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Article

Stress in Medical Students: PRIMES, an Italian, Multicenter Cross-Sectional Study

by
Paolo Leombruni
1,
Alessio Corradi
2,*,
Giuseppina Lo Moro
2,
Anna Acampora
3,
Antonella Agodi
4,
Daniele Celotto
5,
Maria Chironna
6,
Silvia Cocchio
7,
Vincenza Cofini
8,
Marcello Mario D’Errico
9,
Carolina Marzuillo
10,
Maria Pavia
11,
Vincenzo Restivo
12,
Licia Veronesi
13,
Maria Rosaria Gualano
2,
Fabrizio Bert
2,14,†,
Roberta Siliquini
2,14,† and
on behalf of the PRIMES Collaborating Group
‡
1
Clinical Psychology Unit, Department of Neurosciences, University of Torino, 10126 Torino, Italy
2
Department of Sciences of Public Health and Pediatrics, University of Torino, 10126 Torino, Italy
3
Sezione di Igiene, Istituto di Sanità Pubblica, Università Cattolica del Sacro Cuore, 00168 Roma, Italy
4
Department of Medical and Surgical Sciences and Advanced Technologies “GF Ingrassia”, University of Catania, 95124 Catania, Italy
5
Department of Medicine, University of Udine, 33100 Udine, Italy
6
Department of Biomedical Sciences and Human Oncology, University of Bari—Aldo Moro, 70121 Bari, Italy
7
Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, 35128 Padova, Italy
8
Biostatistics and Epidemiology Unit, Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
9
Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60020 Ancona, Italy
10
Department of Public Health and Infectious Diseases, Sapienza University of Roma, 00185 Roma, Italy
11
Department of Health Sciences, University “Magna Graecia” of Catanzaro, 88100 Catanzaro, Italy
12
Department of Science for Health Promotion and Mother to Child Care “G. D’Alessandro”, University of Palermo, 90217 Palermo, Italy
13
Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy
14
Department of Quality and Safety of Care, Azienda Ospedaliero-Universitaria City of Health and Science of Torino, 10126 Torino, Italy
 
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*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
‡
Collaborators of the PRIMES Collaborating Group is provided in the Acknowledgments.
Int. J. Environ. Res. Public Health 2022, 19(9), 5010; https://doi.org/10.3390/ijerph19095010
Submission received: 22 March 2022 / Revised: 15 April 2022 / Accepted: 18 April 2022 / Published: 20 April 2022
Versions Notes

Abstract

:
Medical students (MSs) are healthcare workers and must also cope with education-related stressors. This study aims to assess factors associated with perceived stress in Italian MSs. A cross-sectional study was conducted in 12 Italian medical schools (MSCs) in November 2018. A questionnaire assessed socio-demographic characteristics, habits, opinions about MSC, and concerns about the future. Stress was assessed with the PSS-10. Descriptive and univariable tests were performed. A linear model was fitted to find associations of the PSS-10 score with characteristics. There were 2513 collected questionnaires. Median PSS-10 score was 18 (IQR 11). Median age was 22 (IQR 4) and 61% of the sample was female. Female gender, being part of a sexual minority, poor financial situation, competitive atmosphere, having hobbies, resting, and sleeping hindered by MSC were characteristics associated with higher PSS-10 scores. Current relationship, good family relationship, and no concerns about the future were protective factors. Being part of sexual minorities had greater effects in students not living away from home, while in the other group it was not having satisfying friendships. Medical students suffer higher levels of stress than the general population, and many MSC stressors are associated. Living away from home modifies risk and protective factors, offering the possibility to tailor group-specific interventions.

