Abstract
Healthcare workers (HCWs) treating and caring for patients with emerging infectious diseases often experience psychological distress. However, the psychological impact and behavior change of the coronavirus disease 2019 (COVID-19) pandemic among HCWs are still unknown. This study aimed to investigate the worries and concerns of HCWs regarding the COVID-19 pandemic. In this cross-sectional survey, a web-based questionnaire was distributed among HCWs working in hospitals or clinics across Japanese medical facilities from April 20 to May 1, 2020. The questionnaire comprised items on demographics, worries and concerns, perceptions regarding the sufficiency of information, and behavioral changes pertaining to the COVID-19 pandemic. A total of 4386 HCWs completed the survey; 1648 (64.7%) were aged 30–39 years, 2379 (54.2%) were male, and 782 (18.1%) were frontline HCWs, directly caring for patients with COVID-19 on a daily basis. 3500 HCWs (79.8%) indicated that they were seriously worried about the pandemic. The most frequent concern was the consequence of becoming infected on their family, work, and society (87.4%). Additionally, the majority (55.5%) had restricted social contact and almost all HCWs endorsed a shortage in personal protective equipment (median, 8/9 (interquartile range; 7–9) on a Likert scale). There was no significant difference in the degree of worry between frontline and non-frontline HCWs (8/9 (7–9) vs. 8/9 (7–9), p = 0.25). Frontline HCWs, compared to non-frontline HCWs, were more likely to have the need to avoid contact with families and friends (24.8% vs. 17.8%, p < 0.001) and indicated that they cannot evade their professional duty during the COVID-19 pandemic (9/9 (7–9) vs. 8/9 (6–9), p < 0.001). Further, the extremely low proportion of frontline HCWs reported that they would take a leave of absence to avoid infection (1.2%). In conclusions, both frontline and non-frontline HCWs expressed comparable concerns regarding the COVID-19 pandemic. Because HCWs, especially frontline HCWs, reported that they cannot be obliged to do avoid their duty, effective mental health protection strategies should be developed and implemented for HCWs.
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Since the first case of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection was reported in the Wuhan province of China at the end of 2019, the number of confirmed cases and deaths has been increasing worldwide. As of May 1, 2020, the number of patients with coronavirus disease 2019 (COVID-19) has reached over 3 million, and more than 220,000 deaths have been confirmed (WHO, 2020c).
After the outbreak of COVID-19, a large number of healthcare workers (HCWs) became infected with SARS-CoV-2, accounting for 4–11% of confirmed cases (Zhang, 2020, WHO, 2020b). In the context of this unprecedented pandemic, frontline HCWs, who have direct exposures to patients with COVID-19 on a daily basis, are at high risk of developing mental health problems due to concerns regarding the COVID-19 pandemic (An et al., 2020). Previous research suggested that Canadian frontline HCWs who experienced SARS outbreaks had significantly higher rates of developing burnout, posttraumatic stress disorder (PTSD) and psychological stress at 13–26 months after pandemic compared to HCWs who did not participate in the treatment (Maunder et al. 2006). A systematic review showed that an increased level of exposure in the COVID-19 pandemic, as well as previous Coronavirus outbreaks, is a major risk factor of PTSD and can cause long-term psychological adverse effects (Carmassi et al., 2020).
COVID-19 pandemic-associated mental distress is attracting considerable attention from the mental health community and the general public, as it has already become a notable problem for frontline HCWs at the epicenter of the COVID-19 pandemic (Tan et al., 2020; Lai et al., 2020). Despite these clinical research importance, HCWs, whether frontline or non-frontline, are at risk of infection and may be exposed to significant psychological distress.
To address the knowledge gap in the literature, this study aimed to investigate the psychological distress of HCWs regarding the COVID-19 pandemic. Understanding the psychological impact of the COVID-19 pandemic on HCWs should help in providing HCWs with safe and optimal working conditions, and may prevent the healthcare system from becoming overwhelmed.
