12. Risk

Notes

Absolute Risk

The risk (or probability) of some event occuring for an individual or in a fixed period.

Remember:

Absolute Risk is a probability.

(i.e) it is between 0 and 1

Relative Risk

Compares risk (probabilities) between two groups, or by receiving a certain treatment, etc.

Note:

Relative Risk is a ratio - this means it can be greater than 1.

Videos/Examples

Example:

Your risk of being hit by lightning during your lifetime could be 0.000004

Example:

You may be twice as likely to die in a car accident compared with dying in an accident at work.