141st APHA Annual Meeting and Exposition

Home Events & Meetings Annual Meeting Schedule & Program

Recorded Annual Meeting Presentations (RAMP) are now available for purchase.
Only $90 for presenters, $140 for registered attendees and $200 for non-attendees.

Online Program

Kristina Phillips, PhD

Professor of Psychology
University of Northern Colorado
Greeley, CO
USA kristina.phillips@unco.edu

5095.0 A power comparison between hierarchical and marginal longitudinal logistic regression models: Application to marijuana usage