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Table of Contents

October 2021; Volume 9,Issue 4

Research

  • Open Access
    SARS-CoV-2 antibodies in Ontario health care workers during and after the first wave of the pandemic: a cohort study
    Michelle Science, Shelly Bolotin, Michael Silverman, Jeya Nadarajah, Bryan Maguire, Rulan S. Parekh, Allison McGeer, Kevin L. Schwartz, Laura Alexander, Upton Allen, Archchun Ariyarajah, Lucas Castellani, Ronald D. Cohn, Mark Downing, Kevin Katz, Kescha Kazmi, Jerome A. Leis, Derek Liu, Jeffrey M. Pernica, Jane E. Schneiderman, Maya Sumaida and Aaron Campigotto
    October 12, 2021 9 (4) E929-E939; DOI: https://doi.org/10.9778/cmajo.20210044
  • Open Access
    Risks associated with colonoscopy in a population-based colon screening program: an observational cohort study
    Marcel Tomaszewski, David Sanders, Robert Enns, Laura Gentile, Scott Cowie, Carla Nash, Denis Petrunia, Paul Mullins, Jeremy Hamm, Nazanin Azari-Razm, Dmitriy Bykov and Jennifer Telford
    October 12, 2021 9 (4) E940-E947; DOI: https://doi.org/10.9778/cmajo.20200192
  • Open Access
    Health care costs of hospitalization of young children for respiratory syncytial virus infections: a population-based matched cohort study
    Nisha Thampi, Braden D. Knight, Kednapa Thavorn, Richard J. Webster, Krista Lanctot, Steven Hawken and J. Dayre McNally
    October 19, 2021 9 (4) E948-E956; DOI: https://doi.org/10.9778/cmajo.20200219
  • Open Access
    Changes in the reach of a smoking cessation program in Ontario, Canada, during the COVID-19 pandemic: a cross-sectional study
    Nadia Minian, Scott Veldhuizen, Elise Tanzini, Stephanie Duench, Wayne K. deRuiter, Megan Barker, Laurie Zawertailo, Osnat C. Melamed and Peter Selby
    October 19, 2021 9 (4) E957-E965; DOI: https://doi.org/10.9778/cmajo.20210053
  • Open Access
    Impacts of the Certificates of Added Competence credentialling program: a qualitative case study of enhanced-skill family medicine practice across Canada
    Lawrence Grierson, Ilana Allice, Alison Baker, Alexandra Farag, Jesse Guscott, Michelle Howard, Margo Mountjoy, Henry Y.-H. Siu, X. Catherine Tong and Meredith Vanstone
    November 09, 2021 9 (4) E966-E972; DOI: https://doi.org/10.9778/cmajo.20200278
  • Open Access
    Incidence and prevalence of primary malignant brain tumours in Canada from 1992 to 2017: an epidemiologic study
    Mathew R. Voisin, Sanskriti Sasikumar, Alireza Mansouri and Gelareh Zadeh
    November 09, 2021 9 (4) E973-E979; DOI: https://doi.org/10.9778/cmajo.20200295
  • Open Access
    Data-sharing practices in publications funded by the Canadian Institutes of Health Research: a descriptive analysis
    Kevin B. Read, Heather Ganshorn, Sarah Rutley and David R. Scott
    November 09, 2021 9 (4) E980-E987; DOI: https://doi.org/10.9778/cmajo.20200303
  • Open Access
    Acute mental health service use following onset of the COVID-19 pandemic in Ontario, Canada: a trend analysis
    Natasha R. Saunders, Alene Toulany, Bhumika Deb, Rachel Strauss, Simone N. Vigod, Astrid Guttmann, Maria Chiu, Anjie Huang, Kinwah Fung, Simon Chen and Paul Kurdyak
    November 16, 2021 9 (4) E988-E997; DOI: https://doi.org/10.9778/cmajo.20210100
  • Open Access
    Discrimination experienced by Asian Canadian and Asian American health care workers during the COVID-19 pandemic: a qualitative study
    Zhida Shang, Jennifer Y. Kim and Shuliang O. Cheng