1. Introduction

Stress is the body’s response to pressure from life events, especially those that are unexpected and exceed personal coping strategies or directly threaten the ego [1]. It is well known that chronic stress not only impairs cognitive functions such as memory and cognition [2,3], but also immune, cardiovascular, gastrointestinal, and endocrine systems [3]. One of the most well-studied kinds of stress is work-related stress. Some categories of workers, such as healthcare workers, are at higher risk of developing high stress and burnout [4,5].
Additionally, medical students (MSs) share this higher susceptibility to stress [6,7], with some data suggesting that half of all MSs may be affected by burnout during their medical education [8], and this is perhaps an underestimation [9]. MSs are particularly exposed to multiple stressors, a diverse combination of academic deadlines [10], and daily experiences of health assistance-related challenges [11]. Finally, MSs frequently face mistreatment, which further increases the risk of stress and burnout [12,13].
Stigma may prevent MSs from asking for help, due to them being fearful of exposure to colleagues’ judgment [14]. The non-supportive climate of competition, rising with career progression, causes both stress building and shame of vulnerabilities [15].
Stress is associated with decreased satisfaction, thoughts of dropping out, and suicidal ideations, in a vicious circle that affects academic performance which causes more stress in turn [16].
Individual risk factors were described, such as female gender [17] or chronic disease [18]; furthermore, medical students are often ambitious and hard-working people [19], characteristics associated with a higher risk of developing stress [20]. However, stress is also related to environmental factors [6].
Stress in European MSs is described in the scientific literature [9], but to our knowledge no Italian nationwide data are available. In Italy, every aspiring MS must undergo a national test to compete with other participants for a limited number of places. Furthermore, students come from all over the country, but medical schools (MSCs) are in big cities, and in limited numbers (41 MSCs). Winners choose what university they will study in, if there are still places, and higher-ranking students choose first. Thus, students might need to move away from home [21] to reach the university of choice, or in the case of lower scores, students might need to move away from home to enrol at all in a medical school. For this reason, the stress acquired because of the medical school (MSC) per se seems to be exacerbated by new commitments such as shopping for food and travel [22]. Indeed, some studies have shown that medical students who have their accommodation away from home may have a higher risk of stress [23,24,25]; however, such evidence is limited, and it mostly refers to international contexts very different from the Italian one. Once the student is enrolled, MSCs last 6 years, with the first three years focusing on preclinical subjects and the last three years on clinical ones. In most MSCs, the first internship occurs in 4th year. The grade system uses a 30-point scale, and the grade average is used to calculate the mark of the degree. These scores give additional points for the specialty school test [26], another nationwide test with limited places. These factors contribute to building up competition and to the importance acknowledged by students and families of both MSC grades and mark of the degree.
Even if the definition of stress is evolving and the “historic” division between eustress and distress has been questioned [27], effects of stress on well-being are of undoubtful weight [3].
Therefore, this study aims to assess the spread of perceived stress among Italian MSs, to find and weigh possible risk and protective factors associated with this burden. Furthermore, this study aims to define the importance of the living (or not living) away from home status as a risk factor associated with developing stress in medical students, and to identify possible risk and protective factors which are specific to this characteristic, to better tailor and offer preventive interventions and treatments.

2. Materials and Methods

2.1. Study Design

A multicenter cross-sectional study named Psychosocial Report in Italian MEdical Students (PRIMES) [28] was conducted on medical students attending 12 MSCs (29.27% of Italian MSCs [29]) spread over the country (4 in northern, 3 in central, and 5 in southern Italy (ISTAT Istituto Nazionale di Statistica, [30])), representing 29.27% of the 41 Italian medical schools. Students were enrolled by convenience sampling in 1st, 4th, and 6th year of the course, with an eligible population of approximately 9000 participants. Data were collected far from exams (November 2018). A minimum sample size of 383 was calculated with Raosoft software and with the following parameters: 5% margin of error, 95% confidence level, 50% response distribution, population of 78,101 (MSs in 2017 [29]).
Participants were required to read and sign an informed consent prior to questionnaire filling. All procedures performed were in accordance with the 1964 Helsinki Declaration and its later amendments. Protocol was approved by the Ethics Committee of the University of Turin.
A self-administered questionnaire was offered in-class to enrolled medical students.

2.2. The Questionnaire

A self-administered questionnaire was developed, with a custom 30-item socio-demographic part (retrievable in Supplementary Materials) and a section whose purpose was to assess stress, the Perceived Stress Scale, 10-item version (PSS-10) [31].
Items of the socio-demographic section were meant to describe possible risk and protective factors described in the literature. Therefore, participants were asked their gender, age, nationality, family history of psychiatric disorders and suicides, personal chronic diseases, economic situation, employment condition [6], distance from home [22], people living with them, perceived family cohesion and relationship status [6,32,33,34,35], sexual orientation [36], practicing sport [37] or having a hobby [32], year of medical school attended, current performance in medical studies [32], perceived climate among classmates, and presence of satisfying friendships among them [6,11,34]. Furthermore, students were asked if they were feeling that MSC was hindering specific activities (e.g., sleeping, practicing sport) in their lives [38], what motivations were behind their university choice (e.g., helping others, intellectual curiosity) [39], and their concerns about the future [22]. More than one answer was accepted for these latter questions.
Since MSs undertreat their psychological or psychiatric conditions [14], the use of psychiatric drugs and stimulants was assessed [40].
The second section’s purpose was to assess perceived stress and stress symptoms. The PSS-10 was used. The PSS-10 is one of the most employed self-administered scales with this purpose [31], and has already been validated on a sample of university students [41]. PSS-10 items investigate the amount of life unpredictability and how much the interviewee was able to cope with it in the past 30 days. Questions are broad and fit to any population. Every item is a Likert scale from 0 to 4 but scores of some questions must be reversed (e.g., 0 = 4, 1 = 3). Therefore, total PSS-10 score (the main outcome of this study) ranges from 0 to 40 and a higher score correlates with higher perceived stress. PSS-10 score was treated as a continuous variable as there is still a lack of strong evidence of validated cut-offs. However, since some cut-offs have been adopted, for the purpose of comparability, proportions in “low risk of stress”, “medium risk of stress”, and “high risk of stress” groups are reported (0–13, 14–26, 27–40 total PSS-10 score, respectively) [42].

