7 (63.6)

aMW: Minimum Wage per month (BRL $1.100.00 or approximately US$ 197.11).

Source: prepared by the authors.

The multivariate Poisson regression (Table 3) showed that, compared to white students, brown/black students had 1.46 times higher prevalence of depression (Adj. PR = 1.46, 95%CI: 1.07-2.01, p = 0.019) and 1.43 times higher prevalence of stress (Adj. PR = 1.42; 95%CI: 1.08-1.89, p = 0.013). Students that occasionally maintained a regular study routine had lower prevalence of depression (Adj. PR = 0.54; 95%CI: 0.34-0.84, p = 0.008) compared with students that never managed to maintain a regular study routine during the researched pandemic period. Students that had a history of psychological/psychiatric treatments had 73% higher prevalence of anxiety (Adj. PR = 1.73; 95%CI: 1.23-2.46, p = 0.002) and 44% higher prevalence of stress (Adj. PR = 1.44; 95%CI: 1.09-1.91, p = 0.011) compared with those that did not have any history. Finally, students who self-rated that their mental health neither worsened nor improved during the pandemic period had a significantly lower prevalence of depression (Adj. PR = 0.48; 95%CI: 0.30-0.74, p = 0.002), anxiety (Adj. PR = 0.43; 95%CI: 0.25-0.69, p = 0.001), and stress (Adj. PR = 0.58; 95%CI: 0.39-0.83, p = 0.005) compared with those students that considered that their mental health got worse.

Table 3 Multivariate Poisson regression between sociodemographic variables and depression, anxiety and stress in the respondents attending a public medical school from December 1, 2020 to February 28, 2021, Minas Gerais, Brazil, 2021 (N=141). 

Variable Depression Anxiety Stress
PRa (95%CI) Adj. PRb (95%CI) PR (95%CI) Adj. PR (95%CI) PR (95%CI) Adj. PR (95%CI)
Age 0.55 (0.47-0.63) 0.97 (0.93-1.0) 0.96 (0.92-1.00) 0.96 (0.93-0.99)* 0.96 (0.92-0.99)
Gender
Female 1.02 (0.76-1.40 1.10 (0.79-1.56) 0.98 (0.75-1.30)
Male 1 1 1
Skin color/race
White 1 1 1 1 1 1
Brown/black 1.41 (1.04-1.92)* 1.46 (1.07-2.01)* 1.39 (0.96-1.89) 1.31 (0.93-1.85) 1.42 (1.08-1.87)* 1.43 (1.08-1.89)*
Family income
≤ 5 MWc 1 1 1
> 5 to 10 MW 1.0 (0.71-1.37) 0.95 (0.66-1.36) 0.97 (0.72-1.29)
> 10 MW 1.03 (0.60 -1.68) 0.97 (0.52-1.66) 0.79 (0.46-1.27)
Close person (relative, friend, boyfriend, etc.) with COVID-19
Yes 1 1 1
No 1.19 (0.87-1.62) 0.89 (0.61-1.27) 1.03 (0.77-1.36)
Year at medical school
First years 1 1 1 1
Final years 0.90 (0.66-1.22) 0.95 (0.68-1.33) 0.72 (055-0.95)* 0.87 (0.64-1.17)
Attended classes online
Yes 1.23 (0.88-1.75) 1.08 (0.75-1.57) 1.23 (0.91-1.68) 1.17 (0.84-1.63)
No 1 1 1 1
Study Routine
Never 1 1 1 1 1 1
Rarely 0.74 (0.51-1.10) 0.78 (0.52-1.16) 0.70 (0.45-1.10) 0.74 (0.47-1.17) 0.86 (0.60-1.24) 0.90 (0.61-1.32)
Occasionally 0.56 (0.36-0.87)* 0.54 (0.34-0.84)** 0.85 (0.54-1.36) 0.76 (0.48-1.22) 0.82 (0.56-1.22) 0.74 (0.49-1.11)
Frequently 0.65 (0.36-1.13) 0.68 (0.37-1.19) 0.58 (0.28-1.11) 0.59 (0.29-1.13) 0.60 (0.34-1.03) 0.60 (0.33-1.05)
Social distancing
Yes 0.77 (0.56-1.07) 0.82 (0.59-1.16) 1.01 (0.69-1.49) 0.83 (0.62-1.12)
No 1 1 1 1
History of psychological/psychiatric treatment
Yes 1.24 (0.91-1.68) 1.30 (0.95-1.77) 1.65 (1.18-2.35)** 1.73 (1.23-2.46)** 1.39 (1.06-1.83)* 1.44 (1.09-1.91)*
No 1 1 1 1 1 1
Self-rated mental health
Worse 1 1 1 1 1
Neither worse nor better 0.46 (0.29-0.69)*** 0.48 (0.30-0.74)** 0.40 (0.23-0.64)** 0.43 (0.25-0.69)** 0.54 (0.37-0.76)** 0.58 (0.39-0.83)*
Better 0.98 (0.55-1.61) 0.95 (0.52-1.62) 0.90 (0.47-1.58) 0.92 (0.47-1.64) 0.91 (0.53-1.44) 1.03 (0.60-1.68)

