Drug Use Highlights from the 2007 OSDUHS
Centre for Addiction and Mental Health (CAMH)
North America > Canada > Ontario
The Ontario Student Drug Use and Health Survey (OSDUHS) is an Ontario-wide survey of elementary (grades 7 and 8) and secondary (grades 9-12) school students conducted every two years since 1977. The 2007 survey, which used a stratified (region) two-stage cluster design (school, class) included 6,323 students in grades 7 to 12 from 43 school boards, 119 schools, and 385 classes
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