Self-efficacy as a psychological resource in the management of stress suffered by ICU nurses during the COVID-19 pandemic: A prospective study on emotional exhaustion

Abstract

Background Intensive care unit (ICU) nurses have experienced a high degree of stress during the COVID-19 pandemic. While the literature on the consequences on emotional symptomatology is abundant, studies on the protective psychosocial variables that have contributed to buffering these consequences are scarcer.

Aim This study analyses the role of self-efficacy as a protective personality trait in ICU nurses during the COVID-19 pandemic, using a moderated mediation model that begins with the stress and anxiety experienced at the onset of the pandemic and concludes with the emotional exhaustion experienced 6 months later.

Study Design Prospective longitudinal study with two data collection periods during the COVID-19 pandemic: (1) from 5 May to 21 June 2020 and (2) a follow-up 6 months after the state of alarm finalized (January–April 2021). These were both very stressful periods for ICU staff because of the COVID-19 pandemic.

This study was conducted with 129 ICU nurses (a non-probabilistic convenience sample in the Spanish health care system). Socio-demographic, occupational and psychosocial variables (i.e. stress, anxiety, self-efficacy and emotional exhaustion) were assessed. Descriptive analyses, Pearson correlations, covariate analyses (i.e. Student's t-test, one-factor ANOVA) and moderated mediation analyses were carried out (SPSS PROCESS macro, model 7). STrengthening the Reporting of OBservational studies in Epidemiology (STROBE) reporting guidelines were followed.

Results It shows that the higher the self-efficacy score, the lower the effect of stress on anxiety (p < .001); likewise, the moderating role of self-efficacy was equally valid for the whole final model (F = 8.790, p < .001), showing self-efficacy to be a good buffer for emotional exhaustion derived from the stress suffered in the ICU.

Conclusions Self-efficacy (i.e. the belief of being able to do certain tasks successfully) is shown to be a highly relevant trait to enhance among ICU nurses during the COVID-19 pandemic, allowing them to manage work stress effectively and thus buffering the development of anxiety in the short term and emotional exhaustion in the long term.

Relevance to Clinical Practice Our results point to the need to assess and take action on self-efficacy in ICU nurses in highly stressful situations such as the COVID-19 pandemic. As a psychological variable, self-efficacy refers to beliefs and therefore has to be trained by evidence-based psychological techniques, such as cognitive behavioural therapy. In addition, previous literature has pointed out that previous experience or specific training is an influential (although not a determining) factor in self-efficacy, so specialization for ICU nurses could also be considered.