Karen J. Coleman, PhD

Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California; Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California

  • 6Articles
  • 30.4KReads1
  • 2015–2025Active
  • 36Collaborators
  • 222Citations2

About

Karen J. Coleman, PhD, is affiliated with the Department of Research and Evaluation at Kaiser Permanente Southern California and the Department of Health Systems Science at Kaiser Permanente Bernard J. Tyson School of Medicine. From 2015 to 2025, Coleman has published extensively on topics including patient care, suicide risk, major depressive disorder, psychotic disorders, schizophrenia and schizoaffective disorders, and weight-related issues. Her work addresses clinical areas such as mental health diagnoses associated with bariatric surgery, clozapine use in psychotic disorders, suicide risk prediction, antidepressant adherence, and the prescription patterns of antidepressants. Coleman frequently collaborates with Gregory E. Simon, Susan M. Shortreed, Arne Beck, Rebecca C. Rossom, and Eric Johnson.

Publications

JCP
New Onset Mental Health Diagnosis and Emergent Service Utilization Associated with Bariatric Surgery
Original Research

New Onset Mental Health Diagnosis and Emergent Service Utilization Associated with Bariatric Surgery

September 10, 2025

The surgical group had lower risk of a new onset mental health diagnosis in the first 2 years after surgery and approximately 20% higher risk in years 4–8 of...
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JCP
Clozapine Use and Specific Indications
Original Research

Clozapine Use and Specific Indications

April 29, 2024

Clozapine initiation is uncommon in people with psychotic disorders who have experienced events suggesting clozapine is indicated, with even lower rates in Black and Hispanic patients.
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JCP
Machine Learning Prediction of Suicide Risk
Original Research

Machine Learning Prediction of Suicide Risk

August 31, 2022

Suicide assessment prompted by prediction models may be intrusive to patients with no history of suicidality. This study examined if machine learning models identify patients with high suicide risk...
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JCP
Original Research

Antidepressant Adherence in Psychiatry and Primary Care

October 24, 2017

Does rate of adherence to antidepressants vary much between physicians? This study of electronic health records and insurance claims data investigates the question, as well as whether adherence to...
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JCP
Article

Suicide Risk and PHQ-9 Responses

February 24, 2016

When your patients complete the Patient Health Questionnaire, they are asked about the frequency of suicidal thoughts. For patients who indicate suicidal ideation, how long does their suicide risk...
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JCP
Original Research

Are Antidepressants for Mild Depression?

December 23, 2015

Read the full report on how often large health care systems prescribe antidepressant medication for minimal or mild depression.
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1 Read counts for articles published before 2020 may include some non-human traffic.

2 Citation counts provided by Crossref.

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