11. A statement quoted in this chapter was “clinically depressed people are at a 50 percent greater risk of killing themselves” (Newsweek, 18 April 1994, p. 48).

This means that when comparing people who are clinically depressed to those who are not, the former have an increased risk of killing themselves of 50%.

What is the relative risk of suicide for those who are clinically depressed compared with those who are not?