• Curr Med Res Opin · Dec 2022

    Evaluation of risk factors associated with SARS-CoV-2 transmission.

    • Mai Ngoc Luu, Shamael Thabit Mohammed Alhady, Minh Duc Nguyen Tran, Le Van Truong, Ahmad Qarawi, U Venkatesh, Ranjit Tiwari, Ian Christopher Naungayan Rocha, Le Huu Nhat Minh, Rohanti Ravikulan, Shyam Prakash Dumre, Hoang Thi Nam Giang, Dmytro Pavlenko, Fatmaelzahraa Yasser Ali, Bao-Tran Do Le, Sedighe Karimzadeh, Parshal Bhandari, Jaffer Shah, Jeza Muhamad Abdul Aziz, Nguyen Tien Huy, and TMGH COVID-19 Collaborators.
    • Department of Internal Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam.
    • Curr Med Res Opin. 2022 Dec 1; 38 (12): 202120282021-2028.

    ObjectiveCoronavirus disease 2019 (COVID-19) has caused high morbidity and mortality worldwide. Since there is not enough evidence of risk factors of SARS-CoV-2 transmission, this study aimed to evaluate them.MethodsThis survey-based study was conducted across 66 countries from May to November 2020 among suspected and confirmed individuals with COVID-19. The stepwise AIC method was utilized to determine the optimal multivariable logistic regression to explore predictive factors of SARS-CoV-2 transmission.ResultsAmong 2372 respondents who participated in the study, there were 1172 valid responses. The profession of non-healthcare-worker (OR: 1.77, 95%CI: 1.04-3.00, p = .032), history of SARS-CoV or MERS-CoV infection (OR: 4.78, 95%CI: 2.34-9.63, p < .001), higher frequency of contact with colleagues (OR: 1.17, 95%CI: 1.01-1.37, p = .041), and habit of hugging when greeting (OR: 1.25, 95%CI: 1.00-1.56, p = .049) were associated with an increased risk of contracting COVID-19. Current smokers had a lower likelihood of having COVID-19 compared to former smokers (OR: 5.41, 95%CI: 1.93-17.49, p = .002) or non-smokers (OR: 3.69, 95%CI: 1.48-11.11, p = .01).ConclusionsOur study suggests several risk factors for SARS-CoV-2 transmission including the profession of non-healthcare workers, history of other coronavirus infections, frequent close contact with colleagues, the habit of hugging when greeting, and smoking status.

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