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Zhang M, Bo M, Wang H, Fan W, Kong L, Zhou C, Zhang Z. Prevalence and influencing factors of post-traumatic stress disorder among Chinese healthcare workers during the COVID-19 epidemic: a systematic review and meta-analysis. Front Psychiatry 2024; 15:1323111. [PMID: 38425999 PMCID: PMC10902088 DOI: 10.3389/fpsyt.2024.1323111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 01/29/2024] [Indexed: 03/02/2024] Open
Abstract
Background Post-traumatic stress disorder is an important psychological problem affecting the physical mental health of Chinese healthcare workers during the COVID-19 pandemic. Aims To estimate the prevalence and influencing factors of post-traumatic stress disorder (PTSD) among Chinese healthcare workers during COVID-19. Methods Search of Chinese and English literature in PubMed, EMbase, Web of Science, Medline, Elsevier, SpringerLink, China Biomedical Literature Database, CNKI, Wan-fang, and CQVIP for the period from December 2019 to August 2023. Stata 14.0 software was used for data analysis. The methodological quality of each study was scored, and data were extracted from the published reports. Pooled prevalence was estimated using the Random-effects model. Publication bias was evaluated using Egger's test and Begg's test. Results Twenty-one studies included 11841 Chinese healthcare workers in this review. First, the overall prevalence of Post-traumatic stress disorder among Chinese healthcare workers during the COVID-19 epidemic was 29.2% (95% CI: 20.7% to 33.7%). Twelve factors included in the meta-analysis were found to be protective against PTSD among Chinese healthcare workers: female, nurse, married, front-line work, less work experience, family or friend diagnosed with COVID-19, history of chronic disease and fear of COVID-19. Conversely, outside Hubei, higher education, social support and psychological resilience are protective factors. Conclusion These recent findings increase our understanding of the psychological status of Chinese healthcare workers and encourage that long-term monitoring and long-term interventions should be implemented to improve the mental health of Chinese healthcare workers in the aftermath of the COVID-19.
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Affiliation(s)
- Min Zhang
- Department of Applied Psychology, Binzhou Medical University, Yantai, Shandong, China
| | - Mingyu Bo
- Department of Applied Psychology, Binzhou Medical University, Yantai, Shandong, China
| | - Huixin Wang
- Department of Applied Psychology, Binzhou Medical University, Yantai, Shandong, China
| | - Wenyi Fan
- Department of Applied Psychology, Binzhou Medical University, Yantai, Shandong, China
| | - Lingling Kong
- Department of Applied Psychology, Binzhou Medical University, Yantai, Shandong, China
| | - Chunjie Zhou
- School of Information and Electrical Engineering, Ludong University, Yantai, Shandong, China
| | - Zhenxing Zhang
- School of Information and Electrical Engineering, Ludong University, Yantai, Shandong, China
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Portillo-Van Diest A, Vilagut G, Alayo I, Ferrer M, Amigo F, Amann BL, Aragón-Peña A, Aragonès E, Asúnsolo Del Barco Á, Campos M, Del Cura-González I, Espuga M, González-Pinto A, Haro JM, Larrauri A, López-Fresneña N, Martínez de Salázar A, Molina JD, Ortí-Lucas RM, Parellada M, Pelayo-Terán JM, Pérez-Zapata A, Pijoan JI, Plana N, Puig T, Rius C, Rodríguez-Blázquez C, Sanz F, Serra C, Urreta-Barallobre I, Kessler RC, Bruffaerts R, Vieta E, Pérez-Solá V, Alonso J, Mortier P. Traumatic stress symptoms among Spanish healthcare workers during the COVID-19 pandemic: a prospective study. Epidemiol Psychiatr Sci 2023; 32:e50. [PMID: 37555258 PMCID: PMC10465320 DOI: 10.1017/s2045796023000628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 03/06/2023] [Accepted: 06/24/2023] [Indexed: 08/10/2023] Open
Abstract
AIM To investigate the occurrence of traumatic stress symptoms (TSS) among healthcare workers active during the COVID-19 pandemic and to obtain insight as to which pandemic-related stressful experiences are associated with onset and persistence of traumatic stress. METHODS This is a multicenter prospective cohort study. Spanish healthcare workers (N = 4,809) participated at an initial assessment (i.e., just after the first wave of the Spain COVID-19 pandemic) and at a 4-month follow-up assessment using web-based surveys. Logistic regression investigated associations of 19 pandemic-related stressful experiences across four domains (infection-related, work-related, health-related and financial) with TSS prevalence, incidence and persistence, including simulations of population attributable risk proportions (PARP). RESULTS Thirty-day TSS prevalence at T1 was 22.1%. Four-month incidence and persistence were 11.6% and 54.2%, respectively. Auxiliary nurses had highest rates of TSS prevalence (35.1%) and incidence (16.1%). All 19 pandemic-related stressful experiences under study were associated with TSS prevalence or incidence, especially experiences from the domains of health-related (PARP range 88.4-95.6%) and work-related stressful experiences (PARP range 76.8-86.5%). Nine stressful experiences were also associated with TSS persistence, of which having patient(s) in care who died from COVID-19 had the strongest association. This association remained significant after adjusting for co-occurring depression and anxiety. CONCLUSIONS TSSs among Spanish healthcare workers active during the COVID-19 pandemic are common and associated with various pandemic-related stressful experiences. Future research should investigate if these stressful experiences represent truly traumatic experiences and carry risk for the development of post-traumatic stress disorder.