Methods
Study design and setting
This cross-sectional, web-based survey was carried out from April 20, 2020 to May 1, 2020. The target participants of this survey were HCWs in Japanese hospitals and clinics who were—directly or indirectly—treating patients with COVID-19. This study was approved by the ethical committee of Juntendo University (No. 2020025) and was performed in accordance with the ethical principles of the Declaration of Helsinki. All authors take complete responsibility for the integrity of the survey and study design, data collection, and the accuracy of the data analysis. The requirement for written informed consent was waived because of the nature of study design. Instead of providing signed written informed consent, responders who gave a consent to participate in this study did so by filling in the agreement portion of the survey form.
Study participants and recruitment
The participating HCWs included physicians, nurses, pharmacists, radiology technicians, clinical engineers, and physical therapists. We classified participants caring for patients with COVID-19 on a daily basis as frontline HCWs, specifically those who answered, “(a) I am currently doing it routinely” to the question “Are you currently caring for patients with COVID-19”. On the other hand, non-frontline HCWs were defined as those who chose the following three options to the above question [(b) I strongly expect to be engaged in the near future; (c) I consider it unlikely that I will be engaged in the future; (d) I do not expect to be engaged in the future] (see the Supplemental Appendix, Q34). The online survey was distributed to HCWs through email lists of hospital or local medical associations, medical school alumni associations, and closed medical groups on social media. The questionnaire and aim of the study were sent to each member of the medical group, along with information that participation in the survey was voluntary. The web-based questionnaire was distributed on April 20, 2020, with a predefined closure date of May 1, 2020. Responders could refuse to give a consent to participate in the study by simply ticking a checkbox at the end of the questionnaire; data from such responders were excluded from the analysis.
Survey items
The web-based survey included 34 items according to a previous study for H1N1 influenza pandemic (Goulia et al., 2010). The survey generated using Google Forms, a cloud-based survey development application, was comprised two parts. The first part collected data on the participants’ demographics and characteristics, including age, sex, type of occupation, the prefecture in which they lived, the department in which they worked, clinical experience with COVID-19, type of hospital (infectious disease-designated medical institution or not), number of years of practice, and whether they lived with any family members or children.
The second part of the survey comprised three sections comprising 23 items examining (1) their worries and concerns (the degree and content of their worries, their concern regarding the risk of being infected with SARS-CoV-2, the insufficiency of personal protective equipment (PPE) in their facility); (2) perceptions regarding the availability and need of information on COVID-19 (perceived sufficiency of information about COVID-19 symptoms, treatment, transmission routes, and preventive measures, whether their facility provided clear information on COVID-19, how much information about an infectious disease the respondent would prefer to have); and (3) their behaviors during the COVID-19 pandemic (intentional behavior changes, such as restricted social contact, work avoidance, and their sense of duty). Considering numerous concerns for the lack of PPEs and social distance policy during the COVID-19 pandemic, following questions were added to the questionnaire made by Goulia et al. study (Q28; “I am feeling isolated from my family and friends because I am working in a high-risk environment.” Q33; “I think that the required PPE (masks, gloves, protective equipment is not available”). The survey forms are shown in the Supplemental Appendix.
Most items were dichotomous (yes/no) or scored on a 9-point Likert scale ranging from 1 to 9, corresponding to ‘very little’ (strongly disagree, very low) and ‘very much’ (strongly agree, very high), respectively. Some items were presented as multiple-choice questions (see the Supplemental Appendix). Questions that could be expressed on a scale of concerns (e.g. symptoms, anxiety, satisfaction) were basically made with 9-point Likert scale. In cases where a response could not be limited to one, it was set as multiple-choice. Other questions were expressed with dichotomous.
The questionnaire was anonymous, and the privacy policy of the individual’s posted information was noted.
