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  • Alcohol Use Disorder...

Alcohol Use Disorder and High-Risk Drinking Linked to Worse COVID-19 Outcomes

Written By : Dr Riya Dave |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2025-08-18T20:45:43+05:30  |  Updated On 18 Aug 2025 8:45 PM IST
Alcohol Use Disorder and High-Risk Drinking Linked to Worse COVID-19 Outcomes
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Researchers have determined that patients with alcohol use disorder (AUD) and excessive alcohol use are greatly at risk of severe COVID-19 outcomes, such as hospitalization, critical illness, and mortality. This large study, reported in Chest, examined the association between different levels of AUD, alcohol consumption levels, and COVID-19 severity within 30 days of diagnosis. The research was conducted by Aaron P. and colleagues.

The investigation used real-world clinical data from more than 460,000 U.S. veterans with documented SARS-CoV-2 infection, which were obtained from the VA Corporate Data Warehouse. The participants were monitored between March 1, 2020, and April 30, 2022. The researchers determined that AUD on its own aggravates COVID-19 outcomes, and that this is further compounded when combined with high-risk alcohol use.

To investigate the impact of AUD and alcohol consumption on severity of COVID-19, researchers employed retrospective information for 463,246 veterans who had tested positive for COVID-19 and had self-reported alcohol use records through the Alcohol Use Disorders Identification Test - Consumption (AUDIT-C).

Participants were divided into:

  • No AUD (n = 429,803; median age: 61 years)

  • Alcohol abuse (n = 10,191; 2.2%; median age: 54 years)

  • Alcohol dependence (n = 17,803; 3.8%; median age: 54 years)

  • Alcohol-related disease (ARD) (n = 5,449; 1.2%; median age: 62 years)

COVID-19 severity was defined as:

  • Mild

  • Moderate

  • Critical

  • Death (within 30 days of diagnosis)

The study evaluated outcomes across alcohol consumption and AUD severity levels using adjusted risk ratios (aRRs) and 95% confidence intervals (CIs) to measure associations.

Key Findings

  • Total participants: 463,246 veterans with COVID-19 and AUDIT-C scores

  • AUD prevalence: 7.2% (n = 33,443)

  • Alcohol abuse: 2.2% (n = 10,191)

  • Alcohol dependence: 3.8% (n = 17,803)

  • ARD: 1.2% (n = 5,449)

  • Mortality (30 days): 3.6% overall; 5.9% in ARD with high consumption

Risk of hospitalization highest in ARD + high alcohol group:

  • Hospitalization without critical care: aRR 2.50

  • Critical care: aRR 2.01

  • Death: aRR 1.91

  • These quantitative findings endorse a clear, graded association between alcohol misuse and COVID-19 severity.

This large-scale investigation presents strong evidence that alcohol use disorder, particularly in conjunction with high-risk drinking, is linked to more severe COVID-19 outcomes, including increased hospitalization rates, critical illness, and mortality. These results emphasize the pressing need for incorporating alcohol use screening and intervention into larger public health plans, particularly pandemic response planning.

Reference:

Turner, A. P., Adams, S. V., Hawkins, E., Fan, V. S., Nikzad, R., Kundzins, J. R., & Crothers, K. (2025). Alcohol use and COVID-19 outcomes. Chest. https://doi.org/10.1016/j.chest.2025.05.039



ChestAlcohol Use Disorder (AUD)Alcohol-Related Disease (ARD)Alcohol ConsumptionCOVID-19SARS-CoV-2VeteransHospitalizationMortalityCritical CareAUDIT-CSubstance Use and COVID-19Risk FactorsPublic Health
Source : Chest
Dr Riya Dave
Dr Riya Dave

    Dr Riya Dave has completed dentistry from Gujarat University in 2022. She is a dentist and accomplished medical and scientific writer known for her commitment to bridging the gap between clinical expertise and accessible healthcare information. She has been actively involved in writing blogs related to health and wellness.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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