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Lecture 3

HSCI 130 Lecture Notes - Lecture 3: Attributable Risk, Gingivitis, Playtime

Health Sciences
Course Code
HSCI 130
Kate Tairyan

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HSCI 130 Lecture 3
describe magnitude of problem, etiology, rates, disability rates, mortality rates,
look at possible contributory factors or causes for that problem
identify people who are affected, at risk population
Evidence Based Public Health Approach
Recommendations- What works?
Implementation- How to get it done?
does the problem you chose have randomized trials done?
evidence is needed to establish the contributory cause and recommending actions or
increasing price of cigarettes, will that have an affect? intervention.
- we should be able to show that the people involved in the program has higher change
of quitting smoking than people not involved in it (group associations)
- we should be able to show that those who quit, quit after the program started ("cause"
precedes "effect")
- we should be able to show that by increasing the program intensity and presence in
the community results in higher number of quitting individuals (altering cause alters
we have to prove and show interventions are effective and can produce and reduce a
health issue.
how good is the evidence? (quality- type of the investigation and the evidence that it
- randomized trial? cohort study? case control?
- expert driven evidence
- relevance, efficacy, and effectiveness
how big is the desired outcome (magnitude of impact)
- how much of the disease or death could be potentially removed
- net benefits (benefits and harms)
- relative risk
- attributable risk
evidence to assess benefits and harms, but what about money?
- small or moderate impact + large cost
putting recommendations into practice= implementation
- developing strategies and choosing tools
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