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

Ning Chen, MS

Statistical Analyst
Boston University
Boston, MA
USA ningchen@bu.edu

4369.0 Predictors of phone call attempts needed to complete follow-up assessments in longitudinal mental health research