A statistical association may be causal or noncausal. In addition, many diseases require that more than one factor be present for disease to develop. Examples of multiple causation models include:

Examples of multiple causation models include: web of causation model

Explanation:

The web of causation means that there is a relationship between multiple factors that can be responsible for the cause of a disease.

Diseases so not occur only because of a single factor but many factors in association lead to a disease. For example: coronary artery disease is not only related to diet but diet in combination with smoking, amount of physical inactivity a person does, his stress levels etc together cause the disease. Thus, answer is web of causation model.