causation

Question 1

What is causation

Answer 1

an event characteristic or condition (or combination) which plays an essential role in producing an occurance or a disease

Question 2

What is a causal pie

Answer 2

A visualisation of the component causes to make up a sufficent cause for a disease

diseases can have multiple sufficent causes
Some diseases have nessesary causes -> must be present for the disease

Question 3

What can causal pies be used for

Answer 3

Causal pies can be used to prevent a disease/ occurace and determine the best place to do this

component which impacts the largest percentage of the population will be the best to prevent disease

Question 4

What are the 7 guidlines for determining causation

Answer 4

1. biological plausibility - is there a mechanisum
2. experimental evidence - is there a study to prove
3. specificity - is the exposure only leading to outcome
4. temporal sequence - does exposure come before outcome
5. consistancy - is it inline with other studys
6. dose response relationship - increase dose -> increase outcome/risk
7. strength of association