In the original 1970s research comparing the health outcomes of Type A and Type B men, what principal outcome was found?
◦ There were no differences in health outcomes between Type A and Type B men.
◦ Twenty percent of men who had heart attacks had Type B personality.
◦ Sixty-nine percent of men suffering heart attacks had Type A personality.
◦ Twenty-nine percent of men who had heart attacks had Type A personality.