Definitions andphysicians' role inmodifying behaviour

summary value. The 50th percentile omits the extremes at either end, those whowould prohibit alcohol at one end and those with very liberal views on alcohol intake at the other. The25th, 75th, and higher per- centiles are presented to give a sense ofthe overall distribution ofresponses. RESULTS PatientpopulationTable 1 describes respondents. Womenoutnum- bered men almost 3:2; 70% of respondents were between 19 and 49 years old. Education level was high compared with respondents to the CanadaHealth PromotionSurveyof1990, 34%ofwhomwereat an elementary school level and 15%at a university level. Occupational categories were broadly distrib-uted with no striking variation from national surveydata. Themost prevalent ethnic backgroundsreport- edwereBritishandCanadian (540).Patient-doctorrelationships These patients had stable relationships with theirphysicians. Only 9%had seen these doctors for lessthan 1 year; 58%hadseenthesedoctorsfor5yearsormore. Only9%of patients reported fewerthan threepreviousvisits to