3,396 students across 10 Los Angeles public high schools enrolled at baseline to complete their first survey in 9th grade.
Follow-up surveys were conducted every six months, for a total of 8 waves of data collection. Throughout high school, the H&H Study had over 95% retention rate.
After graduation, we proceed to survey students into emerging adulthood.
First follow-up survey after high school. Online data collection post-grad occurs twice a year.
The H&H study is on Wave 12 of data collection, and will continue until 2023.
University of Southern CaliforniaEpidemiology of Substance Use (EOS)Department of Population and Public Health Sciences
Soto Street Building, 3rd Floor 1845 N Soto StLos Angeles, CA 90032