Statistical analysis
We summarized the data according to frontline and non-frontline HCWs. For the participant characteristics, the continuous variables are expressed as the mean ± standard deviation (SD) or median with interquartile range (IQR), depending on the distribution of the data. The categorical variables are expressed as percentages. Responses on a Likert scale were analyzed as continuous value not as ordinal variables (Johnson and Creech, 1983; Norman, 2010; Sullivan and Artino Jr, 2013). The statistical differences between frontline and non-frontline HCWs were estimated using the Student’s t-test for normally distributed data and the Mann–Whitney U-test for non-normally distributed data and the Likert scale data (De Winter and Dodou, 2010); the categorical variables were compared using the chi-square test because all of the expected values were more than 10. Scale reliability was assessed by Cronbach’s Alpha, which is a measure of internal consistency and how closely a set of items are related as a group. The obtained result of the alpha value of 0.71 in this study is greater than widely considered to be an acceptable level of 0.70 (Taber, 2018), which indicates having an acceptable reliability. The number of cumulative and new COVID-19 cases per 1 million people in the respondent’s prefecture on the day of survey completion was obtained from data published by Japan’s Ministry of Health, Labour, and Welfare (Japan’s Ministry of Health, 2020). We defined the epidemic area as the top 10 regions among 47 prefectures in terms of the cumulative number of patients with COVID-19 per million people. As the rationale reason for the cut-off point of the epidemic area, the median value of the cumulative number of COVID-19 patients per 1 million people was consistent with the upper quartile of the entire cohort. p-values of <0.05 were considered statistically significant. All data were analyzed using JMP version 12.2 for Windows (SAS Institute, Cary, NC).
Results
Participants’ characteristics
Participant characteristics are summarized in Table 1. Among 4419 responders, 33 who declined to participate in the study were excluded; the analytic cohort consisted of 4386 participants. Of these, many participants were 30–39 years old, there were 2379 men (54.2%), 1365 (31.1%) physicians working in hospitals, 338 (7.7%) general practitioners, 1173 (26.7%) nurses (hospital and clinic nurses), 246 (5.6%) pharmacists, 357 (8.1%) radiology technicians, 107 (2.4%) clinical engineers, and 800 (18.2%) physical therapists. Tokyo was the most frequently indicated region of residence (1412[32.2%]), and 1361(31.0%) participants worked in infectious disease-designated medical institutions. Many participants lived with family members (3196 [72.9%]), and approximately a half had children (2188 [49.9%]). At the time of survey completion, the mean cumulative number of patients with a positive polymerase chain reaction test for SARS-CoV-2 in the respondent’s prefecture was 106 patients per one million people.
Additionally, 728 participants (18.2%) were classified as frontline HCWs, who answered (a) (“I am currently doing it routinely”) to the Q34 (“Are you currently caring for patients with COVID-19?”). Among non-frontline HCWs (n = 3156), 60.1% (n = 2130) respondents answered that they were likely to be engaged in the near future. In this survey, frontline HCWs were more likely to be male (62.7%), work at infectious disease-designated medical institutions (41.1%), and work in an intensive care unit or emergency department (40.9%) than were non-frontline HCWs. In contrast, non-frontline HCWs were more likely to be general practitioner or surgeons than were frontline HCWs. Frontline HCWs were more likely to have been infected with SARS-CoV-2 compared with non-frontline HCWs (0.8% vs. 0.2%, p < 0.001). In addition, their family members and colleagues were also more likely to have been infected with SARS-CoV-2 compared with those of non-frontline HCWs (9.0% vs. 4.0%, p < 0.001).
Worries and concerns about the COVID-19 pandemic
The degree and detailed content of the respondents’ worries and concerns regarding the COVID-19 pandemic are shown in Table 2. Almost all (98.6%) respondents were worried about the COVID-19 pandemic, with a high degree of worry (score of 7–9) in most (79.8%) respondents. The most frequent concern was the impact that becoming infected would have on their family, work, and society (87.4%), followed by the risk of family members and relatives becoming infected by SARS-CoV-2 (84.2%).