2.3. Statistical Analysis

Descriptive analyses were performed for all variables. Age and PSS-10 score were treated as continuous variables and are described with medians and interquartile ranges (IQRs) because of non-normal distribution (Shapiro–Wilk test). Categorical variables are described as frequencies and percentages. The same descriptive analyses were performed by stratifying the sample for away from home status: not living away from home (NLAfH) and living away from home (LAfH) subgroups were created. Then, differences between variables in the subgroups were assessed with Mann–Whitney U tests (continuous variables) and chi-square tests (categorical variables). Categorical variables were further analyzed by evaluating adjusted residuals to define pairwise differences. Median PSS-10 score was calculated for every subgroup of characteristics (e.g., males, females) and stratifying for away from home status. Statistically significant differences among subgroups were assessed via Mann–Whitney U tests and Kruskal–Wallis tests.
We developed a multivariable linear regression model to weigh associations of characteristics with perceived stress. First, suitable characteristics were entered in the model, and then selected via a backward stepwise method. Cook’s distance was then used to remove outliers. The final regression model was performed on this selected sample and with these selected characteristics, both on the whole sample and stratifying for away from home status. This final model was checked for collinearity between variables. Results are expressed as unstandardized coefficients (B) and 95% confidence intervals (95% CIs). SPSS software (version 25) was used and a two-tailed p-value < 0.05 was considered. Missing values were excluded pairwise for descriptive analyses, listwise for others.

3. Results

3.1. Characteristics of the Sample

A total of 2513 questionnaires were collected (28% response rate), but only 2455 students (97.69% of these) completed the PSS-10 section. PSS-10 median score was 18, with a high spread of results (IQR 11), while the mean was 18.56 (7.79 SD). Looking at categories, 27.9% had a “low-risk”, 55.2% a “medium-risk”, and 16.9% a “high-risk” score (data not presented in table).
Median age was of 22 years (IQR 4), and 61% of the sample was female. Years of the course were evenly represented, with 41% of respondents in 1st year, 30% in 4th year, and 29% in 6th year. A “Good” financial situation was reported by 90% of respondents, with 4% of the sample declaring having a job because of economic need. Regarding sport, 43% of the sample reported more than 90′ of physical activity per week, but 28% reported none. Sixteen percent of the sample described the medical class atmosphere as “Competitive and hostile”, and a minor part (5%) reported no satisfying friendship with classmates. In MSs’ opinion, MSC hinders having hobbies above all (53% of the sample), then resting (48%). MSC was chosen because of the need to help those who suffer (54.4% of the sample) and intellectual curiosity (45%). Finally, 47% of the sample felt not good enough for the medical profession, and 46% had concerns about limited post-degree opportunities (work, specialty school). Five percent of the sample reported use of stimulating drugs. Full descriptive data are available in Table 1.
Regarding living away from home status, the majority (60%) of the sample reported living away from home. No differences were found in PSS-10 score medians (18) and IQRs (11) among the two subgroups. The subgroups had similar distribution for most of the characteristics, with notable exceptions: LAfH students were more frequently single (51% vs. 45%) and were living much less frequently with their families (22% vs. 94%) but reported more often an “Excellent” evaluation of the relationship (55% vs. 46%). Finally, 37.5% of LAfH students declared more than 90 min of sport per week, compared to 51% of the NLAfH subgroup. A higher proportion of LAfH students reported that MSC hinders having hobbies (54.5% vs. 50%). Full data about the comparison are reported in Table 1.

3.2. Perceived Stress—Associated Characteristics

Table 2 shows PSS-10 median scores and IQRs for every characteristic subset (e.g., males and females), in the full sample and in LAfH and NLAfH subgroups.
Associations between PSS-10 score and characteristics were similar in LAFH and NLAfH subgroups, with notable exceptions. A higher PSS-10 score (23) was found in NLAfH students with a poor evaluation of the relationship with their family than in students with a good or excellent evaluation, and this association remained in LAfH students (21). Conversely, an excellent family relationship evaluation was associated with lower scores of the PSS-10 in NLAfH students. Having a job because of need was associated with higher PSS-10 scores in the NLAfH subgroup (24 vs. 20). LAfH students who did not play sport at all reported higher scores than the other subgroup, and the difference with students reporting sport activities was statistically significant in this subgroup (p < 0.001).
The results of multivariable linear regression models are reported in Table 3. Age was associated with higher stress level, but only in the LAfH subgroup (p = 0.006). Female gender was associated with stress in every subgroup, while studying in central and southern Italy, compared to northern Italy, was associated with higher stress more strongly in NLAfH students. Students attending 6th year reported lower PSS-10 scores, but only in the LAfH subgroup. The same subgroup reported higher scores if a chronic disease was present. A current relationship was associated with lower levels of perceived stress. A good or higher family relationship evaluation, having hobbies, intellectual curiosity as a motivation to enrol in MSC, and not having concerns about the future were all characteristics associated with lower PSS-10 scores in both subgroups. Conversely, being part of a sexual minority, a poor financial situation, working because of need, a negative opinion on the MSC choice, thinking the atmosphere in classes is competitive and hostile and not having satisfying friendships with classmates, feeling that MSC prevents having hobbies, sleeping adequately, and resting, and having concerns about the future were all characteristics associated with a higher level of perceived stress, although with notable differences in effect size among subgroups. Being part of a sexual minority had a greater effect in NLAfH students, while not having satisfying friendships had the biggest effect on PSS-10 scores of all assessed characteristics among LAfH students.