Note: *p<0,05, **p<0,01, ***p<0,001.

aPR: Prevalence Ratio

bAdj. PR: Adjusted Prevalence Ratio

cMW: Minimum Wage per month (BRL $1.100,00 or approximately US$ 197,11).

Source: prepared by the authors.

Coping strategies

The reliability analysis with Cronbach’s Alpha in our study showed good internal consistency for all three coping categories: Problem-focused (α = 0.75), Emotion-focused (α = 0.70), and Avoidance (α = 0.82).

The most common coping strategies used by the students were planning in the problem-focused category (M = 6.09; SD = 1.40), acceptance in the emotion-focused category (M = 6.16; SD = 1.55) and self-distraction in the avoidance category (M = 6.10; SD = 1.57) (Table 4). Overall, the coping strategies in the avoidance category was the most frequently used by the students (M = 26.5; SD = 6.47), especially by those in the moderate-extreme severe level of depression (M = 29.8; SD = 6.16), anxiety (M = 29.8; SD = 6.19) and stress (M = 29.3; SD = 6.11).

Table 4 Coping strategies and depression, anxiety and stress in the respondents attending a public medical school from December 1, 2020 to February 28, 2021, Minas Gerais, Brazil, 2022 (N=141). 

Coping strategies Overall M (SD) Depression M (SD) Anxiety M (SD) Stress M (SD)
Problem-focused 16.5 (3.69) 16.4 (3.95) 16.8 (3.78) 16.7 (3.95)
Planning 6.09 (1.40) 6.12 (1.49) 6.08 (1.46) 6.17 (1.46)
Active coping 5.66 (1.60) 5.32 (1.67) 5.61 (1.57) 5.53 (1.61)
Instrumental support 4.74 (1.72) 4.92 (1.79) 5.14 (1.80) 5.03 (1.79)
Emotion-focused 25.2 (5.19) 24 (5.43) 24.9 (6.09) 24.7 (5.72)
Acceptance 6.16 (1.55) 5.68 (1.63) 5.70 (1.66) 5.81 (1.63)
Emotional support 5.47 (1.73) 5.35 (1.70) 5.39 (1.84( 5.47 (1.79)
Positive reframing 5.40 (1.95) 5.10 (1.94) 5.58 (1.95) 5.31 (2.02)
Religion 4.95 (2.26) 4.49 (2.16) 4.87 (2.25) 4.69 (2.27)
Humor 3.24 (1.50) 3.43 (1.72) 3.34 (1.67) 3.44 (1.72)
Avoidance 26.5 (6.47) 29.8 (6.16) 29.8 (6.19) 29.3 (6.11)
Self-distraction 6.10 (1.57) 6.01 (1.70) 6.07 (1.68) 6.17 (1.64)
Venting 4.96 (1.62) 5.19 (1.52) 5.32 (1.57) 5.35 (1.58)
Self-blame 4.88 (1.83) 5.85 (1.67) 5.58 (1.74) 5.53 (1.70)
Behavioral Disengagement 4.18 (2.02) 5.17 (1.96) 5.21 (2.03) 4.84 (2.03)
Denial 2.91 (1.63) 3.36 (1.98) 3.44 (1.96 3.30 (1.92)
Substance use 3.50 (2.14) 4.18 (2.34) 4.20 (2.38) 4.09 (2.34)

Source: prepared by the authors.

