INTRODUCTION
When encountering challenging situations, individuals often reinterpret their lives, reassess their goals and priorities, find meaning in their relationships, and cultivate greater gratitude for life, thereby shifting their attitudes in a more positive direction. Tedeschi and Calhoun [
1] termed the positive psychological changes that foster new perspectives on life following challenging events as post-traumatic growth (PTG). The process of PTG arises from individuals’ cognitive restructuring as they seek to attribute meaning to the traumatic experience and adapt to a new reality. They also argued that PTG does not stem directly from the trauma itself, but rather from the individual’s struggle to cope with it [
1]. They identified five domains of PTG: improved relationships with others, the emergence of new possibilities, the development of personal strength, enhanced appreciation of life, and spiritual change [
2].
Since the discovery and rapid spread of coronavirus disease-2019 (COVID-19), frontline healthcare workers (FLHCWs) have faced unprecedented challenges. They confronted the risks of virus exposure and infection, often witnessing their colleagues, loved ones, and patients succumb to the disease. Many FLHCWs experienced feelings of helplessness and overwhelming emotions regarding the conditions and treatment of the patients under their care. They endured numerous work-related challenges, including managing more severe cases than usual, being reassigned to unfamiliar departments without adequate training, navigating interpersonal conflicts, and facing shortages of necessary supplies and training. Additionally, they had to contend with the physical discomforts associated with personal protective equipment while continuously adapting to an uncertain environment marked by rapidly evolving viral variants, changing treatment protocols, and fluctuating policies [
3]. Among the various challenges faced, FLHCWs particularly wished to avoid witnessing the deaths of patients in their care.
FLHCWs involved in treating patients with COVID-19, especially nurses, are particularly vulnerable to negative psychological outcomes such as trauma exposure, frustration, anger, and depression, potentially leading to post-traumatic stress disorder (PTSD). If these issues are not properly identified and treated, they can result in long-term difficulties. However, not all nurses exhibited maladaptive responses during the pandemic; indeed, work-related traumatic events can sometimes facilitate positive changes. A previous study found that nurses caring for patients with COVID-19 displayed higher scores on PTG metrics, consistent with research highlighting the coexistence of PTSD symptoms and PTG [
4]. Therefore, this study aimed to identify the factors that may enhance PTG among nursing professionals who experienced the death of a patient during the COVID-19 pandemic. Moreover, it sought to explore how their grief reactions and the availability of grief support may influence their PTG.
RESULTS
A total of 211 nursing professionals participated in this study, all of whom had experienced the death of a patient (
Table 1). The participants’ mean age was 41.1±10.2 years, with an average of 7.7±6.7 years of employment. The mean duration since they experienced a patient’s death was 5.2±5.0 months. Among the participants, 92.4% were female, 66.4% were single, 30.8% identified with a religion, and 88.2% worked in shifts. Regarding the patient deaths, 75.4% reported that these were not related to COVID-19, and 41.2% indicated that the deaths were unexpected.
Pearson’s correlation analysis revealed a significant correlation between the PTGI score and the SAVE-9 (r=0.31, p<0.01), PHQ-9 (r=0.31, p<0.01), PGS (r=0.28, p<0.01), UGRS (r=0.45, p<0.01), and GSHCS (r=0.46, p<0.01) scores (
Table 2). Con-versely, the PTGI score did not correlate significantly with years of employment or the time elapsed since experiencing patient deaths. The SAVE-9 score was significantly correlated with the PHQ-9 (r=0.42, p<0.01), PGS (r=0.27, p<0.01), UGRS (r=0.28, p<0.01), and GSHCS scores (r=0.23, p<0.01).
Linear regression analysis employing the “enter” method indicated that the PTGI score could be predicted by the SAVE-9 (β=0.16, p=0.014), UGRS (β=0.29, p<0.001), and GSHCS scores (β=0.34, p<0.001) (
Table 3). Mediation analysis was employed to explore the mechanisms underlying the relationships between the significant predictor variables identified in the linear regression analysis and PTG. The results showed that nursing professionals’ responses to work-related COVID-19 stress and anxiety, as well as grief rumination, directly influenced their PTG, with grief support for HCWs serving as a mediating factor (
Table 4 and
Figure 1).