    November 16, 2021 9 (4) E998-E1004; DOI: https://doi.org/10.9778/cmajo.20210090
  • Open Access
    Estimating the population health burden of Lyme disease in Ontario, Canada: a microsimulation modelling approach
    Stephen Mac, Gerald A. Evans, Samir N. Patel, Eleanor M. Pullenayegum and Beate Sander
    November 16, 2021 9 (4) E1005-E1012; DOI: https://doi.org/10.9778/cmajo.20210024
  • Open Access
    The mental well-being and coping strategies of Canadian adolescents during the COVID-19 pandemic: a qualitative, cross-sectional study
    Kendra Nelson Ferguson, Stephanie E. Coen, Danielle Tobin, Gina Martin, Jamie A. Seabrook and Jason A. Gilliland
    November 16, 2021 9 (4) E1013-E1020; DOI: https://doi.org/10.9778/cmajo.20210042
  • Open Access
    Analyzing supply and demand on a general internal medicine ward: a cross-sectional study
    Michael Fralick, Neal Kaw, Mingkun Wang, Muhammad Mamdani and Ophyr Mourad
    November 16, 2021 9 (4) E1021-E1025; DOI: https://doi.org/10.9778/cmajo.20200252
  • Open Access
    Structures, processes and models of care for emergency general surgery in Ontario: a cross-sectional survey
    Graham Skelhorne-Gross, Rahima Nenshi, Angela Jerath and David Gomez
    November 23, 2021 9 (4) E1026-E1033; DOI: https://doi.org/10.9778/cmajo.20200306
  • Open Access
    Developing a patient-oriented realist evaluation for COVID-19 vaccine implementation in Saskatchewan: a methodologic framework
    Amir Reza Azizian, Tracey Carr, Nazeem Muhajarine, Tanya Verrall, Collin Hartness, Jason Vanstone, Maryam Yasinian, Candace Skrapek, Brenda Andreas, Gerald Farthing and Gary Groot
    November 23, 2021 9 (4) E1034-E1039; DOI: https://doi.org/10.9778/cmajo.20210041
  • Open Access
    The role of hospital characteristics in patient safety: a protocol for a national cohort study
    Khara M. Sauro, G. Ross Baker, George Tomlinson and Christopher Parshuram
    November 23, 2021 9 (4) E1041-E1047; DOI: https://doi.org/10.9778/cmajo.20200266
  • Open Access
    Comparison of claims from high–drug cost beneficiaries in Ontario, Canada, and Australia: a cross-sectional analysis
    Mina Tadrous, Benjamin Daniels, Sallie-Anne Pearson and Tara Gomes
    November 23, 2021 9 (4) E1048-E1054; DOI: https://doi.org/10.9778/cmajo.20200291
  • Open Access
    Projected impact of biosimilar substitution policies on drug use and costs in Ontario, Canada: a cross-sectional time series analysis
    Tara Gomes, Daniel McCormack, Sophie A. Kitchen, J. Michael Paterson, Muhammad M. Mamdani, Laurie Proulx, Lorraine Bayliss and Mina Tadrous
    November 23, 2021 9 (4) E1055-E1062; DOI: https://doi.org/10.9778/cmajo.20210091
  • Open Access
    The ophthalmic surgical backlog associated with the COVID-19 pandemic: a population-based and microsimulation modelling study
    Tina Felfeli, Raphael Ximenes, David M.J. Naimark, Philip L. Hooper, Robert J. Campbell, Sherif R. El-Defrawy and Beate Sander
    November 23, 2021 9 (4) E1063-E1072; DOI: https://doi.org/10.9778/cmajo.20210145
  • Open Access
    COVID-19 in a remote First Nations community in British Columbia, Canada: an outbreak report
    Courtney R. Smith, Charmaine Enns, Dan Cutfeet, Shannon Alfred, Nicole James, Jennifer Lindbeck and Shannon Russell
    November 30, 2021 9 (4) E1073-E1079; DOI: https://doi.org/10.9778/cmajo.20210054
  • Open Access
    Primary care bonus payments and patient-reported access in urban Ontario: a cross-sectional study
