The results showed that the program was
effective in reducing excessive coffee drinking
to moderate and presumably safer levels. The
subjects' coffee drinking decreased from almost
nine cups per day (over 1 100 mg caffeine) during
baseline to less than three cups per day (less
than 343 mg) at the end of treatment. By the
final treatment phase, Subject 1 had decreased
her mean daily intake of caffeine by 64%, Subject
2 by 68.8%, and Subject 3 by 73.2%. This