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Updated: Jul 12, 2025
05:12
Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
Published on: June 23, 2023
916
Alcohol-Related Hospitalizations During the Initial COVID-19 Lockdown in Massachusetts: An Interrupted Time-Series
Matthew V Ronan1,2, Kenneth J Mukamal2,3, Rahul B Ganatra1,2
1Veterans Affairs Boston Healthcare System, West Roxbury, Massachusetts.
Summary
COVID-19 lockdowns significantly reduced alcohol-related hospitalizations. This trend highlights the need for targeted support for vulnerable groups during public health crises.
Area of Science:
- Public Health
- Epidemiology
- Health Services Research
Background:
- The impact of COVID-19 lockdowns on alcohol-related hospitalizations is not well understood.
- This study examines hospitalization data from a US Department of Veterans Affairs (VA) system in Massachusetts.
Purpose of the Study:
- To compare alcohol-related hospitalizations before, during, and after the initial COVID-19 lockdown.
- To analyze the association between lockdown measures and hospitalization rates.
Main Methods:
- An interrupted time-series analysis was conducted at the VA Boston Healthcare System.
- Data included all hospitalizations from January 1, 2017, to December 31, 2020, excluding observation status.
- Alcohol-related hospitalizations were identified using International Statistical Classification of Diseases, Tenth Revision (ICD-10) codes.
Main Results:
- A total of 27,508 hospitalizations were analyzed.
- Alcohol-related hospitalizations decreased from 72 per 100,000 patient-months prelockdown to 10 per 100,000 patient-months during lockdown.
- Post-lockdown, the rate increased to 46 per 100,000 patient-months, with an adjusted rate ratio of 0.20 during lockdown and 0.72 post-lockdown compared to prelockdown.
Conclusions:
- COVID-19 lockdown measures were associated with a significant reduction in alcohol-related hospitalizations.
- Similar patterns were observed for all-cause hospitalizations.
- Proactive outreach to vulnerable populations during lockdowns is recommended.
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