Clonidine is the generic name of Catapres, a medication used to treat high blood pressure. Clonidine works by slowing down your heart rate and relaxing blood vessels. You can take clonidine alone or in combination with other medications to lower blood pressure. Clonidine is in a class of medications called centrally acting alpha-agonist hypotensive agents.
This means there is a relationship between the two events, hours worked and income and also that a change in one event (hours worked) causes a change in the other (income). This is causation in action! Causation indicates a relationship between two events where one event is affected by the other. In statistics, when the value of one event, or variable, increases or decreases as a result of other events, it is said there is causation.
In legal matters,  but-for ,  sine qua non , causa sine qua non, or  cause-in-fact  causation, or conditio sine qua non, is a circumstance in which a certain act is a material cause of a certain injury or wrongdoing, without which the injury would not have occurred.