The results in this Highlights report are of four female and one out of five male high from 6,237 randomly selected students in school students had more than one sexual Grades 7, 9, 10, and 12 who completed the partner of the opposite sex in the year prior to questionnaire. [...] Overall, this survey revealed decreases bingo), more than half (59%) of adolescent from 2002 to 2007 in the prevalence of can- students participated in at least one gambling nabis, cigarette, and other drug uses (Table activity in the year prior to the survey, and 1). [...] For all other Weighted estimates of the prevalence of sub- drugs, any use refers to consuming the drug stance use and the corresponding 95% confi- on one or more occasions within the 12 dence intervals were used for comparisons months prior to the survey; and, frequent use by grade and gender. [...] Table 1: Alcohol, tobacco, and other drug use in the year prior to the survey among Grades 7, 9, 10, and 12 students in 1998*, 2002*, and 2007§ Percentage of substance use. [...] Grade • The use of tobacco increased with • Figure 2 shows that the percentages of grade level: tobacco use decreased in all four.