Coronavirus disease 2019 pandemic and anxiety: a longitudinal study in 287 Brazilians.

Objective: The aim was to study the prevalence of symptoms of anxiety and post-traumatic stress in a sample of Brazilians and their relationship with sex, age, and work situation, and compare if these symptoms change with 8 weeks of quarantine.

Methods: Online survey to collect epidemiological data and apply the Beck Anxiety Inventory (BAI) and Impact of Event Scale-Revised (IES-R). Eight weeks later, the researchers requested the same requirements to complete the BAI and IES-R and compare the results.