There were no significant differences between frontline HCWs and non-frontline HCWs in the degree of worry (8/9, IQR; 7–9 vs. 8/9, IQR; 7–9, p = 0.25), their concern about the health risk of the disease itself (70.8% vs. 72.1%, p = 0.47), the risk of infection in family members or other relatives (83.7% vs. 84.1%, p = 0.75), and isolation from family and/or the social environment (30.6% vs. 29.7%, p = 0.59). The distribution of the degree of worry by response to Q34 in the Supplemental Appendix was shown in the Supplemental Table 1.
Overall, respondents rated the degree of sufficiency of their department’s preparation for the COVID-19 pandemic as relatively low (5/9, IQR; 3–7). However, frontline HCWs were more likely to indicate that their department has been well prepared for the COVID-19 pandemic than were non-frontline HCWs (5/9, IQR; 4–7 vs. 5/9, IQR; 3–6, p < 0.001). Both frontline and non-frontline HCWs reported that the availability of PPE was greatly insufficient (8/9, IQR; 7–9).
Perceptions regarding the sufficiency of information on COVID-19
Table 3 summarizes the responses to the sufficiency of information on COVID-19. Although there was a wide variation in responses, the perceived sufficiency of available information on the symptoms, treatment, transmission routes, and preventive measures of COVID-19 was rated as relatively low (Fig. 1). More frontline HCWs, compared to non-frontline HCWs, reported that they had sufficient information about COVID-19 health issues and their department provided adequate information. Moreover, approximately half of the participants (2117 [48.3%] indicated that they wish to have as much information as possible.
Behavioral changes during the COVID-19 pandemic
As shown in Table 4, the majority (2434 [55.5%]) indicated that they had restricted social contact because of their risk of contracting SARS-CoV-2. This was more common among frontline HCWs than among non-frontline HCWs (64.2% vs. 53.6%, p < 0.001). Additionally, 838 HCWs (19.1%) indicated that they felt shunned by their family members and friends. Only 94 HCWs (2.1%) indicated that they would take a leave of absence due to COVID-19 worries and concerns. Although almost all HCWs (98.6%) indicated that they were concerned about the COVID-19 pandemic, 3246 HCWs (74.0%) indicated that it was highly impossible (7–9 points on the Likert scale) to evade their duties in the public emergency. Furthermore, frontline HCWs were more likely to report the need to avoid contact with families and friends (24.8% vs. 17.8%, p < 0.001) and believed that it was highly impossible to leave their work during the COVID-19 pandemic (9/9, IQR; 7–9 vs. 8/9, IQR; 6–9, p < 0.001).
Discussion
In this large survey of 4386 HCWs across Japan, we found (1) 98.6% indicated that they are very worried about the COVID-19 pandemic; (2) HCWs, regardless of frontline or non-frontline workers, indicated that the available information on COVID-19 is insufficient, and that they wish to have as much information as possible; (3) the majority of HCWs, especially frontline HCWs, indicated that it is impossible to evade their duties, despite a lack of sufficient information and PPE. Our findings highlight the psychological distress of HCWs engaged in their work with great responsibility and a lack of information amid the public health emergency of COVID-19.
