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BMJ Open . COVID-19 vaccine uptake among Ontario physicians: a descriptive population-based retrospective cohort study

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  • BMJ Open . COVID-19 vaccine uptake among Ontario physicians: a descriptive population-based retrospective cohort study

    BMJ Open


    . 2024 Jun 10;14(6):e080461.
    doi: 10.1136/bmjopen-2023-080461. COVID-19 vaccine uptake among Ontario physicians: a descriptive population-based retrospective cohort study

    Cheng-Wei Liu 1 , Nivethika Jeyakumar 2 3 , Eric McArthur 2 3 , Jessica M Sontrop 3 4 , Daniel T Myran 2 5 , Kevin L Schwartz 2 6 7 , Manish M Sood 2 5 8 , Peter Tanuseputro 2 5 8 , Amit X Garg 9 2 3 4



    AffiliationsAbstract

    Objectives: To determine COVID-19 vaccine uptake among physicians in Ontario, Canada from 14 December 2020 to 13 February 2022.
    Design: Population-based retrospective cohort study.
    Setting: All registered physicians in Ontario, Canada using data from linked provincial administrative healthcare databases.
    Participants: 41 267 physicians (including postgraduate trainees) who were Ontario residents and registered with the College of Physicians and Surgeons of Ontario were included. Physicians who were out of province, had not accessed Ontario Health Insurance Plan-insured services for their own care for ≥5 years and those with missing identifiers were excluded.
    Primary and secondary outcome measures: Primary outcomes were the proportions of physicians who were recorded to have received at least one, at least two and three doses of a Health Canada-approved COVID-19 vaccine by study end date. Secondary outcomes were how uptake varied by physician characteristics (including age, sex, specialty and residential location) and time elapsed between doses.
    Results: Of 41 267 physicians, (56% male, mean age 47 years), 39 359 (95.4%) received at least one dose, 39 148 (94.9%) received at least two doses and 35 834 (86.8%) received three doses of a COVID-19 vaccine. Of those who received three doses, the proportions were 90.4% among those aged ≥60 years and 81.2-89.5% among other age groups; 88.7% among family physicians and 89% among specialists. 1908 physicians (4.6%) had no record of vaccination, and this included 3.4% of family physicians and 4.1% of specialists; however, 28% of this group had missing specialty information.
    Conclusions: In Ontario, within 14 months of COVID-19 vaccine availability, 86.8% of physicians had three doses of a COVID-19 vaccine, compared with 45.6% of the general population. Findings may signify physicians' confidence in the safety and effectiveness of COVID-19 vaccines.

    Keywords: COVID-19; SARS-CoV-2 infection; physicians; public health; vaccination.

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