Muskie School of Public Service

Katherine Ahrens Ph.D.

Assistant Research Professor of Public Health

Office Location

414 Wishcamper Center, Portland Campus



Academic Degrees

  • Boston University, Ph.D Epidemiology
  • University of Michigan, MPH Epidemiology
  • Harvard University, AB Biology


Dr. Katherine (Kate) Ahrens is an epidemiologist and assistant research professor in the Public Health Program at the USM Muskie School of Public Service. Her research focuses on maternal and child health. She joined the Muskie School after serving as a health scientist in the Office of Population Affairs, the federal office that administers the Title X Family Planning Program. Before that, she was a senior service fellow at the National Center for Health Statistics, where she conducted analyses using national datasets. Her current research involves studying the effects of contraceptive care on pregnancy spacing and health outcomes for women and children. She is also the co-investigator from Maine for the Medicaid Outcomes Distributed Research Network and a research investigator at the Maine Rural Health Research Center. Dr. Ahrens teaches courses on statistics and applied data analysis.

Areas of Expertise

  • Epidemiology
  • Family planning
  • Birth spacing
  • Pregnancy outcomes
  • Children’s health

Recent Publications

See here for a list of Dr. Ahrens's recent publications.