Regarding the relationship between coping strategies and depression, anxiety and stress symptoms (Table 5), problem-focused strategies had no significant correlation with depression, anxiety or stress. Emotion-focused strategies had a weak negative correlation with depression only [rs = -0.29 (95%CI: -0.43 - -0.13), p < 0.001]. Avoidance had a moderate positive correlation with depression [rs = 0.68 (95%CI: 0.58 - 0.75), p < 0.001], anxiety [rs = 0.56 (95%CI: 0.43 - 0.66), p < 0.001], and stress [rs = 0.66 (95%CI: 0.55 - 0.74), p < 0.001]. Fisher’s r-to-z transformation test showed that avoidance was more strongly associated with depression than with anxiety (z = 2.291; p = 0.011). There was no significant difference in relation to stress (z = 0.472; p = 0.318).

Table 5 Correlation between coping strategies and depression, anxiety and stress in the respondents attending a public medical school from December 1, 2020 to February 28, 2021, Minas Gerais, Brazil, 2022 (N=141). 

Coping strategies Depression rs (95%CI) Anxiety rs (95%CI) Stress rs (95%CI)
Problem-focused -0.08 (-0.24-0.08) 0.05 (-0.11-0.21) 0.05 (-0.11-0.21)
p-value 0.305 0.502 0.526
Emotion-focused -0.29 (-0.43 - -0.13) -0.12 (-0.27-0.04) -0.15 (-0.30-0.01)
p-value <0.001 0.130 0.068
Avoidance 0.68 (0.58-0.75) 0.56 (0.43-0.66) 0.66 (0.55-0.74)
p-value <0.001 <0.001 <0.001

Source: prepared by the authors.

DISCUSSION

Key findings

We found high prevalence rates of depression, anxiety, and stress symptoms in the undergraduate medical students during the pandemic period. Stress symptoms were the most prevalent ones and anxiety symptoms had higher severity.

Regarding the demographic characteristics and their association with depression, anxiety, and stress, skin color/race showed an association with depression and stress, with the higher prevalence in brown/black students. The medical school year was associated with stress only, with the highest prevalence found in the students attending the first years of medical training. Study routine had a marginally-significant association with depression, with the higher prevalence found in students that never managed to maintain a regular study routine during the researched pandemic period. A history of psychological/psychiatric treatment showed an association with anxiety and stress, with higher prevalence in students who had undergone psychological/psychiatric treatment. The self-rated mental health showed an association with depression, anxiety, and stress, with higher prevalence in students who considered their mental health had worsened.

As for coping strategies, problem-focused strategies had no significant correlations with depression, anxiety, or stress. Emotion-focused strategies had a weak negative correlation with depression and avoidance strategies had a moderate positive correlation with depression, anxiety, and stress.

Interpretation of results

Compared with previous studies about mental health problems among medical students in Brazil2),(33, and with other studies during the COVID-19 pandemic34)-(36, the medical students who participated in our study show higher prevalence of depression, anxiety, and stress symptoms. The pandemic context seems to contribute to an increase in the overall prevalence of depression and anxiety in undergraduate medical students10. Compared with the Brazilian general population37 and with Brazilian undergraduate students from other courses38),(39 the medical students in this study had much higher prevalence rates of depression, anxiety, and stress symptoms.

In our study, stress and anxiety had high severity ratings. This may occur due to the uncertainty and the fear about the pandemic and the suspension of in-person classes. A similar study states that an elevated level of stress has had a negative impact on medical students and raised concerns regarding graduation, fears about self-isolation, and uncertainty about returning to normal life40.

