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Seattle-Denver Center of Innovation (COIN)


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COIN Investigators & Staff

COIN Investigators


Katherine Hoerster, PhD, MPH
Title: COIN Core Investigator and Clinical Psychologist
Associate Professor, University of Washington, Department of Psychiatry and Behavioral Sciences
Adjunct Associate Professor, Department of Health Systems and Population Health, School of Public Health
Location: Seattle
University of Washington webpage
See Dr. Hoerster's Dimensions profile that includes: publications, grants, datasets, patents and clinical trials


My research focuses on understanding and addressing the contextual factors like social support and policy that affect health and health behavior. I’m also fortunate to work with Veterans with PTSD as a staff psychologist in the VA Puget Sound-Seattle PTSD Outpatient Clinic. Last, I’m invested in maximizing research impact by communicating about science to the public and policymakers.

Sharing Research Findings with Participants
Recently Dr. Hoerster's research team sent letters of their findings to the ~500 Veterans who participated in the VA Health Services Research and Development Service (HSR&D) study.
"Sharing back with them (the study participants) is our most important dissemination step yet. We are so grateful to our study participants for their partnership."

The study protocol included this wording:
"Participant "Thank you" letter: We will send a thank you letter to randomized participants, including a link to the published primary results manuscript. We view this concluding step as essential to sharing findings with some of our most important collaborators in the research process: the study participants themselves."
Download a sample letter.

The research lead to this paper in JAMA
"Effect of a Remotely Delivered Self-directed Behavioral Intervention on Body Weight and Physical Health Status Among Adults With Obesity: The D-ELITE Randomized Clinical Trial"

As a clinician, it is a true honor to get to work alongside Veterans with PTSD and other mental health conditions as they pursue recovery and a full and meaningful life. I hope that the research I do builds on those meaningful relationships to bring health to Veterans throughout the country.

One of the most powerful tools for healing I’ve observed is Veterans partnering with other Veterans to provide support and solve problems. Through research and clinical work I hope to be a facilitator of Veteran-driven solutions that promote resilience, joy, and well-being.

The following images visualize Dr. Hoerster's work. The word cloud is drawn from publication titles. The research collaboration map shows research relationships (click the image to enlarge):

Dr. Hoerster's publication titles indicate his primary work is care of Veterans
Word cloud from pub titles
Dr. Hoerster's collaborations are primarily from the University of Washington
Research collaboration map
The following research fields have been used to summarize Dr. Hoerster's publications and grants. The categories are based on 63 publications and 3 grants.
Publications Grants
Clinical Research Nutrition
Prevention Obesity
Behavioral and Social Science Health Services
Mental Health Behavioral and Social Science
Brain Disorders Clinical Research
Post-Traumatic Stress Disorder (PTSD) Clinical Trials and Supportive Activities
Health Services Prevention
Anxiety Disorders Mental Health
Nutrition Mind and Body
Obesity Comparative Effectiveness Research

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Recent Publications




Hoerster KD, Hunter-Merrill R, Nguyen T, Rise P, Barón AE, McDowell J, Donovan LM, Gleason E, Lane A, Plumley R, Schooler M, Schuttner L, Collins M, Au DH, Ma J. Effect of a Remotely Delivered Self-directed Behavioral Intervention on Body Weight and Physical Health Status Among Adults With Obesity: The D-ELITE Randomized Clinical Trial. JAMA. 2022 Dec 13;328(22):2230-2241. doi: 10.1001/jama.2022.21177.
PMID: 36511927.
Learn more about this publication on Dimensions

Blalock DV, Pura JA, Stechuchak KM, Dennis PA, Maciejewski ML, Smith VA, Hung A, Hoerster KD, Wong ES. BMI Trends for Veterans Up to 10 Years After VA Enrollment Following Military Discharge. J Gen Intern Med. 2022 Oct 11:1–8. doi: 10.1007/s11606-022-07818-5. Epub ahead of print. PMCID: PMC9552734.
PMID: 36219304.
Learn more about this publication on Dimensions

Romano EFT, Baquero B, Hicks O, Gardner VA, Shannon KL, Hoerster KD. "No One Should Feel Like They're Unsafe": Mobility Justice Photovoice as a Youth Advocacy Tool for Equitable Community Mobility. Fam Community Health. 2022 Aug 4. doi: 10.1097/FCH.0000000000000344. Epub ahead of print.
PMID: 35943214.
Learn more about this publication on Dimensions

Persad-Clem R, Hoerster KD, Romano EFT, Huizar N, Maier KJ. Climate to COVID, global to local, policies to people: a biopsychosocial ecological framework for syndemic prevention and response in behavioral medicine. Transl Behav Med. 2022 May 25;12(4):516-525. doi: 10.1093/tbm/ibac021.
PMID: 35613005
Learn more about this publication on Dimensions

Gray KE, Hoerster KD, Spohr SA, Breland JY, Raffa SD. National Veterans Health Administration MOVE! Weight Management Program Participation During the COVID-19 Pandemic. Prev Chronic Dis. 2022 Mar 10;19:E11. doi: 10.5888/pcd19.210303.
PMID: 35271436.
Learn more about this publication on Dimensions