4. Discussion

The aim of this study was to investigate spread of perceived stress in Italian medical students, to assess and weigh possible risk and protective factors associated with perceived stress. Overall, 55.2% and 16.9% of the sample reported, respectively, medium risk and high risk of perceived stress. Given that there is no standardized test widely used in medical students [7] to measure stress, a direct comparison with other countries is difficult, as it must be limited to other studies implementing PSS-10. A Russian study reported 69.1% and 4.9% in the same medium-risk and high-risk categories [43]. A recent Polish study reported higher stress levels than those of the present work, with a mean of 22.78 in Polish students [44], while in Saudi Arabia lower levels of perceived stress were reported [45]. A Chinese study reported a slightly lower mean (18.06) in a sample of dental school students [46]. Interestingly, an Italian investigation on non-medical students reported a lower prevalence of high risk of perceived stress (10.7%), thus suggesting that the course of study might influence the development of a high level of stress [47].
Even if living away from home is a known risk factor for stress [48,49], this was not evident in our sample. However, it can be hypothesized that differences in risk and protective factors, both in terms of prevalence and weight, can explain this finding.
Regarding factors associated with higher levels of stress, female gender was one of the most important characteristics, as already reported by other authors [6]. Interestingly, age (adjusted for, among others, year of university currently attending) was associated with higher stress levels only in LAfH students. A possible explanation may be that these students have higher living expenses and thus may have more guilty feelings asking for resources from their families for longer periods of time. Another explanation could be that society and medical student peers expect them to already be working (social and peer pressure). In the same perspective, LAfH students found relief in attending the last year of university, while the same was not true in the NLAfH subgroup. At the same time, while having a chronic condition is a risk factor for stress [6], in our sample only LAfH students had a higher level of stress in the presence of a chronic condition. In a recent work [50], it has been demonstrated that LAfH university students struggle to find proper care and choose to self-treat, even if in Italy the healthcare system is free and it is not difficult to obtain general practitioner assistance.
Involvement in a relationship is a well-known protective factor for psychological well-being, already demonstrated in medical students [6]. In this study, the statistical significance of this association was demonstrated only in NLAfH students, but a mild, non-significant effect (p = 0.117) was also found in LAfH students. However, a clear and statistically significant effect was found for non-heterosexual sexual attraction, and the size of the effect was greater in NLAfH students. Being part of a “sexual minority”, in a country that still applies stigmas and discrimination [51], has widely described effects on psychological well-being [36]. However, the results of this study suggest that non-heterosexual students who were forced (or who chose) to move from their home still show a higher level of stress, but to a lesser extent compared to those students who, living in their home cities, probably still have to face stigma from society or even their families.
Unsurprisingly, the effect of the quality of the relationship with family, that has the role of a social support [6], was greater in NLAfH students. However, it must be noted that students living with their families were less prone to define their relationship as “Excellent”.
Regarding financial situation, adjusted regression showed that working was not associated with stress per se, but because of the bad financial situation that often required MSs to work. A bad financial situation has already been associated with higher stress levels in medical students [52].
Regarding free time, surprisingly, sport was not associated with lower level of stress in the adjusted model, but almost obtained statistical significance in the whole sample analysis (p = 0.051). Since sport has widely known positive effects on mental health [28,53], this finding should be deepened by further studies. However, the mere fact that 31.5% of LAfH students and 23.5% of NLAfH ones do not play sport at all could contribute to the high PSS-10 scores measured. In the same context, feeling that MSC prevents having hobbies, sleeping, and resting was associated with higher stress levels, and this finding was true for both subgroups.
Other factors associated with higher PSS-10 score were social ones. Thinking that the atmosphere in the medical class is competitive and hostile and not having satisfying friendships were independently associated with higher stress. However, the latter reached statistical significance (p < 0.001) in the LAfH subgroup only, suggesting that these students do not have any local social networks that can compensate for the bad relationship status with other medical students [54].
Finally, lack of motivation, i.e., negatively considering the choice of becoming an MS, was associated with higher PSS-10 score in both subgroups. Medical students having a lower level of perceived stress reported the future as stimulating, but it was higher if they felt not good enough for the profession. Interestingly, these concerns had a greater effect on stress in the LAfH students, possibly suggesting that these students fear the end of university more, with the risk of returning to their home cities and possibly being cut away from their new social network, in the case of a bad result on the specialty school national test.
This work has several limitations and strengths. First, the sampling was convenient and not randomized. However, an acceptable representativeness was achieved with wide sampling over the entire country of a considerable number of universities. Second, findings are associations that cannot be considered as causal links, given the cross-sectional study design. Still, this study had the aim to assess the presence of well-known risk factors for stress in a specific population and in specific subgroups, and it is the first multicenter study assessing stress prevalence in Italian medical students.

