Individuals interested in reducing their coffee
intake were asked to complete a questionnaire
that asked them the following: (1) demographic
and biographical information; (2) the
number of cups of coffee consumed daily; (3)
the number of years they had drunk coffee daily;
(4) the brands and types of coffee consumed,
i.e., Maxim instant; (5) their reasons for wanting
to reduce their coffee consumption; (6) their
longest period of abstinence since they had become
regular coffee drinkers; (7) to list and
rank order all other beverages that they consumed
regularly; and (8) to list any prescription
medications and over-the-counter stimulants