Question

Describe three types of associations(chance, noncausal, and causal) that are possible among exposure and health outcomes. Please give example of each. Need to have 100 words

Answer 1

1. Casual Association:

Casual association means there is relationship between two variables or factors.

Example

1. Excess salt intake causes hypertension

It explains relationship between excess salt intake and hypertension.

II. Non casual:

It deals with non directional association between two variables.

That is there is no relationship between the variables.

Example:

Alcohol use and smoking

Both are dose not have relationship.

III. Chance association:

Chance association does not explain the proof of relationship between the variables.

Example:

Increase water intake and crime rate in summer.