    Kamila Premji, Ewa Sucha, Richard H. Glazier, Michael E. Green, Walter P. Wodchis, William E. Hogg, Tara Kiran, Eliot Frymire, Thomas R. Freeman and Bridget L. Ryan
    November 30, 2021 9 (4) E1080-E1096; DOI: https://doi.org/10.9778/cmajo.20200235
  • Open Access
    Dispensing and practice use patterns, facilitators and barriers for uptake of ulipristal acetate emergency contraception in British Columbia: a mixed-methods study
    Michelle C. Chan, Sarah Munro, Laura Schummers, Arianne Albert, Frannie Mackenzie, Judith A. Soon, Parkash Ragsdale, Brian Fitzsimmons and Regina Renner
    November 30, 2021 9 (4) E1097-E1104; DOI: https://doi.org/10.9778/cmajo.20200193
  • Open Access
    Effect of electronic medication reconciliation at the time of hospital discharge on inappropriate medication use in the community: an interrupted time-series analysis
    Blayne Welk, Lauren Killin, Jennifer N. Reid, Kelly K. Anderson, Salimah Z. Shariff, Andrew Appleton, Glen Kearns and Amit X. Garg
    November 30, 2021 9 (4) E1105-E1113; DOI: https://doi.org/10.9778/cmajo.20210071
  • Open Access
    Brain structure and function in people recovering from COVID-19 after hospital discharge or self-isolation: a longitudinal observational study protocol
    Bradley J. MacIntosh, Xiang Ji, J. Jean Chen, Asaf Gilboa, Eugenie Roudaia, Allison B. Sekuler, Fuqiang Gao, Jordan A. Chad, Aravinthan Jegatheesan, Mario Masellis, Maged Goubran, Jennifer Rabin, Benjamin Lam, Ivy Cheng, Robert Fowler, Chris Heyn, Sandra E. Black and Simon J. Graham
    November 30, 2021 9 (4) E1114-E1119; DOI: https://doi.org/10.9778/cmajo.20210023
  • Open Access
    Physician perspectives on delays in cancer diagnosis in Alberta: a qualitative study
    Anna Pujadas Botey, Kathy GermAnn, Paula J. Robson, Barbara M. O’Neill and Douglas A. Stewart
    November 30, 2021 9 (4) E1120-E1127; DOI: https://doi.org/10.9778/cmajo.20210013
  • Open Access
    Extent of a valsartan drug shortage and its effect on antihypertensive drug use in the Canadian population: a national cross-sectional study
    Jennifer Fenna, Cherry Chu, Rola Hassan, Tara Gomes and Mina Tadrous
    December 07, 2021 9 (4) E1128-E1133; DOI: https://doi.org/10.9778/cmajo.20200232
  • Open Access
    Association between new-onset anosmia and positive SARS-CoV-2 tests among people accessing outpatient testing in Toronto, Ontario: a retrospective cross-sectional study
    Braden O’Neill, Sumeet Kalia, Peter Gill, Susan Hum, Carla Moran-Venegas, Rebecca Stoller, Michelle Greiver, Payal Agarwal, Abirami Kirubarajan, Samuel DeKoven, David Eisen, Andrew Pinto and Sheila Dunn
    December 07, 2021 9 (4) E1134-E1140; DOI: https://doi.org/10.9778/cmajo.20210085
  • Open Access
    Using the Edmonton Obesity Staging System in the real world: a feasibility study based on cross-sectional data
    Rukia Swaleh, Taylor McGuckin, Tyler W. Myroniuk, Donna Manca, Karen Lee, Arya M. Sharma, Denise Campbell-Scherer and Roseanne O. Yeung
    December 07, 2021 9 (4) E1141-E1148; DOI: https://doi.org/10.9778/cmajo.20200231
  • Open Access
    Pediatric primary care in Ontario and Manitoba after the onset of the COVID-19 pandemic: a population-based study
    Natasha Saunders, Astrid Guttmann, Marni Brownell, Eyal Cohen, Longdi Fu, Jun Guan, Joykrishna Sarkar, Alyson Mahar, Sima Gandhi, Lisa Fiksenbaum, Alan Katz, Nkiruka Eze and Therese A. Stukel
    December 14, 2021 9 (4) E1149-E1158; DOI: https://doi.org/10.9778/cmajo.20210161
  • Open Access