DISCUSSION
This study investigated the factors influencing PTG in nurses who experienced patient deaths during the COVID-19 pandemic. We examined several variables, including work experience, time elapsed since the patient’s death, stress and anxiety due to COVID-19 (measured by the SAVE-9), depression (as indicated by the PHQ-9), dysfunctional grief responses (PGS), grief rumination (UGRS), and grief support (GSHCS). The linear regression analysis identified stress and anxiety due to COVID-19, grief rumination, and grief support as significant predictors of PTG. Notably, higher levels of stress and anxiety due to COVID-19 and grief rumination directly impacted PTG, with greater levels further promoting PTG. Additionally, grief support was found to mediate this relationship.
Previous studies suggest that PTG is influenced by several factors. First, the type of trauma can itself be significant. One study reported that PTG is higher in cases of illness compared to accidental events, as accidents are not repetitive and tend to be short-term, unlike illnesses [
2,
15]. Additionally, individuals who experience trauma firsthand receive more support and show higher levels of PTG compared to their families who experience indirect trauma [
2]. Second, age can influence PTG. A meta-analysis reported that individuals younger than 60 years experience more PTG than those older than 60 years. This tendency may relate to younger individuals’ greater adaptability to changes in perspective and acceptance of life’s challenges [
16]. This finding is consistent with the results of most previous studies [
2,
17]. Third, the time elapsed since the trauma can affect PTG. A meta-analysis found that PTG levels are more pronounced within the first 6 months post-trauma, although other research contradicts these findings; they indicate that deeper rumination, often occurring after 6 months, is possible, increasing the likelihood of PTG. Some studies report higher PTG levels 12 months post-trauma compared with 6 or 24 months later. These findings suggest an inverted U-shaped relationship between trauma duration and PTG; however, more longitudinal studies are needed to clarify this relationship [
2]. Fourth, the severity of the trauma can influence PTG levels. According to McFarland and Alvaro [
18], severe negative events lead to greater self-improvement perceptions than mild negative events. However, the positive correlation between trauma severity and PTG levels is still debated. Fifth, coping strategies for trauma can affect PTG. Coping strategies significantly promote growth by fostering a more positive perception of potentially threatening situations, influencing behavior, enhancing individual adaptive capacity, and helping individuals attribute meaning to experienced events. Religious coping strategies, in particular, have a strong correlation with PTG, where a sense of belonging may serve as a mediator between coping strategies and PTG [
19]. Finally, social support is critical for fostering PTG. A meta-analysis of studies examining the relationship between social support and PTG found a moderate positive correlation (r=0.418) between them, reporting that the influence of social support on PTG is both immediate and long-lasting [
20].
To the authors’ knowledge, this study is the first to examine the direct relationship between stress and anxiety due to COVID-19 on one hand with PTG on the other. The results indicate that higher stress and anxiety due to COVID-19 directly influences PTG, with higher levels further promoting PTG. However, previous research has not consistently found a positive correlation between trauma severity and PTG. In our study, the average SAVE-9 score of 17.5 (±9.3) fell below the clinical cut-off score of 22, which suggests a level of concern that may require clinical attention [
6]. Further research is necessary to determine if the same results would be obtained with an average SAVE-9 score exceeding 22.
The bereavement experience after experiencing the loss of a close person incurs significant emotional distress. To enable growth through a traumatic event, an individual must reassess and reconstruct core beliefs about oneself, others, and the world. According to Tedeschi and Calhoun [
21], the reconstruction process that occurs after trauma involves repeated reflection on the traumatic event, helping individuals understand the reasons behind their experiences and their broader impacts, ultimately promoting PTG.
