A Longitudinal Study on the Changes in Mental Health of Healthcare Workers during the COVID-19 Pandemic

Objective: This study examines Argentinean health care workers in order to 1) test self-perceived job performance levels and the presence of psychological symptoms compatible with common mental disorders, and 2) examine within-person changes in general discomfort and psychological distress, adjusting for demographic factors, region, and health-related factors during two time points of the COVID-19 pandemic. Method: This longitudinal study comprised 305 healthcare workers who completed a survey at two time points approximately 4 months apart. We used the General Health Questionnaire and the Kessler Psychological Distress Scale to measure mental health outcomes. To address the first aim we calculated differences (Student's t test for paired samples) and correlations (Pearson's r coefficient). To address the second aim we used fixed effects model by means of a multilevel approach, a linear model that considers dependency in the data. Results: Self-perceived job performance deteriorated across time. From the first measurement to the four-month follow-up, more health care workers presented common mental disorders (40% vs 45.57%), depression, and/or anxiety (52.46% vs 62.62%). A meaningful worsening of mental health was observed in healthcare workers who expressed concern about being infected with COVID-19, whether asymptomatic (greater general discomfort and psychological distress) or symptomatic (greater general discomfort). Likewise, there were significant interactions between a history of mental disorder and concern about COVID-19 infection. Conclusions: Among healthcare workers, the uncertainty about the COVID-19 infection may have larger negative mental health impacts than actually being infected.

Automated summary

This study examines the mental health outcomes and job performance of Argentinean healthcare workers during the COVID-19 pandemic. The results indicate that healthcare workers experienced a deterioration in self-perceived job performance over time and an increase in common mental disorders such as depression and anxiety. Concerns about COVID-19 infection had a significant negative impact on healthcare workers' mental health, even for those who were asymptomatic. The study suggests that the uncertainty surrounding the infection may have a greater psychological impact than actual infection.