5. Conclusions

This study assessed stress and characteristics associated with stress in a large sample of medical students, furtherly stratifying the analysis by living status. These new findings, which further studies could generalize to the whole population of university students, seem to suggest that these two subgroups share many risk factors for stress, but others are specific for each subgroup. Thus, stakeholders interested in MSs’ health should offer specific and tailored interventions, accounting for those differences.

Supplementary Materials

The following supporting information can be downloaded at: https://www.mdpi.com/article/10.3390/ijerph19095010/s1. The socio-demographic questionnaire used in the study (translated in English) is provided.

Author Contributions

Conceptualization, P.L., F.B. and R.S.; methodology, P.L., A.C., G.L.M. and M.R.G.; validation, P.L., F.B. and R.S.; formal analysis, P.L., A.C. and G.L.M.; investigation, A.C., G.L.M., A.A. (Anna Acampora), A.A. (Antonella Agodi), D.C., M.C., S.C., V.C., M.M.D., C.M., M.P., V.R., L.V., M.R.G. and PRIMES Collaborating Group; resources, P.L., F.B. and R.S.; data curation, A.C. and G.L.M.; writing—original draft preparation, A.C. and G.L.M.; writing—review and editing P.L., F.B. and R.S.; supervision, P.L., A.A. (Anna Acampora), A.A. (Antonella Agodi), D.C., M.C., S.C., V.C., M.M.D., C.M., M.P., V.R., L.V., M.R.G., F.B. and R.S.; project administration, P.L., F.B. and R.S. All authors have read and agreed to the published version of the manuscript.

Funding

This research received no external funding.

Institutional Review Board Statement

The study was conducted in accordance with the Declaration of Helsinki, and approved by the Ethics Committee of the University of Turin (protocol code 420112, 12 October 2018).

Informed Consent Statement

Informed consent was obtained from all subjects involved in the study.

Data Availability Statement

The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy restrictions.

Acknowledgments

The authors would also like to thank Silvio Brusaferro for his valuable collaboration and Sonia Barello, Michele Nicoletti, Domenico Pascucci, Michele Sassano, and Leonardo Villani for helping with the questionnaires’ distribution. Sincere thanks also to all the students involved in this study. PRIMES Collaborating Group: Dario Arzani, Valentina Baccolini, Vincenzo Baldo, Martina Barchitta, Diego Bernini, Laura Brunelli, Alessandra Casuccio, Martina D’Errico, Simona D’Onofrio, Daniela Loconsole, Elena Olivero, Paola Rossello.

Conflicts of Interest

The authors declare no conflict of interest.

