Mental Health Outcomes Among Frontline and Second-Line Health Care Workers During the Coronavirus Disease 2019 (COVID-19) Pandemic in Italy
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Introduction
Health care workers (HCWs) involved in the coronavirus disease 2019 (COVID-19) pandemic are exposed to high levels of stressful or traumatic events and express substantial negative mental health outcomes,1 including stress-related symptoms and symptoms of depression, anxiety, and insomnia. In this cross-sectional study, we report on mental health outcomes among HCWs in Italy.
Methods
This cross-sectional, web-based study collected data between March 27 and March 31, 2020, using an online questionnaire spread via social networks using a snowball technique and sponsored social network advertisements. Approval for this study was obtained from the local institutional review board at University of L’Aquila. Online consent was obtained from the participants.
The sampling period corresponded to the days immediately preceding the COVID-19 contagion peak, associated with the highest level of health care system utilization. All HCWs reporting that they work in Italy were eligible. Because of the self-selected and nonprobabilistic nature of the sample, invitations and response rates could not be quantifiable, as reported by American Association for Public Opinion Research (AAPOR) reporting guideline. The questionnaire investigated demographic variables, workplace characteristics (ie, being a frontline or second-line worker), and information regarding the direct consequences of COVID-19, including having colleagues infected or deceased. Frontline and second-line HCWs were defined by a single yes or no question, “Are you currently working with COVID-19 patients?” Key mental health outcomes were posttraumatic stress symptoms (PTSS), symptoms of depression, anxiety, insomnia, and perceived stress, assessed using the Italian version of the Global Psychotrauma Screen (GPS),2 the 9-item Patient Health Questionnaire (PHQ-9),3 the 7-item Generalized Anxiety Disorder scale (GAD-7),4 the 7-item Insomnia Severity Index (ISI),5 and the 10-item Perceived Stress Scale (PSS).6 Participants were classified as endorsing the previously listed symptoms according to the following cutoffs: at least 3 on the 5 item GPS–posttraumatic stress disorder subscale, at least 15 on the PHQ-9, at least 15 on the GAD-7, and at least 22 on the ISI. Cutoffs were extracted from the original articles describing each measure. Because no official cutoff for the PSS was available, a quartile split was used. Age was standardized to a mean (SD) of 0 (1) and then reversed (ie, multiplied by −1) to show a positive coefficient.
A multivariable logistic regression model was fitted to explore the association of the selected outcomes with sex, age, frontline working position, occupation, and self and colleagues’ exposure to contagion. The association between outcomes and potential risk factors was assessed by seemingly unrelated regression models that allow joint modelling of correlated outcomes. Analyses were conducted in Stata version 16 (StataCorp). Statistical significance was set at P < .05, and all tests were 2-tailed.
Results
A total of 1379 HCWs completed the questionnaire; the response rate could not be calculated. Sample characteristics are reported in Table 1. A total of 681 respondents (49.38%) endorsed PTSS; 341 (24.73%), symptoms of depression; 273 (19.80%), symptoms of anxiety; 114 (8.27%), insomnia; and 302 (21.90%), high perceived stress (Table 1).
A total of 18 participants (1.31%) were excluded from regression analysis because of missing data. Younger age and female sex were associated with all investigated outcomes except insomnia (eg, anxiety for standardized age: odds ratio [OR], 0.60; 95% CI, 0.44-0.82; P = .001; perceived stress for standardized age: OR, 0.63; 95% CI, 0.46-0.85; P = .002; PTSS among women: OR, 2.31; 95% CI, 1.76-3.05; P < .001; depression among women: OR, 2.03; 95% CI, 1.44-2.87; P < .001). Being a frontline HCW was associated with PTSS (OR, 1.37; 95% CI, 1.05-1.80; P = .03). General practitioners were more likely to endorse PTSS than other HCWs (OR, 1.75; 95% CI, 1.03-2.08; P = .04), while nurses and health care assistants were more likely to endorse severe insomnia (nurses: OR, 2.03; 95% CI, 1.14-3.59; P = .02; health care assistants: OR, 2.34; 95% CI, 1.06-5.18; P = .04). Having a colleague deceased was associated with PTSS (OR, 2.60; 95% CI, 1.30-5.19; P = .007) and symptoms of depression (OR, 2.07; 95% CI, 1.05-4.07; P = .04) and insomnia (OR, 2.94; 95% CI, 1.21-7.18; P = .02); having a colleague hospitalized was associated with PTSS (OR, 1.54; 95% CI, 1.10-2.16; P = .01) and higher perceived stress (OR, 1.93; 95% CI, 1.30-2.85; P = .001); and having a colleague in quarantine was associated with PTSS (OR, 1.59; 95% CI, 1.21-2.09; P = .001), symptoms of depression (OR, 1.38; 95% CI, 1.00-1.90; P = .047), and higher perceived stress (OR, 1.66; 95% CI, 1.19-2.32; P = .002). Being exposed to contagion was associated with symptoms of depression (OR, 1.54; 95% CI, 1.11-2.14; P = .01) (Table 2).
Discussion
To our knowledge, this is the first report on mental health outcomes and associated risk factors among HCWs in Italy during the COVID-19 pandemic. These results are in line with previous reports from China,1 confirming a substantial proportion of mental health issues, particularly among young women and frontline HCWs. The main limitation is the impossibility of determining the sampling error or making inferences about populations because of the sampling technique. Our results warrant further monitoring and specific interventions for HCWs throughout the COVID-19 pandemic to prevent long-term mental health–related disabilities.
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