Lydia Chwastiak

ORCID: 0000-0003-4159-7934
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About
Contact & Profiles
Research Areas
  • Schizophrenia research and treatment
  • Mental Health Treatment and Access
  • Diabetes Management and Education
  • Chronic Disease Management Strategies
  • Health Policy Implementation Science
  • Bipolar Disorder and Treatment
  • Mental Health and Psychiatry
  • Cardiac Health and Mental Health
  • Digital Mental Health Interventions
  • Family Caregiving in Mental Illness
  • Health Systems, Economic Evaluations, Quality of Life
  • Mental Health and Patient Involvement
  • HIV/AIDS Research and Interventions
  • Diet and metabolism studies
  • Primary Care and Health Outcomes
  • Diabetes Management and Research
  • Telemedicine and Telehealth Implementation
  • Physical Activity and Health
  • Multiple Sclerosis Research Studies
  • COVID-19 and Mental Health
  • Fibromyalgia and Chronic Fatigue Syndrome Research
  • HIV, Drug Use, Sexual Risk
  • Obesity and Health Practices
  • Eating Disorders and Behaviors
  • Diabetes Treatment and Management

University of Washington
2016-2025

Duke University
2025

RTI International
2024-2025

Columbia University
2024

New York State Psychiatric Institute
2024

Harvard University Press
2024

Seattle University
2016-2023

University of Washington Tacoma
2023

Behavioral Tech Research, Inc.
2022

Washington State University Spokane
2018

OBJECTIVE: Previous research has shown high prevalence rates of depression in multiple sclerosis patients seen specialty clinics. The relationships among depressive symptoms and severity, duration, course are controversial. METHOD: A survey was mailed to members the Multiple Sclerosis Association King County (Wash.). Of 1,374 eligible participants, 739 returned survey, a response rate 53.8%. Data about demographic characteristics, employment, duration were collected. Severity determined by...

10.1176/appi.ajp.159.11.1862 article EN American Journal of Psychiatry 2002-10-31

10.1016/s0895-4356(03)00051-9 article EN Journal of Clinical Epidemiology 2003-06-01

IMPORTANCEAlthough schizophrenia is associated with several age-related disorders and considerable cognitive impairment, it remains unclear whether the risk of dementia higher among persons compared those without schizophrenia.OBJECTIVE To determine in a large nationwide cohort study up to 18 years follow-up, taking age established factors for into account. DESIGN, SETTING, AND PARTICIPANTSThis population-based more than 2.8 million aged 50 or older used individual data from 6 registers...

10.1001/jamapsychiatry.2015.1546 article EN JAMA Psychiatry 2015-10-07

Abstract Background Physical inactivity is a key contributor to the global burden of disease and disproportionately impacts wellbeing people experiencing mental illness. Increases in physical activity are associated with improvements symptoms illness reduction cardiometabolic risk. Reliable valid clinical tools that assess would improve evaluation intervention studies aim increase reduce sedentary behaviour living Methods The five-item Simple Activity Questionnaire (SIMPAQ) was developed by...

10.1186/s12888-020-2473-0 article EN cc-by BMC Psychiatry 2020-03-06

The COVID-19 pandemic has presented a formidable challenge to care continuity for community mental health clients with serious illness and providers who have had quickly pivot the modes of delivering critical services. Despite these challenges, many changes implemented during can should be maintained. These include offering spectrum options remote in-person care, greater integration behavioral physical healthcare, prevention viral exposure, increased collaborative decision-making related...

10.1007/s10597-020-00662-z article EN other-oa Community Mental Health Journal 2020-06-19

<h3>Importance</h3> Mental health comorbidities are increasing worldwide and worsen outcomes for people with diabetes, especially when care is fragmented. <h3>Objective</h3> To assess whether collaborative vs usual lowers depressive symptoms improves cardiometabolic indices among adults diabetes depression. <h3>Design, Setting, Participants</h3> Parallel, open-label, pragmatic randomized clinical trial conducted at 4 socioeconomically diverse clinics in India that recruited patients type 2...

10.1001/jama.2020.11747 article EN JAMA 2020-08-18

Introduction: This study examined the prevalence, intensity, interference, and biopsychosocial correlates of pain in a large community-based sample persons with multiple sclerosis (MS). Methods: Mail surveys were returned by 442 members King C ounty (WA) MS Association. Average pain-related activity depressive symptoms severity assessed. Results: Forty-four percent reported persistent, bothersome three months prior to completing survey. Participants an average intensity rating 5.2 (SD =2.3)...

10.1191/1352458503ms939oa article EN Multiple Sclerosis Journal 2003-11-12

Objective: This study examined racial and ethnic differences in treatment outcomes among participants a randomized controlled trial of an intervention for first-episode psychosis called NAVIGATE. Methods: Secondary data analyses were conducted randomly assigned to usual community care (N=181) NAVIGATE (N=223). Generalized estimating equations assessed whether race ethnicity associated with psychiatric symptoms service use (medication management, family psychoeducation, individual therapy)...

10.1176/appi.ps.201800067 article EN Psychiatric Services 2018-08-28

The primary aim of this study was to examine the effect recent tobacco, alcohol and cannabis use on treatment outcomes among participants experiencing first episode psychosis (FEP).Secondary data analyses were conducted 404 enrolled in Recovery After an Initial Schizophrenia Episode-Early Treatment Program (RAISE-ETP) study. RAISE-ETP investigated effectiveness a coordinated specialty care (CSC) intervention for FEP community mental health agencies United States. Generalized estimating...

10.1111/eip.12542 article EN Early Intervention in Psychiatry 2018-01-22

Abstract Objective The Mental and Substance Use Disorders Prevalence Study (MDPS) builds upon previous epidemiologic studies to provide estimates of prevalence treatment rates mental substance use disorders among adults aged 18–65 in the U.S. study background methods are described. Method MDPS employed novel techniques such as inclusion household, prison, homeless state psychiatric hospital populations, a semi‐structured clinical interview administered by trained interviewers assess...

10.1002/mpr.2000 article EN cc-by International Journal of Methods in Psychiatric Research 2024-01-22

Importance Collaborative care is a multicomponent intervention for patients with chronic disease in primary care. Previous meta-analyses have proven the effectiveness of collaborative depression; however, individual participant data (IPD) are needed to identify which components principal drivers this effect. Objective To assess biggest its reducing symptoms depression Data Sources were obtained from MEDLINE, Embase, Cochrane Library, PubMed, and PsycInfo as well references relevant...

10.1001/jamapsychiatry.2025.0183 article EN JAMA Psychiatry 2025-03-26

To assess the independent association of seven psychiatric illnesses with all-cause mortality in a representative national sample veterans, after adjustment for demographic factors, and medical comorbidity, obesity, tobacco use, exercise frequency.Analyses were conducted using data from 1999 Large Health Survey Veteran Enrollees (n = 559,985). Cox proportional hazards models used to examine relationship diagnoses mortality. Date was determined Department Veterans Affairs' Beneficiary...

10.1097/psy.0b013e3181eb33e9 article EN Psychosomatic Medicine 2010-07-17
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