Introduction

The heightened risk of COVID-19 infection and mortality in prisons is well documented, but COVID-19's impact on all-cause mortality in incarcerated populations has not yet been studied. This study analyzed mortality records from the Florida State Department of Corrections prison system population to evaluate the impact COVID-19 had on all-cause mortality and compare mortality rates and life expectancy with that of the overall state of Florida population.

Methods

Population age and sex data for Florida State Department of Corrections were ascertained from the Florida State Department of Corrections Offender Based Information System. Death data by age, sex, and cause of death were acquired from medical records and Florida State Department of Corrections offender reports. The state of Florida demographic and death data were collected from the Census Bureau, Florida Department of Health, and Centers for Disease Control and Prevention. Age- and sex-standardized life table measures were calculated, and COVID-19 contributions to changes in life expectancy were assessed using Arriaga's decomposition.

Results

The standardized mortality rate in the Florida State Department of Corrections population increased by 45% between 2019 and 2020, causing an overall 4.0-year decline in life expectancy. Over the same period, the state of Florida population's standardized mortality increased by 19%, resulting in an overall 2.7-year decline. Within the Florida State Department of Corrections population, life expectancy decline could be attributed exclusively to COVID-19 mortality.

Conclusions

The state of Florida prison population saw a substantial increase in mortality driven solely by COVID-19 mortality, leading to an overall 4-year decline in life expectancy. Given the findings and continued threat of COVID-19 outbreaks, Florida State Department of Corrections and other prison systems should strive to increase vaccination uptake, decrease prison populations, and commit to COVID-19 data transparency.