Controversies In Epidemiology - Assessment Answer

Assignment Task :

QUESTION 1 Identify a contemporary exposure-outcome association from the literature relating to your selected theme. Briefly describe the epidemiology of the selected outcome, and describe the nature of the association between the selected exposure and the outcome.  

• What is the outcome, how is it defined? What is the prevalence/incidence of the outcome, and its disease burden in populations?
• To what population does the outcome predominantly relate?
• Does the prevalence/incidence of the outcome differ by particular socio-demographic groups or populations?
• Describe the effect size between exposed and non-exposed groups Comment on the internal validity of studies that have investigated the exposure- outcome association. That is, to what extent is the observed association ‘causal’? 

QUESTION 2 Select an intervention that has been proposed to address the association you describe in Question 1. What evidence is there that this intervention is effective? 

• How many studies of the intervention? -What type of studies? Based on what samples? or population-bases?
• Are findings across these studies consistent, particularly from studies of similar or more powerful study designs? -Are the effects of the intervention ongoing or sustainable? 

QUESTION 3 Describe how interventions have been applied to a policy or practice context. 

• Has this intervention led to new therapies or treatments, the provision of services, legislative responses, cultural change? -What specific barriers and facilitators have affected the uptake and implementation of the intervention? 

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