Author(s): Wu N; Joyal-Desmarais K; Ribeiro PAB; Vieira AM; Stojanovic J; Sanuade C; Yip D; Bacon SL;

Background: Synthesising evidence on the long-term vaccine effectiveness of COVID-19 vaccines (BNT162b2 [Pfizer-BioNTech], mRNA-1273 [Moderna], ChAdOx1 nCoV-19 [AZD1222; Oxford-AstraZeneca], and Ad26.COV2.S [Janssen]) against infections, hospitalisations, and mortality is crucial to making eviden ...

Article GUID: 36780914

Author(s): Joyal-Desmarais K; Stojanovic J; Kennedy EB; Enticott JC; Boucher VG; Vo H; Košir U; Lavoie KL; Bacon SL;

COVID-19 research has relied heavily on convenience-based samples, which-though often necessary-are susceptible to important sampling biases. We begin with a theoretical overview and introduction to the dynamics that underlie sampling bias. We then empirically examine sampling bias in online COVI ...

Article GUID: 36335560

Author(s): Lavoie K; Gosselin-Boucher V; Stojanovic J; Gupta S; Gagné M; Joyal-Desmarais K; Séguin K; Gorin SS; Ribeiro P; Voisard B; Vallis M; Corace K; Presseau J; Bacon S;

Objective: To examine rates of vaccine hesitancy and their correlates among Canadian adults between April 2020 and March 2021. Design: Five sequential cross-sectional age, sex and province-weighted population-based samples who completed online surveys. Setting: Canada. Participants: A total of ...

Article GUID: 35383087

Author(s): Vallis M; Bacon S; Corace K; Joyal-Desmarais K; Sheinfeld Gorin S; Paduano S; Presseau J; Rash J; Mengistu Yohannes A; Lavoie K;

Governments, public health officials and pharmaceutical companies have all mobilized resources to address the COVID-19 pandemic. Lockdowns, social distancing, and personal protective behaviours have been helpful but have shut down economies and disrupted normal activities. Vaccinations protect po ...

Article GUID: 35062668

Author(s): Huelsnitz CO; Jones RE; Simpson JA; Joyal-Desmarais K; Standen EC; Auster-Gussman LA; Rothman AJ;

Relationship partners affect one another's health outcomes through their health behaviors, yet how this occurs is not well understood. To fill this gap, we present the Dyadic Health Influence Model (DHIM). The DHIM identifies three routes through which a person (the agent) can impact the heal ...

Article GUID: 34873983

Author(s): Stojanovic J; Boucher VG; Gagne M; Gupta S; Joyal-Desmarais K; Paduano S; Aburub AS; Sheinfeld Gorin SN; Kassianos AP; Ribeiro PAB; Bacon SL; Lavoie KL;

The success of large-scale COVID-19 vaccination campaigns is contingent upon people being willing to receive the vaccine. Our study explored COVID-19 vaccine hesitancy and its correlates in eight different countries around the globe. We analyzed convenience sample data collected between March 202 ...

Article GUID: 34204379