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Table
Table 1. Characteristics of the sample.
Table 1. Characteristics of the sample.
Characteristic All Students n = 2513NLAfH 39.6%LAfH 60.4%p
Age 22 (4)22(4)22(4)0.539
PSS-10 score 18(11)18(11)18(11)0.756
GenderMale38.6 38.9 38.5 0.824
Female61.4 61.0 61.4
University locationNorthern Italy39.6 41.2 38.6 0.284
Central Italy22.2 20.7 23.1
Southern Italy38.1 38.0 38.1
Year of university1st41.2 41.7 40.8 0.046
4th29.7 27.1ᵇ31.4ᵃ
6th29.0 31.1 27.6
Chronic disease † 7.1 7.0 7.1 0.928
Currently in a relationshipSingle48.4 44.7ᵇ50.9ᵃ0.002
Involved51.5 55.2ᵃ49.0ᵇ
Being part of a sexual minorityNo86.1 84.8 87.0 0.123
Yes13.9 15.2 13.0
Current housematesNo one4.6 1.4ᵃ6.7ᵇ<0.001
Partner/Friends45.1 4.7ᵃ71.5ᵇ
Family50.3 93.9ᵇ21.8ᵃ
Family history of mental illness † 23.8 23.4 24.1 0.696
Family history of suicide † 5.8 5.6 6.0 0.682
Family relationship evaluationPoor/excessive 10.9 12.4 10.0 <0.001
Good37.5 41.9ᵃ34.6ᵇ
Excellent51.4 45.6ᵇ55.3ᵃ
Financial situationGood89.7 89.0 90.1 0.393
Poor10.3 10.9 9.8
Employment situationHave a job because of need4.4 5.3 96.3 0.059
Do not have a job/Have a job but do not need it95.6 94.7 3.7
Having a hobby † 69.8 70.6 69.1 0.419
Playing sportNo28.3 23.5ᵇ31.5ᵃ<0.001
Less than 90′ a week28.8 25.5ᵇ31.0ᵃ
More than 90′ a week42.8 51.0ᵃ37.5ᵇ
Current opinion on the medical school choicePositive79.2 80.4 78.4 0.217
Negative/No opinion20.8 19.5 21.5
Current opinion on medical class atmosphereFriendly/Stimulating/No opinion83.8 84.3 83.4 0.553
Competitive and hostile16.1 15.6 16.5
Satisfying friendships with classmatesYes/Not yet94.5 94.6 94.5 0.948
No5.4 5.3 5.4
Feeling that medical school prevents ‡Playing sport45.1 43.1 46.3 0.117
Having hobbies52.7 49.9ᵇ54.5ᵃ0.025
Sleeping adequately40.4 40.8 40.1 0.721
Seeing friends42.9 44.2 42.1 0.319
Resting48.3 48.2 48.3 0.926
Motives underlying medical school choice ‡High gain opportunities10.0 10.3 9.87 0.717
Employment opportunities/Social prestige29.3 29.0 29.5 0.775
Personal/Family history of disease16.6 16.1 17.0 0.571
Acquaintance/Relative MD influence6.4 7.6 5.7 0.060
Helping those who suffer51.4 52.3 50.9 0.490
Interest in human relationships36.8 35.8 37.5 0.412
Intellectual curiosity45.0 45.3 44.8 0.792
Imposition by parents/relatives0.5 0.8 0.4 0.175
Concerns about the future ‡No, future is stimulating24.3 25.6 23.4 0.226
No, not thinking about future6.3 6.6 6.1 0.614
Yes, not feeling good enough for the profession46.7 46.3 46.9 0.753
Yes, about the specialty choice20.8 21.8 20.2 0.331
Yes, about limited work/specialty opportunities46.4 45.9 46.7 0.677
Stimulating drugs 4.9 5.0 4.8 0.850
Figures are percentages or medians (IQRs). NLAfH Not Living Away from Home, LAfH Living Away from Home † Yes/no answers. Yes answer prevalence is reported. ‡ More than one answer was possible. ᵃ Adjusted residual > 2.00. ᵇ Adjusted residual < 2.00.
Table
Table 2. PSS-10 median score per characteristic per living status.
Table 2. PSS-10 median score per characteristic per living status.
CharacteristicAll StudentsNLAfHLAfH
Median IQR Median IQR Median IQR
Gender <0.001 <0.001 <0.001
Male15 10 15 10 16 10
Female20 11 20 11 20 12
University location 0.005 0.331 0.005
Northern Italy18ᵃ11 18 11 18ᵃ11
Central Italy19ᵇ13 19 14 19ᵇ12
Southern Italy18ᵃ,ᵇ11 18 9 18ᵃ,ᵇ11
Year of university <0.001 <0.001 <0.001
1st16ᵃ10 15ᵃ10.75 16ᵃ10
4th20ᵇ12 20ᵇ11 20ᵇ12
6th20ᵇ11 20ᵇ11 19ᵇ10.5
Chronic disease <0.001 0.008 0.001
No18 11 18 11 18 11
Yes21 10.75 21 16 21 8.25
Currently in a relationship 0.728 0.158 0.505
Single18 11 18 10 18 11
Involved18 11.5 18 11 18 12
Being part of a sexual minority <0.001 <0.001 0.001
No18 12 18 11 18 11
Yes20 11 20 11 20.5 11.75
Current housemates 0.174 0.230 0.255
No one17 12 20 10 17 12
Partner/Friends19 11 21 10.5 18 11
Family18 11 18 11 18 11
Family history of mental illness <0.001 <0.001 <0.001
No18 11 18 11 18 12
Yes20 11 20 12 20 11
Family history of suicide <0.001 0.030 0.001
No18 11 18 11 18 11
Yes20 12 20 11 20.5 12
Family relationship evaluation <0.001 <0.001 <0.001
Poor/Excessive21c11 23c11 21ᵇ10
Good20ᵇ11 19ᵇ10 20ᵇ12
Excellent16ᵃ11 16ᵃ12 17ᵃ10
Employment situation <0.001 <0.001 0.068
Have a job because of need22 12 24 9.5 20 13
Do not have a job/Have a job but do not need it18 11 18 10 18 11
Financial situation <0.001 <0.001 <0.001
Good18 11 18 11 18 10
Poor23 11 23 9 23 12
Having a hobby <0.001 <0.001 <0.001
No21 12 21 12 20 12
Yes17 11 17 10 17 11
Playing sport <0.001 0.278 <0.001
No19ᵇ11 19 11 20ᵇ12
Less than 90′ a week18ᵃ,ᵇ11 19 10 18ᵃ11
More than 90′ a week18ᵃ11 18 12 17ᵃ11
Current opinion on the medical school choice <0.001 <0.001 <0.001
Positive17 10 17 10 17 10
Negative/No opinion23 11 23 10.5 23 11
Current opinion on medical class atmosphere <0.001 <0.001 <0.001
Friendly/Stimulating/No opinion17 11 17 11 18 11
Competitive and hostile22 11 23 10 22 13
Satisfying friendships with classmates <0.001 <0.001 <0.001
Yes/Not yet18 10 18 10 18 11
No25 12 24.5 13.5 24.5 10
Feeling that medical school prevents §
Playing sport <0.001 <0.001 <0.001
No17 11 17 11 17 11
Yes20 11 20 11 20 12.75
Having hobbies <0.001 <0.001 <0.001
No16 10 16 10 16 10
Yes20 11 20 11 20 12
Seeing friends <0.001 <0.001 <0.001
No17 10 17 10 17 10
Yes20 12 21 12 20 11.5
Sleeping adequately <0.001 <0.001 <0.001
No16 10 17 11 16 9
Yes21 11 21 11 21 11
Resting <0.001 <0.001 <0.001
No16 9.75 16 10 16 9
Yes20 11 20 11 20 11
