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Association Between Smoking and COVID-19 Severity: Evidence from Bangladesh

Faroque Md Mohsin1, Tajrin Tahrin Tonmon2, Ridwana Nahrin1

  • 1Civil Surgeon Office, Azimpur, Dhaka, 1205, Bangladesh.

Journal of Multidisciplinary Healthcare
|July 30, 2021
PubMed

Insights

Smoking significantly increases the risk of severe coronavirus disease 2019 (COVID-19). This study highlights the urgent need for public health campaigns promoting smoking cessation to mitigate COVID-19 severity.

Area of Science:

  • Epidemiology
  • Public Health
  • Respiratory Medicine

Background:

  • Previous research has identified various risk factors for severe coronavirus disease 2019 (COVID-19).
  • The association between smoking and COVID-19 severity remains under-explored.
  • Understanding these links is crucial for public health interventions.

Purpose of the Study:

  • To investigate the association between smoking status and the severity of COVID-19.
  • To quantify the risk of developing severe, critical, or mild COVID-19 among ever-smokers compared to non-smokers.

Main Methods:

  • A comparative study involving 2022 hospitalized adult patients in Dhaka, Bangladesh.
  • Patients were categorized by COVID-19 severity (asymptomatic, mild, moderate, severe, critical) confirmed via RT-PCR.
  • Data on smoking status, duration, frequency, and comorbidities were collected and analyzed.

Main Results:

  • Ever-smokers constituted 29.4% of the study population.
  • Smoking status, duration, frequency, and comorbidities were significantly associated with COVID-19 severity (p<0.001).
  • Ever-smokers showed a 2.45 times higher likelihood of developing critical COVID-19 compared to non-smokers.

Conclusions:

  • A strong association exists between smoking and increased COVID-19 severity.
  • The findings underscore the necessity for widespread public awareness and smoking cessation campaigns.
  • Targeted interventions are needed to reduce smoking-related risks for severe COVID-19 outcomes.
Abstract

Keywords:
BangladeshCOVID-19ICURT-PCRsmoking

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