    Conceptualizing success factors for patient engagement in patient medical homes: a cross-sectional survey
    Nadiya Sunderji, Allyson Ion, Vincent Tang, Jennifer Rayner, Carol Mulder, Noah Ivers and Akram Alyass
    December 14, 2021 9 (4) E1159-E1167; DOI: https://doi.org/10.9778/cmajo.20200152
  • Open Access
    Prevalence of and risk factors for excess weight gain in pregnancy: a cross-sectional study using survey data
    Jamie L. Benham, Jane E. Booth, Lois E. Donovan, Alexander A. Leung, Ronald J. Sigal and Doreen M. Rabi
    December 14, 2021 9 (4) E1168-E1174; DOI: https://doi.org/10.9778/cmajo.20200276
  • Open Access
    Impact of COVID-19 on hospital hand hygiene performance: a multicentre observational study using group electronic monitoring
    Victoria Williams, Adam Kovacs-Litman, Matthew P. Muller, Susy Hota, Jeff E. Powis, Daniel R. Ricciuto, Dominik Mertz, Kevin Katz, Lucas Castellani, Alex Kiss, Amber Linkenheld-Struk and Jerome A. Leis
    December 14, 2021 9 (4) E1175-E1180; DOI: https://doi.org/10.9778/cmajo.20210072
  • Open Access
    The impact of proposed regulatory changes and rescheduling on low-dose codeine purchasing in Canada: a time-series analysis
    Charlotte G. Boone, Tony Antoniou, David N. Juurlink, Teagan Rolf von den Baumen, Sophie A. Kitchen, Georgia C. Richards, Mina Tadrous and Tara Gomes
    December 14, 2021 9 (4) E1181-E1186; DOI: https://doi.org/10.9778/cmajo.20210173
  • Open Access
    Impact of the Connected Medicine collaborative in improving access to specialist care: a cross-sectional analysis
    Clare Liddy, Emma Boulay, Lois Crowe, Maxine Dumas-Pilon, Neil Drimer, Gerard Farrell, Laurie Ireland, Christine (Kirby) Kirvan, Veronique Nabelsi, Alexander Singer, Margot Wilson and Erin Keely
    December 14, 2021 9 (4) E1187-E1194; DOI: https://doi.org/10.9778/cmajo.20200210
  • Open Access
    The effect of interventions targeting gut microbiota on depressive symptoms: a systematic review and meta-analysis
    Mark Hofmeister, Fiona Clement, Scott Patten, Joyce Li, Laura E. Dowsett, Brenlea Farkas, Liza Mastikhina, Oluwaseun Egunsola, Ruth Diaz, Noah C.A. Cooke and Valerie H. Taylor
    December 21, 2021 9 (4) E1195-E1204; DOI: https://doi.org/10.9778/cmajo.20200283
  • Open Access
    Adherence to guidance for prioritizing higher risk groups for breast cancer screening during the COVID-19 pandemic in the Ontario Breast Screening Program: a descriptive study
    Anna M. Chiarelli, Meghan J. Walker, Gabriela Espino-Hernandez, Natasha Gray, Ayesha Salleh, Chamila Adhihetty, Julia Gao, Samantha Fienberg, Michelle A. Rey and Linda Rabeneck
    December 21, 2021 9 (4) E1205-E1212; DOI: https://doi.org/10.9778/cmajo.20200285
  • Open Access
    Health care access among transgender and nonbinary people in Canada, 2019: a cross-sectional survey
    Ayden I. Scheim, Todd Coleman, Nathan Lachowsky and Greta R. Bauer
    December 21, 2021 9 (4) E1213-E1222; DOI: https://doi.org/10.9778/cmajo.20210061
  • Open Access
    Risk stratification for COVID-19 hospitalization: a multivariable model based on gradient-boosting decision trees
    Jahir M. Gutierrez, Maksims Volkovs, Tomi Poutanen, Tristan Watson and Laura C. Rosella
    December 21, 2021 9 (4) E1223-E1231; DOI: https://doi.org/10.9778/cmajo.20210036
  • Open Access
    Infection control measures to prevent outbreaks of COVID-19 in Quebec hemodialysis units: a cross-sectional survey