Motives underlying medical school choice §
High gain opportunities 0.604 0.274 0.794
No18 11 18 11 18 11
Yes19 12 19 13 18 12
Employment opportunities/Social prestige 0.100 0.605 0.103
No18 11 18 11 19 11
Yes18 11 18 10 17.5 12
Personal/Family history of disease 0.006 0.074 0.033
No18 11 18 11 18 11
Yes19 12 19 12 19 11.5
Acquaintance/Relative MD influence 0.416 0.125 0.580
No18 11 18 11 18 11
Yes17 13 16.5 13.25 19 12
Helping those who suffer 0.555 0.119 0.551
No18 11 19 11 18 11
Yes18 11 18 11 18 11
Interest in human relationships 0.090 0.229 0.245
No18 11 18 11 18 11
Yes19 11 19 11 19 11
Intellectual curiosity 0.077 0.027 0.498
No19 11 19 11 18.5 11
Yes18 11 17 11 18 11
Imposition by parents/relatives 0.086 0.004 0.473
No18 11 18 11 18 11
Yes22 9.5 26 11.75 17 13
Concerns about the future §
No, future is stimulating <0.001 <0.001 <0.001
No20 11 20 11 20 12
Yes13 9 13 10 14 9
No, not thinking about future <0.001 0.001 <0.001
No18 11 18 11 19 11
Yes15 8 16 10 14 8
Yes, not feeling good enough for the profession <0.001 <0.001 <0.001
No16 10 16 9 16 10
Yes21 11 22 11 21 11
Yes, about the specialty choice <0.001 <0.001 <0.001
No17 11 17 11 18 11
Yes21 11 21 11 20.5 10
Yes, about limited work/specialty opportunities <0.001 <0.001 <0.001
No16 10 16 10.5 16 9
Yes21 11 21 11 20 11
Stimulating drugs 0.001 0.245 <0.001
No18 11 18 11 18 11
Yes20 13 19.5 11.5 21 12.75
a–c Different superscripts if Mann–Whitney U test between groups p-value < 0.05 (Bonferroni correction). NLAfH Not Living Away from Home, LAfH Living Away from Home, § More than one answer was possible.
Table
Table 3. Characteristics associated with perceived stress, stratified by living condition.
Table 3. Characteristics associated with perceived stress, stratified by living condition.
CharacteristicsAll StudentsNot Living Away from HomeLiving Away from Home
B95% CIpB95% CIpB95% CIp
Age 1 yr0.240.08; 0.390.0030.13−0.17; 0.420.3990.270.08; 0.460.006
Gender
MaleRef.--Ref.--Ref.--
Female2.662.16; 3.16<0.0012.751.95; 3.54<0.0012.531.86; 3.20<0.001
University location
Northern ItalyRef.--Ref.--Ref.--
Central Italy1.000.38; 1.630.0021.180.18; 2.190.0210.860.04; 1.680.039
Southern Italy0.950.40; 1.49<0.0011.240.39; 2.090.0040.67−0.05; 1.400.070
Year of university
1stRef.--Ref.--Ref.--
4th−0.11−0.88; 0.650.7720.84−0.49; 2.170.214−0.70−1.67; 0.270.160
6th−1.55−2.59; −0.500.004−0.19−2.08; 1.700.843−2.36−3.67; −1.05<0.001
Chronic disease †1.030.11; 1.950.0290.56−0.94; 2.060.4651.260.05; 2.460.041
Currently in a relationship
SingleRef.--Ref.--Ref.--
Involved−0.71−1.19; −0.230.004−1.02−1.78; −0.250.009−0.5−1.12; 0.130.117
Being part of a sexual minority
NoRef.--Ref.--Ref.--
Yes1.440.74; 2.13<0.0012.141.07; 3.20<0.0011.080.14; 2.030.025
Family history of mental illness †0.650.07; 1.230.0270.31−0.62; 1.230.5140.840.08; 1.590.030
Family history of suicide †1.220.18; 2.260.0221.40−0.30; 3.110.1071.04−0.30; 2.370.128
Family relationship evaluation
Poor/ExcessiveRef.--Ref.--Ref.--
Good−0.89−1.73; −0.050.037−1.55−2.81; −0.300.015−0.37−1.53; 0.790.536
Excellent−2.17−3.00; −1.35<0.001−2.93−4.18; −1.68<0.001−1.72−2.86; −0.580.003
Financial situation
GoodRef.--Ref.--Ref.--
Poor2.591.75; 3.43<0.0012.941.63; 4.25<0.0012.331.21; 3.45<0.001
Working because of need †0.80−0.55; 2.150.2451.04−0.88; 2.970.2870.42−1.53; 2.370.673
Having a hobby †−1.36−1.89; −0.82<0.001−1.27−2.11; −0.420.003−1.57−2.27; −0.87<0.001
Playing sport
NoRef.--Ref.--Ref.--
Less than 90′ a week−0.58−1.17; 0.000.051−0.41−1.34; 0.520.387−0.58−1.37; 0.200.147
More than 90′ a week−0.46−1.09; 0.170.149−0.35−1.43; 0.720.520−0.43−1.22; 0.370.293
Current opinion on the medical school choice
PositiveRef.--Ref.--Ref.--
Negative/No opinion3.003.63; 2.37<0.0013.174.22; 2.12<0.0012.813.61; 2.00<0.001
Current opinion on medical class atmosphere
Friendly/Stimulating/No opinionRef.--Ref.--Ref.--
Competitive and hostile1.801.10; 2.49<0.0011.880.75; 3.000.0011.830.92; 2.73<0.001
Satisfying friendships with classmates
Yes/Not yetRef.--Ref.--Ref.--
No2.461.30; 3.62<0.0011.13−0.76; 3.010.2413.031.53; 4.53<0.001
Feeling that medical school prevents ‡
Having hobbies0.820.30; 1.340.0020.80−0.03; 1.640.0600.790.11; 1.470.023
Sleeping adequately1.911.38; 2.44<0.0011.090.27; 1.910.0092.531.83; 3.23<0.001
Resting1.100.58; 1.61<0.0010.970.15; 1.790.0201.200.52; 1.88<0.001
Motives underlying medical school choice ‡
Intellectual curiosity−1.09−1.57; −0.61<0.001−1.12−1.88; −0.360.004−1.11−1.74; −0.49<0.001
Concerns about the future ‡
No, future is stimulating−1.74−2.47; −1.02<0.001−2.40−3.57; −1.23<0.001−1.17−2.12; −0.210.017
Yes, not feeling good enough for the profession2.461.89; 3.02<0.0012.491.58; 3.40<0.0012.501.77; 3.24<0.001
Yes, about the specialty choice0.920.30; 1.530.0040.45−0.52; 1.430.3631.210.40; 2.020.004
Yes, about limited work/specialty opportunities1.010.44; 1.58<0.0010.66−0.24; 1.560.1531.290.54; 2.04<0.001
B = Unstandardized B coefficients, Ref. = Reference category. † Yes/no answers. Yes answer coefficients are reported. ‡ More than one answer was possible.
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Leombruni, P.; Corradi, A.; Lo Moro, G.; Acampora, A.; Agodi, A.; Celotto, D.; Chironna, M.; Cocchio, S.; Cofini, V.; D’Errico, M.M.; et al. Stress in Medical Students: PRIMES, an Italian, Multicenter Cross-Sectional Study. Int. J. Environ. Res. Public Health 2022, 19, 5010. https://doi.org/10.3390/ijerph19095010