Female gender is generally associated with mental problems among medical students2),(41. Nonetheless, during the COVID-19 outbreak context, we did not find any significant differences regarding gender. Others studies, however, have found that the prevalence of depression, anxiety, and stress in women was significantly higher than in men3),(42),(43.

Regarding skin color/race, medical students in Brazil are more frequently white, wealthy, and upper-middle-class44, which contributed to the existence of racial inequality45. Before the pandemic period, non-white medical students had higher prevalence of depression symptoms and were also associated with poorer mental health and quality of life33),(46. In the pandemic period, we confirmed a high prevalence rate of depression and stress symptoms in brown/black medical students. This result may be explained by the fact that racial disparities increased in the pandemic period47. Additionally, in the general population, brown skin was a risk factor for severe/extreme anxiety and depression during the social distancing measures37. Another study found that black Brazilians had an increased risk of death by COVID-19 when compared to white ones48.

As for mental health, having a history of psychiatric/psychological treatment was an associated factor before the pandemic49. In the COVID-19 period, students with a previous diagnosis of mental disorders and higher baseline levels of depression, anxiety, and stress were found to be more likely to have mental problems10),(50. In addition to a history of mental disorders, another study found that 81.4% of medical students reported having observed some psychological or behavioral change in themselves during the social distancing period50. We found similar results, as students who considered that their mental health got worse during the pandemic period had higher prevalence rates of depression, anxiety, and stress.

About the coping strategies, our study supports evidence from a previous observation related to medical students with depression, anxiety, and stress using more avoidance strategies during the pandemic35. Additionally, a prior study with Chinese medical students showed that depression and anxiety negatively correlated with positive coping and positively correlated with negative coping51. As with medical students in our study, other studies in Brazil showed that undergraduate students from other courses38 and graduate students39 with depression, anxiety, and stress were also using more avoidance strategies. Interestingly, both Brazilian medical students and the Brazilian general population were using more avoidance coping strategies during the pandemic period52.

Regarding positive coping strategies, medical students in our study used planning and acceptance, which is similar to a study from Pakistan with students from other courses53. In addition to these strategies, other studies with medical students found they used different positive strategies, such as video chats and social media apps, mindfulness, meditation, fitness, music, reading, watching movies, playing video games, and online fun with family and friends40),(43.

Overall, our results confirm the significant association between coping strategies and the presence of psychological disorders in medical students during the COVID-19 pandemic. Possible mental health problems in these students may occur due to the greater use of avoidance strategies, since it showed a greater association with negative outcomes.

Strengths and limitations

The present research, to the best of our knowledge, appears to be one of the first studies to thoroughly assess Brazilian medical students’ mental health and coping strategies during the COVID-19 pandemic outbreak. Some limitations of the present study should be taken into account. In addition to being a cross-sectional investigation, it is impossible to establish a causal relationship between the variables. The information on the study variables was obtained via an online self-administered questionnaire. We also have to consider that other aspect of the students’ lives that were not assessed in this research may contribute to their mental health, such as economic problems, changes in family dynamics, students that moved to or returned home and students who worked from home helping other family members. Moreover, we did not focus on other causes for depression and anxiety, such as personality traits. The generalizability of the findings of this study to other medical students should be done with caution.

CONCLUSION

We identified a high prevalence of depression, anxiety, and stress symptoms in the Brazilian undergraduate medical students surveyed during the COVID-19 pandemic. We also found a moderate positive correlation between these psychological disorders and the use of coping strategies in the avoidance category, such as self-blame and behavioral disengagement. Additional studies may further evaluate evidence-based interventions to help students use more functional coping strategies.

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2Evaluated by double blind review process.

SOURCES OF FUNDING The authors declare no sources of funding for this research.

Received: February 25, 2022; Accepted: July 19, 2022

tamaro.mendes@ufvjm.edu.br anacatarina.dias@ufvjm.edu.br

Chief Editor: Rosiane Viana Zuza Diniz. Associate editor: Pedro Tadao Hamamoto Filho.

CONFLICTS OF INTEREST

The authors declare no conflicts of interest related to this research.

Creative Commons License This is an open-access article distributed under the terms of the Creative Commons Attribution License