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Post-Acute COVID Among California Workers' Compensation Claims Filed in 2020-2022.
Ximena P Vergara1,2, Kathryn Gibb1, Kathleen M Garvey1,2
1California Department of Public Health - Occupational Health Branch, 850 Marina Bay Parkway, Richmond, California 94804.
Journal of Occupational and Environmental Medicine
|June 25, 2026
Summary
Post-acute COVID (PASC) affected 7% of California workers
Area of Science:
- Occupational Health
- Epidemiology
- Public Health
Background:
- The COVID-19 pandemic has led to significant long-term health consequences, including post-acute sequelae of COVID-19 (PASC).
- Understanding risk factors for PASC is crucial for targeted interventions and resource allocation.
- Workers' compensation (WC) claims provide a valuable data source for studying occupational health outcomes related to COVID-19.
Purpose of the Study:
- To investigate sociodemographic risk factors associated with PASC.
- To analyze PASC prevalence and characteristics within California's workers' compensation claims data from 2020-2022.
Main Methods:
- Matched workers' compensation claims with SARS-CoV-2 test results.
- Integrated external sociodemographic data for comprehensive analysis.
- Employed logistic regression models to estimate odds ratios (OR) for PASC risk factors.
Main Results:
- Post-acute COVID (PASC) represented 7% of all COVID and PASC cases in the study cohort.
- PASC cases were more prevalent among individuals aged 30-49, females, those with longer job tenure, and workers in healthcare and protective services.
- Elevated PASC odds ratios were observed in older workers (50-69 years) and various racial/ethnic minority groups, including non-Latino American Indian/Alaska Native, Black, Native Hawaiian/Pacific Islander, and individuals of multiple races, as well as healthcare practitioners.
Conclusions:
- Post-acute COVID (PASC) was a significant concern among California workers filing claims during the initial three years of the pandemic.
- PASC distribution was unequal, revealing disparities based on age, race, and occupational categories.
- Findings highlight the need for targeted PASC prevention and management strategies considering demographic and occupational vulnerabilities.
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