What Teens have a lower cancer rate than people over 60. In this statement Age is a?

Age is a confounding variable.

In the given statement, the cancer rate is being compared between two groups of people: teens and people over 60. Age is a factor that could potentially influence the cancer rate, as it is known that cancer risk generally increases with age. Therefore, age is a confounding variable in this context, as it could potentially affect the relationship between the teen group and the cancer rate.