The mental distress of HCWs during infectious disease pandemics has been previously described, especially for the 2003 SARS and 2009 H1N1 influenza pandemics (Kisely et al., 2020; Goulia et al., 2010). Compared to the present study on the COVID-19 pandemic, in the 2009 H1N1 influenza pandemic, a smaller proportion of HCWs (56.7%) indicated that they were worried about the disease (Goulia et al., 2010). A recent meta-analysis regarding the impact of SARS, MARS, and COVID-19 on physical and mental health of HCWs addressed that 62.5% HCWs exposed to these coronavirus outbreaks reported general health concerns and they also experienced a variety of other mental health problems including psychological distress (37.8%), insomnia (37.9%), depressive symptoms (26.3%), fear (43.7%), burnout (34.4%), and PTSD (20.7%) (de Pablo et al., 2020). In the present study, the HCWs reported more fear and worry compared to that in previous studies on the mental health of HCWs during the emergence of other infectious diseases, such as Middle East respiratory syndrome (Khalid et al., 2016) and SARS (Chong et al., 2004). One potential reason for these apparent difference in the degree of worry involves the perceived insufficiency of information, as knowing the latest and most accurate health information (e.g., treatment, transmission, and precautions) reduces the impact of a pandemic on anxiety and depression (Wang et al., 2020a). The degree of satisfaction regarding the sufficiency of available information was lower in the present COVID-19 study than in a previous study on psychological distress in HCWs during the 2009 H1N1 influenza pandemic (Goulia et al., 2010). Further, it has been suggested that (mis)information has been widely spread in the social media and the “infodemic” status made difficult to obtain appropriate information (Cinelli et al., 2020; The Lancet Infectious, 2020). Additionally, due to misinformation, HCWs sometimes have been disgraced, being seeing as the risk to communities rather than the solution for current pandemic (WHO, 2020a). Frontline HCWs receive a flood of information from various medical societies, social online news media, and colleagues, which can create uncertainty and be overwhelming for many HCWs. Up-to-date and accurate information on COVID-19 should be delivered promptly to HCWs to mitigate stress stemming from uncertainties regarding this disease.
In our survey, there was no significant difference between frontline and non-frontline HCWs in the degree of worry. In other words, the non-frontline HCWs had worries and concerns about COVID-19 as well as the frontline HCWs, which differs from the results of previous studies on SARS (McAlonan et al., 2007), H1N1 influenza (Goulia et al., 2010), and COVID-19 (Lai et al., 2020; Rossi et al., 2020) that revealed frontline HCWs felt more anxious. One possible reason for this result is a large number of non-frontline HCWs, who are not routinely caring for the COVID-19 patients at the time of the response, foresee being sent to the frontline of COVID-19. This could also be related to SARS-CoV-2’s uncertain transmission route and strong infectivity; patients with COVID-19 can be infective before becoming symptomatic (He et al., 2020). These characteristics make SARS-CoV-2 different from other viruses.
In the present study, HCWs generally felt motivated to work during the COVID-19 pandemic, as shown by the extremely low proportion of HCWs who indicated that they would take a leave of absence to avoid infection (2.1%) and the high degree of agreement with the statement that it was impossible to avoid their duties (mean, 7.3 ± 1.9). These values are lower and higher, respectively, than those in a previous study on the H1N1 influenza pandemic (would take a leave of absence to avoid infection: 4.3%: impossible to avoid their duties: 5.4 ± 2.8) (Goulia et al., 2010). This dissociation between the degree of HCWs’ worries and how likely they feel they can avoid their duty should be acknowledged, because this may be one of the main factors affecting the mental health of HCWs, not only during the pandemic, but also after the pandemic. Indeed, it has been reported that HCWs experience a high level of burnout and can suffer from post-traumatic syndrome for a long time (Wu et al., 2009; Maunder et al., 2006). Various studies have suggested that active mental support interventions should be available for healthcare providers in every healthcare situation (Kang et al., 2020; Greenberg et al., 2020). This concept is supported by the present study results, as many of the participants indicated that mental support for HCWs would be useful. Given that both frontline and non-frontline HCWs have strong anxiety and believe that mental support is beneficial, long-term active interventions for anxiety due to the COVID-19 pandemic should be considered not only for frontline HCWs, but also for non-frontline HCWs.
