Our experts work across the United States and around the globe, partnering with federal agencies, state and local governments, foundations, universities, professional associations, and businesses, to uncover evidence on health, human services, and international topics. In Evidence, learn about our work on current and past projects and explore our publications.

View all Evidence


Learn more about select client project work in health, human services, and international research.


Browse our complete online catalog of journal articles, fact sheets, issues briefs, working papers, and other publications.

Most Recent Evidence

Oakland Unite 2019-2020 Strategy Evaluation: Shooting and Homicide Response

Nov 18, 2020
Anthony D'Agostino, Mindy Hu, Naihobe Gonzalez, Natalie Larkin, and Michela Garber

Variation in Risk-Standardized Rates and Causes of Unplanned Hospital Visits Within 7 Days of Hospital Outpatient Surgery

Nov 17, 2020
Mayur M. Desai, Cheryl K. Zogg, Isuru Ranasinghe, Craig S. Parzynski, Zhenqiu Lin, Marianna Gorbaty, Angela Merrill, Harlan M. Krumholz, and Elizabeth E. Drye

PFAS Exposure Pathways for Humans and Wildlife: A Synthesis of Current Knowledge and Key Gaps in Understanding

Nov 17, 2020
Amila O. De Silva, James M. Armitage, Thomas A. Bruton, Clifton Dassuncao, Wendy Heiger‐Bernays, Cindy Hu, Anna Kärrman, Barry Kelly, Carla Ng, Anna Robuck, Mei Sun, Thomas F. Webster, and Elsie M. Sunderland

Practice‐Site‐Level Measures of Primary Care Comprehensiveness and Their Associations with Patient Outcomes

Nov 16, 2020
Ann S. O’Malley, Eugene C. Rich, Lisa Shang, Tyler Rose, Arkadipta Ghosh, Dmitriy Poznyak, Deborah Peikes, and Matt Niedzwiecki

Looking for something in particular within Evidence?


Hands with papers and a calculator

Working Paper Series

Our working paper series aims to provide timely evidence on policy and methodological research. We welcome and encourage your feedback.


See Clearly. Act Quickly.

We can help you shine a spotlight through the dark. Get in touch to learn more about how Mathematica could help you advance your mission.

Explore Partnership