Hendrickson RC, Slevin RA, Hoerster KD, Chang BP, Sano E, McCall CA, Monty GR, Thomas RG, Raskind MA. The Impact of the COVID-19 Pandemic on Mental Health, Occupational Functioning, and Professional Retention Among Health Care Workers and First Responders. J Gen Intern Med. 2021 Dec 16. doi: 10.1007/s11606-021-07252-z. Epub ahead of print.
PMID: 34918181

Robustelli BL, Campbell SB, Greene PA, Sayre GG, Sulayman N, Hoerster KD. Table for two: Perceptions of social support from participants in a weight management intervention for veterans with PTSD and overweight or obesity. Psychol Serv. 2021 Sep 13. doi: 10.1037/ser0000577. Epub ahead of print.
PMID: 34516204

Gray KE, Hoerster KD, Taylor L, Krieger J, Nelson KM. Improvements in physical activity and some dietary behaviors in a community health worker-led diabetes self-management intervention for adults with low incomes: results from a randomized controlled trial. Transl Behav Med. 2021 Aug 23:ibab113. doi: 10.1093/tbm/ibab113. Epub ahead of print.
PMID: 34424331.

Chen JA, Jakupcak M, McCann R, Fickel JJ, Simons CE, Campbell DG, Stryczek KC, Hoerster KD, Chaney EF, Oishi SM, Miner MN, Bonner LM, Fortney JC, Felker BL. Posttraumatic stress disorder collaborative care: A quality improvement study in veterans affairs primary care. Fam Syst Health. 2021 Jun;39(2):198-211. doi: 10.1037/fsh0000623.
PMID: 34410768.

Hoerster KD, Tanksley L, Sulayman N, Bondzie J, Brier M, Damschroder L, Coggeshall S, Houseknecht D, Hunter-Merrill R, Monty G, Saelens BE, Sayre G, Simpson T, Wong E, Nelson K. Testing a tailored weight management program for veterans with PTSD: The MOVE! + UP randomized controlled trial. Contemp Clin Trials. 2021 Jun 16;107:106487. doi: 10.1016/j.cct.2021.106487. Epub ahead of print.
PMID: 34144246

Firth CL, Baquero B, Berney R, Hoerster KD, Mooney SJ, Winters M. Not quite a block party: COVID-19 street reallocation programs in Seattle, WA and Vancouver, BC. SSM Popul Health. 2021 Mar 9;14:100769. doi: 10.1016/j.ssmph.2021.100769. PMCID: PMC7966863.
PMID: 33748391



Hoerster KD, Gray K, Raffa SD. Weight Management and Healthy Lifestyles. JAMA Intern Med. 2020 Oct 1;180(10):1403-1404. doi: 10.1001/jamainternmed.2020.2765.
PMID: 32833002

Hoerster KD, Collins MP, Au DH, Lane A, Epler E, McDowell J, Barón AE, Rise P, Plumley R, Nguyen T, Schooler M, Schuttner L, Ma J. Testing a self-directed lifestyle intervention among veterans: The D-ELITE pragmatic clinical trial. Contemp Clin Trials. 2020 Aug;95:106045. doi: 10.1016/j.cct.2020.106045. Epub 2020 May 28. PMID: ; PMCID: PMC7253950.
PMID: 32473403

Campbell SB, Gray KE, Hoerster KD, Fortney JC, Simpson TL. Differences in functional and structural social support among female and male veterans and civilians. Soc Psychiatry Psychiatr Epidemiol. 2020 Apr 6;. Doi: 10.1007/s00127-020-01862-4. [Epub ahead of print] PubMed
PMID: 32249329

Hoerster KD, Tanksley L, Simpson T, Saelens BE, Unützer J, Black M, Greene P, Sulayman N, Reiber G, Nelson K. Development of a Tailored Behavioral Weight Loss Program for Veterans With PTSD (MOVE!+UP): A Mixed-Methods Uncontrolled Iterative Pilot Study. Am J Health Promot. 2020 Jul;34(6):587-598. doi: 10.1177/0890117120908505. Epub 2020 Mar 12. PMID: ; PMCID: PMC7478932.
PMID: 32162528

Haibach JP, Hoerster KD, Dorflinger L, McAndrew LM, Cassidy DG, Goodrich DE, Bormann JE, Lowery J, Asch SM, Raffa SD, Moin T, Peterson AL, Goldstein MG, Neal-Walden T, Talcott GW, Hunter CL, Knight SJ. Research translation for military and veteran health: research, practice, policy. Transl Behav Med. 2020 Feb 11:ibz195. doi: 10.1093/tbm/ibz195. Epub ahead of print.
PMID: 32043529



Browne KC, Hoerster KD, Piegari R, Fortney JC, Nelson KN, Post EP, Fihn SD, Mori AM, Trivedi RB. Clinical Care Quality Among Veterans Health Administration Patients With Mental Illness Following Medical Home Implementation. Psychiatr Serv. 2019 Sep 1;70(9):816-823. doi: 10.1176/ Epub 2019 Jul 16.
PMID: 31310189

Hoerster KD, Campbell S, Dolan M, Stappenbeck CA, Yard S, Simpson T, Nelson KM. PTSD is associated with poor health behavior and greater Body Mass Index through depression, increasing cardiovascular disease and diabetes risk among U.S. veterans. Prev Med Rep. 2019 Jun 28;15:100930. doi: 10.1016/j.pmedr.2019.100930. eCollection 2019 Sep. PMC6627033
PMID: 31338278

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MOVE!+UP: Testing a Tailored Weight Management Program for Veterans with PTSD

NIH website: