scholarly journals S3.2 The role of community based randomised trials in the evaluation of public health interventions

2011 ◽  
Vol 87 (Suppl 1) ◽  
pp. A3-A3
Author(s):  
A. Donner
2021 ◽  
Vol 9 ◽  
Author(s):  
Amelie Cyr ◽  
Prosanta Mondal ◽  
Gregory Hansen

Objectives: According to the World Health Organization (WHO), an early and consistent international and national response is needed to control a pandemic's spread. In this analysis, we evaluate the coordination of Canada's early response to the coronavirus (COVID-19) pandemic in terms of public health interventions and policies implemented in each province and territory.Methods: Retrospective data was obtained from publicly accessible websites maintained by federal, provincial and territorial governmental agencies. Consistent with WHO's spreading of the disease pandemic action, individual and community-based public health interventions and policies were the focus. Time of intervention or policy, and COVID-19 cases per million at time of intervention was recorded for each province and territory.Results: Most public health interventions and policies demonstrated wide time ranges of implementation across individual provinces and territories. At time of implementation, there were also wide variations in the number of positive COVID-19 cases in these jurisdictions. Cases per million per implemented day were also not similar across interventions or policy, suggesting that other factors may have been preferentially considered.Conclusions: Whether an earlier and more structured national approach would have lessened the pandemic's burden is uncertain, calls for greater federal coordination and leadership should to examined.


2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Vincent Geloso

Abstract In this short article, I summarize recent research in economic history that suggests long-run institutional trade-offs in public health that affect both health and economic outcomes. These trade-offs suggest that a long timespan is necessary to fully measure the consequences of heavy-handed public health interventions. This timespan means that those who have declared “victory” or “defeat” in the wake of COVID policy are premature. Modesty in terms of policy evaluation and prescription is still warranted.


Trials ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Atle Fretheim

AbstractA recently published trial of face mask use to protect against COVID-19 demonstrated a key barrier to carrying out randomised trials in public health: the need for unattainably large sample sizes. For many public health interventions, the choice is not between sufficiently powered trials and underpowered trials, but between underpowered trials and no trials at all. Underpowered trials should be viewed as contributions to the larger body of evidence, alongside other studies of various sizes and designs, collectively assessed and synthesized in systematic reviews. Overemphasis on sample size calculation is probably more of a hindrance than a help to scientific progress.


2021 ◽  
Author(s):  
V. Miró Pina ◽  
J. Nava-Trejo ◽  
A. Tóbiás ◽  
E. Nzabarushimana ◽  
A. Gonzalez-Casanova ◽  
...  

AbstractPreventive and modelling approaches to address the COVID-19 pandemic have been primarily based on the age or occupation, and often disregard the importance of the population contact structure and individual connectivity. To address this gap, we developed models that first incorporate the role of heterogeneity and connectivity and then can be expanded to make assumptions about demographic characteristics. Results demonstrate that variations in the number of connections of individuals within a population modify the impact of public health interventions such vaccination approaches. We conclude that the most effective vaccination strategy will vary depending on the underlying contact structure of individuals within a population and on timing of the interventions.


2017 ◽  
Vol 25 (4) ◽  
pp. 262-264
Author(s):  
Carla Sabariego

Abstract: The Model Disability Survey (MDS) is the tool recommended by the world health organization (WHO) to collect data on disability at the population level. It consciously promotes a narrative of inclusion, as disability is understood as a continuum, ranging from low to high levels. Public health currently faces the challenge of responding to demographic and health shifts leading to an increase in disability in the population. The MDS provides the information needed to meet these challenges and develop targeted public health interventions.


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