Our results confirmed that higher levels of grief rumination promote PTG, a conclusion reached by most previous studies. One study indicated that the more individuals ruminate about the event shortly after the trauma, the greater the degree of PTG [
22]. Taku et al. [
23] categorized rumination into four types—intrusive rumination soon after the event, deliberate rumination shortly after the event, recent intrusive ru-mination, and recent deliberate rumination—to investigate their impact on PTG. They found that both intrusive and deliberate rumination have a positive correlation with PTG. However, intrusive rumination shortly after the event helps trigger deliberate cognitive processing, leading to PTG, whereas recent intrusive rumination does not show a significant relationship with PTG. Moreover, recent deliberate rumination shows the strongest positive correlation with PTG. In other words, the process of continuous reconstruction of individual perspectives, understanding of the world, and discovering meaning contribute to PTG. Several studies have also confirmed the positive correlation between deliberate rumination and PTG [
24,
25]. Ultimately, for those who have experienced bereavement, the process of grief rumination is necessary to achieve PTG. Rather than persisting in intrusive rumination, which can evoke negative thoughts and emotions over time, reconstructing one’s perspective and discovering meaning through deliberate rumination may be more helpful.
During the peak of the COVID-19 pandemic, HCWs were extremely busy caring for patients under unprecedented, uncertain circumstances. Hence, they often did not have sufficient time or capacity to engage in adequate meaningfully in grief rumination after experiencing patient deaths. However, in the current situation where the momentum of COVID-19 has subsided, it becomes crucial for HCWs experiencing patient deaths to utilize these traumatic events as opportunities for personal growth by engaging in sufficient grief rumination processes.
Further, the results confirmed that grief support mediates the relationship between COVID-19-related stress and anxiety, grief rumination, and PTG. This finding aligns with the conclusion of most studies investigating the relationship between social support and PTG. For example, Tureluren et al. [
26] pointed out a significant correlation between social support from meaningful acquaintances, friends, and family and personal growth among young adults who had experienced bereavement. This is because social support provides opportunities for self-disclosure, helps manage negative emotions, and promotes finding meaning in traumatic events. A metaanalysis studying the relationship between social support and PTG showed a moderate positive correlation (r=0.418) between social support and PTG. Social support has both immediate and long-lasting effects on PTG. Initially, it provides a sense of belonging, and over time, it serves as a platform for narrative reconstruction, thereby facilitating the cognitive processing process [
20]. In Tedeschi and Calhoun’s PTG model [
21], individuals who have experienced a traumatic event reconstruct their perspectives and discover new meanings through disclosure and support, leading to PTG. In other words, the disclosure process mediates the relationship between cognitive engagement and PTG [
19].
Richardson27 studied the spouses of firefighters who died in the line of duty during the 9/11 attacks in the US to examine the relationship between social support and PTG. The results demonstrated that both informal and formal types of social support enhanced PTG, with informal meetings among widows who shared similar experiences being the most commonly utilized form of social support. This suggests that grief support not only mediates the relationship between cognitive engagement and PTG but also has a positive effect by normalizing individual situations and emotions through shared trauma experiences. Hence, social support is essential for individuals who have experienced loss to achieve PTG, especially when it comes from individuals who have had similar experiences.
Usually, the family or friends of HCWs may not fully grasp the complexities of relationships between the HCWs and their patients. Therefore, efforts to show more interest in and initiate conversations about these relationships could positively influence the HCWs’ bereavement experiences after patient death. Additionally, at the hospital level, HCWs who have experienced patient death could be organized into groups to receive support from colleagues with similar experiences, freely share their experiences, and engage in a thorough grieving process, thus facilitating PTG. The hospital could support such groups by covering the costs or providing venues for their meetings.
This study has several limitations. First, the study participants were limited to nurses at a university hospital in Ulsan, South Korea, which may restrict the generalizability of the findings to other populations. Future research should analyze a larger and more diverse sample, including various regions and types of hospitals. Second, the study relied on self-reported measures, which could have introduced social-desirability bias in the responses of participants, potentially leading to information bias. However, the fact that the surveys were conducted anonymously likely mitigated this risk. Finally, the cross-sectional design of this study makes it challenging to infer causality between variables, only allowing for the identification of correlations. Future studies should consider longitudinal research designs to elucidate the causal relationships between PTG and other factors.
This study demonstrates that PTG is facilitated by increases in anxiety and stress among HCWs due to COVID-19, grief rumination, and grief support. Specifically, COVID-19-related stress and anxiety and grief rumination directly affect PTG, with grief support acting as a mediator in this relationship. To ensure that HCWs can leverage their bereavement experiences after patient death for meaningful personal and professional growth, it is vital for family members, colleagues, and other associates to provide more attentive support and care.