The use of PPE is essential in the clinical practice of treating COVID-19, and a shortage of PPE increases the risk of infection in healthcare provider (Chou et al., 2020). To cope with a shortage in PPE, research regarding PPE reprocessing methods has been performed in various medical facilities (Lindsley et al., 2015; Viscusi et al., 2009) following the WHO’s proposal for the appropriate use of PPE (WHO, 2020d). As of April–May 2020, Japan has a massive shortage in PPE, similar to that globally (Ranney et al., 2020), especially in metropolitan areas. The spread of SARS-CoV-2 infection among HCWs exacerbated nosocomial cases of SARS-CoV-2 infection (Wang et al., 2020b; CDC, 2020). Consequently, several medical institutions in Japanese epidemic areas ceased to function, and the regional healthcare system was on the verge of collapse. As almost all HCWs endorsed a massive shortage in PPE, which is considered to be a major cause of anxiety among HCWs, a proper discussion on rational PPE use and supply is needed.
Limitations
The present study has several potential limitations. First, there may be a selection bias. Although the survey was distributed widely, the study sample is not a random sample of all HCWs in Japan. There were no exclusion criteria for hospitals or clinics, but we were able to obtain answers from HCWs from all 47 prefectures in Japan in 10 days through many networks of HCWs. Additionally, a response bias (volunteer effect) should be considered in this setting. Not all HCWs who received this questionnaire responded, including those who were too stressed to respond or were not sufficiently interested in this survey. Because of the study’s design, we were unable to calculate the exact proportion of respondents and characterize the differences between respondents and non-respondents. Second, in the setting of emergent COVID-19 pandemic, the degree of psychological distress was not precisely quantified by widely used and well-validated questionnaires. Yet, we have developed the survey based on the H1N1 influenza pandemic literature (Goulia et al., 2010). Lastly, our results may have limited generalizability despite the large-scale data collected from diverse settings and geographical regions across Japan. While it is tempting to dismiss the broader applicability, the observed findings are plausible and potentially generalized to other healthcare settings.
Conclusions
In conclusions, based on the nationwide survey of 4368 HCWs during the COVID-19 pandemic, we found that almost all HCWs continue to work, despite a lack of information and several worries and concerns such as the infection risk of their family or relatives and the consequences on their functional ability. Both frontline and non-frontline HCWs expressed comparable but substantial concerns regarding the COVID-19 pandemic and the serious shortage of PPE. Effective mental health protection strategies to prevent burnout and depression should be developed and implemented for HCWs, who are trying hard to fulfill their responsibilities in tackling the public health crisis.
Data availability
All data relevant to the study are included in the article. No additional data available. The data underlying the results of this study are available upon request due to ethical restrictions imposed by the Juntendo University Hospital Institutional Review Board. Due to the sensibility of the data, and in order to ensure full anonymity, confidentiality and data protection for the participants, the full survey data cannot be made accessible to the public. Interested researchers may contact the corresponding author.
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Acknowledgements
We would like to thank all health care professionals who provide COVID-19 treatment and care throughout Japan and those who answered the questionnaire. We would also like to express our sincere gratitude to all representatives of working groups those who cooperated in the distribution of the questionnaire. This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.
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HE had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Concept and design: YM Acquisition, analysis, and interpretation of the data: YS, HE, TS, TN, KN, AK, SM, HS, and YM. Drafting of the manuscript: YS and HE. Critical revision of the manuscript for important intellectual content: TS, TN, KN, AK, SM, HS, TG, KH, and YM. Statistical analysis: HE Supervision: TG, KH, and YM.
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YM is affiliated with a department endowed by Philips Respironics, ResMed, Teijin Home Healthcare, and Fukuda Denshi; received an honorarium from Otsuka Pharmaceutical Co.; and received consulting fees from Edwards Lifesciences and Bristol-Myers Squibb. The remaining authors have no conflicts of interest to report.
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Sahashi, Y., Endo, H., Sugimoto, T. et al. Worries and concerns among healthcare workers during the coronavirus 2019 pandemic: A web-based cross-sectional survey. Humanit Soc Sci Commun 8, 41 (2021). https://doi.org/10.1057/s41599-021-00716-x
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DOI: https://doi.org/10.1057/s41599-021-00716-x
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