    William Beaubien-Souligny, Annie-Claire Nadeau-Fredette, Marie-Noel Nguyen, Norka Rios, Marie-Line Caron, Alexander Tom and Rita S. Suri MD; for the Quebec Renal Network COVID-19 Study Investigators
    December 21, 2021 9 (4) E1232-E1241; DOI: https://doi.org/10.9778/cmajo.20210102
  • Open Access
    The 2018 Global Point Prevalence Survey of antimicrobial consumption and resistance in 47 Canadian hospitals: a cross-sectional survey
    Greg J. German, Charles Frenette, Jean-Alexandre Caissy, Jennifer Grant, Marie-Astrid Lefebvre, Dominik Mertz, Sarah Lutes, Allison McGeer, Jacqueline Roberts, Kevin Afra, Louis Valiquette, Yannick Émond, Marie Carrier, Anaïs Lauzon-Laurin, Trong Tien Nguyen, Hamed Al-Bachari, Justin Kosar, Shaqil Peermohamed, Michelle Science, Daniel Landry, Timothy MacLaggan, Peter Daley, Gerald McDonald, Anita Ang, Sandra Chang, Yu-Chen Lin, Brandon Tong, Suzanne Malfair, Victor Leung, Kevin Katz, Ines Pauwels, Herman Goossens, Ann Versporten, John Conly and Daniel J.G. Thirion
    December 21, 2021 9 (4) E1242-E1251; DOI: https://doi.org/10.9778/cmajo.20200274
  • Open Access
    Estimating the effect of timetabling decisions on the spread of SARS-CoV-2 in medium-to-large engineering schools in Canada: an agent-based modelling study
    Robert W. Brennan, Nancy Nelson and Robyn Paul
    December 21, 2021 9 (4) E1252-E1259; DOI: https://doi.org/10.9778/cmajo.20200280
  • Open Access
    Hypoglycemia requiring paramedic assistance among adults in southwestern Ontario, Canada: a population-based retrospective cohort study
    Selina L. Liu, Melanie P. Columbus, Michael Peddle, Jeffrey L. Mahon and Tamara Spaic
    December 21, 2021 9 (4) E1260-E1268; DOI: https://doi.org/10.9778/cmajo.20200184

Correction

  • You have access
    Correction: Influence of opioid prescribing standards on health outcomes among patients with long-term opioid use: a longitudinal cohort study
    October 05, 2021 9 (4) E926; DOI: https://doi.org/10.9778/cmajo.20210242
  • You have access
    Correction: Opioid losses in terms of dosage and value, January 2012 to September 2017: a retrospective analysis of Health Canada data
    October 05, 2021 9 (4) E927; DOI: https://doi.org/10.9778/cmajo.20210250
  • You have access
    Correction: Buprenorphine–naloxone practice and attitudes in 22 Canadian emergency physician groups: a cross-sectional survey
    October 05, 2021 9 (4) E928; DOI: https://doi.org/10.9778/cmajo.20210253
  • You have access
    Correction: Nurse home visiting and prenatal substance use in a socioeconomically disadvantaged population in British Columbia: analysis of prenatal secondary outcomes in an ongoing randomized controlled trial
    November 23, 2021 9 (4) E1040; DOI: https://doi.org/10.9778/cmajo.20210288
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CMAJ Open: 9 (4)
Vol. 9, Issue 4
1 Oct 2021
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  • Medications and dosages used in medical assistance in dying: a cross-sectional study
  • Regional health care services and rates of lower extremity amputation related to diabetes and peripheral artery disease: an ecological study
  • The adverse health effects and harms related to marijuana use: an overview review
  • Salivary testing for SARS-CoV-2 in the pediatric population: a diagnostic accuracy study
  • College complaints against resident physicians in Canada: a retrospective analysis of Canadian Medical Protective Association data from 2013 to 2017
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