AMA Style

Leombruni P, Corradi A, Lo Moro G, Acampora A, Agodi A, Celotto D, Chironna M, Cocchio S, Cofini V, D’Errico MM, et al. Stress in Medical Students: PRIMES, an Italian, Multicenter Cross-Sectional Study. International Journal of Environmental Research and Public Health. 2022; 19(9):5010. https://doi.org/10.3390/ijerph19095010

Chicago/Turabian Style

Leombruni, Paolo, Alessio Corradi, Giuseppina Lo Moro, Anna Acampora, Antonella Agodi, Daniele Celotto, Maria Chironna, Silvia Cocchio, Vincenza Cofini, Marcello Mario D’Errico, and et al. 2022. "Stress in Medical Students: PRIMES, an Italian, Multicenter Cross-Sectional Study" International Journal of Environmental Research and Public Health 19, no. 9: 5010. https://doi.org/10.3390/ijerph19095010

APA Style

Leombruni, P., Corradi, A., Lo Moro, G., Acampora, A., Agodi, A., Celotto, D., Chironna, M., Cocchio, S., Cofini, V., D’Errico, M. M., Marzuillo, C., Pavia, M., Restivo, V., Veronesi, L., Gualano, M. R., Bert, F., Siliquini, R., & on behalf of the PRIMES Collaborating Group. (2022). Stress in Medical Students: PRIMES, an Italian, Multicenter Cross-Sectional Study. International Journal of Environmental Research and Public Health, 19(9), 5010. https://doi.org/10.3390/ijerph19095010

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