World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
80
Citations
34241
World Ranking
1427
National Ranking
855

Overview

Philip J. Leaf is affiliated with Johns Hopkins University in the United States and has published research primarily in the fields of Social Sciences and Medicine. Their work spans various subfields including Sociology and Political Science, Clinical Psychology, Health, Physiology, and Epidemiology.

The scientist's research covers a range of topics involving violence, public health, and healthcare professionals' wellbeing. Key themes include terrorism, counterterrorism, and political violence; suicide and self-harm studies; gun ownership and violence research; smoking behavior and cessation; substance abuse treatment and outcomes; alcohol consumption and health effects; and healthcare professionals' stress and burnout.

Philip J. Leaf has contributed to several recent publications, including:

  • Second Victims: Aftermath of Gun Violence and Faith-Based Responses, 2020, Journal of Religion and Health
  • Using Zoning as a Public Health Tool to Reduce Alcohol Outlet Oversaturation, Promote Compliance, and Guide Future Enforcement: a Preliminary Analysis of Transform Baltimore, 2020, Journal of Urban Health
  • The use of propensity scores to assess the generalizability of results from randomized trials, 2020, UNC Libraries
  • Health Care Workers and Burnout: A Cross-Sectional Study, 2025, AJN American Journal of Nursing

The scientist has collaborated with several frequent coauthors, such as Panagis Galiatsatos, Thomas Cudjoe, Jerrell Bratcher, Peter Heikkinen, and Sherita Hill Golden. These collaborations have appeared across multiple research outputs contributing to diverse interdisciplinary topics.

Philip J. Leaf's work has been published in venues including:

  • Journal of Religion and Health
  • Journal of Urban Health
  • UNC Libraries
  • AJN American Journal of Nursing

Best Publications

  • Multiple Imputation by Chained Equations: What is it and how does it work?

    Melissa J. Azur;Elizabeth A. Stuart;Constantine Frangakis;Philip J. Leaf

  • Six-Month Prevalence of Psychiatric Disorders in Three Communities: 1980 to 1982

    Jerome K. Myers;Myrna M. Weissman;Gary L. Tischler;Charles E. Holzer

  • The epidemiology of co-occurring addictive and mental disorders: implications for prevention and service utilization.

    Ronald C. Kessler;M.P.H. Christopher B. Nelson Ph.D.;Katherine A. McGonagle;J B S Mark Edlund

  • Examining the Overlap in Internet Harassment and School Bullying: Implications for School Intervention

    Michele L. Ybarra;Marie Diener-West;Philip J. Leaf

  • Utilization of health and mental health services. Three Epidemiologic Catchment Area sites.

    Sam Shapiro;Elizabeth A. Skinner;Larry G. Kessler;Michael Von Korff

  • Examining the Effects of Schoolwide Positive Behavioral Interventions and Supports on Student Outcomes: Results from a Randomized Controlled Effectiveness Trial in Elementary Schools.

    Catherine P. Bradshaw;Mary M. Mitchell;Philip J. Leaf

  • The prevalence and correlates of untreated serious mental illness.

    R C Kessler;P A Berglund;M L Bruce;J R Koch

  • Affective disorders in five United States communities.

    Myrna M. Weissman;Philip J. Leaf;Gary L. Tischler;Dan G. Blazer

  • Feasibility and preliminary outcomes of a school-based mindfulness intervention for urban youth

    Tamar Mendelson;Mark T. Greenberg;Jacinda K. Dariotis;Laura Feagans Gould

  • Maximizing the Implementation Quality of Evidence-Based Preventive Interventions in Schools: A Conceptual Framework

    Celene E. Domitrovich;Catherine P. Bradshaw;Jeanne M. Poduska;Kimberly Hoagwood

  • A Multilevel Study of Predictors of Student Perceptions of School Climate: The Effect of Classroom-Level Factors

    Christine W. Koth;Catherine P. Bradshaw;Philip J. Leaf

  • Mental health service use in the community and schools: Results from the four-community MECA study

    Philip J. Leaf;Margarita Alegria;Patricia Cohen;Sherryl H. Goodman

  • Barriers to children's mental health services.

    Pamela L. Owens;Kimberly Hoagwood;Sarah M. Horwitz;Philip J. Leaf

  • Altering school climate through school-wide Positive Behavioral Interventions and Supports: findings from a group-randomized effectiveness trial.

    Catherine Pilcher Bradshaw;Christine W. Koth;Leslie A. Thornton;Philip J. Leaf

  • Past-Year Use of Outpatient Services for Psychiatric Problems in the National Comorbidity Survey

    Ronald C. Kessler;Shanyang Zhao;Steven J. Katz;Anthony C. Kouzis

  • The impact of school-wide positive behavioral interventions and supports (PBIS) on the organizational health of elementary schools.

    Catherine P. Bradshaw;Christine W. Koth;Katherine B. Bevans;Nicholas Ialongo

  • Effects of School-Wide Positive Behavioral Interventions and Supports on Child Behavior Problems

    Catherine Pilcher Bradshaw;Tracy Evian Waasdorp;Philip J. Leaf

  • Multilevel Exploration of Factors Contributing to the Overrepresentation of Black Students in Office Disciplinary Referrals

    Catherine P. Bradshaw;Mary M. Mitchell;Lindsey M. O'Brennan;Philip J. Leaf

  • The use of propensity scores to assess the generalizability of results from randomized trials

    Elizabeth A. Stuart;Stephen R. Cole;Catherine P. Bradshaw;Philip J. Leaf

  • Racial differences in attitudes toward professional mental health care and in the use of services

    M.P.H. Chamberlain Diala Ph.D.;Carles Muntaner M.D.;Christine Walrath;Kim J. Nickerson

  • Student and Teacher Perceptions of School Climate: A Multilevel Exploration of Patterns of Discrepancy

    Mary M. Mitchell;Catherine P. Bradshaw;Philip J. Leaf

  • Implementation of School-Wide Positive Behavioral Interventions and Supports (PBIS) in Elementary Schools: Observations from a Randomized Trial

    Catherine Pilcher Bradshaw;Wendy M. Reinke;Louis D. Brown;Katherine B. Bevans

  • Mental health in pediatric settings: distribution of disorders and factors related to service use.

    Margaret J. Briggs-Gowan;Sarah Mc Cue Horwitz;Mary E. Schwab-Stone;John M. Leventhal

Frequent Co-Authors

Myrna M. Weissman
Myrna M. Weissman Columbia University
Linda B. Cottler
Linda B. Cottler University of Florida
Lindsay A. Farrer
Lindsay A. Farrer Boston University
Kathleen R. Merikangas
Kathleen R. Merikangas National Institutes of Health
John R. Weisz
John R. Weisz Harvard University

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