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Affiliation(s)
- Ana Portillo-Van Diest
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
| | - Gemma Vilagut
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
| | - Itxaso Alayo
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Asociación instituto de investigación en sistemas de salud Biosistemak, Barakaldo, País Vasco, España
| | - Montse Ferrer
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | - Franco Amigo
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
| | - Benedikt L. Amann
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Centre Fórum Research Unit, Institute of Neuropsychiatry and Addictions (INAD), Parc de Salut Mar, Barcelona, Spain
- Department of Health Services Research Group, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- Department for Psychiatry and Psychotherapy, Hospital of the Ludwig-Maximilians-University Munich, Germany
| | - Andrés Aragón-Peña
- Epidemiology Unit, Regional Ministry of Health, Community of Madrid, Madrid, Spain
- Fundación Investigación e Innovación Biosanitaria de AP, Comunidad de Madrid, Madrid, Spain
| | - Enric Aragonès
- Department of Atenció Primària Camp de Tarragona, Institut d’Investigació en Atenció Primària IDIAP Jordi Gol, Barcelona, Spain
- Atenció Primària Camp de Tarragona, Institut Català de la Salut, Spain
| | - Ángel Asúnsolo Del Barco
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcala, Alcalá de Henares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
- Department of Epidemiology and Biostatistics, Graduate School of Public Health and Health Policy, The City University of New York, New York, NY, USA
| | - Mireia Campos
- Service of Prevention of Labor Risks, Medical Emergencies System, Generalitat de Catalunya, Spain
| | - Isabel Del Cura-González
- Fundación Investigación e Innovación Biosanitaria de AP, Comunidad de Madrid, Madrid, Spain
- Research Unit, Primary Care Management, Madrid Health Service, Madrid, Spain
- Department of Medical Specialities and Public Health, King Juan Carlos University, Madrid, Spain
| | - Meritxell Espuga
- Occupational Health Service, Hospital Universitari Vall d’Hebron, Barcelona, Spain
| | - Ana González-Pinto
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- BIOARABA, UPV-EHU, Hospital Universitario Araba-Santiago, Vitoria-Gasteiz, Spain
| | - Josep M. Haro
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Department of Research and Development Unit, Parc Sanitari Sant Joan de Déu, Barcelona, Spain
- Department Facultat de Medicina y Ciencias de la Salut, Universitat de Barcelona (UB), Barcelona, Spain
| | - Amparo Larrauri
- National Center of Epidemiology, Instituto de Salud Carlos III, Madrid, Spain
| | - Nieves López-Fresneña
- Department Medicina Preventiva, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | | | - Juan D. Molina
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Villaverde Mental Health Center, Clinical Management Area of Psychiatry and Mental Health, Psychiatric Service, Hospital Universitario 12 de Octubre, Madrid, Spain
- Research Institute Hospital 12 de Octubre (i+12), Madrid, Spain
- Faculty of Health Sciences, Universidad Francisco de Vitoria, Madrid, Spain
| | - Rafael M. Ortí-Lucas
- Department of Preventive MedicineDepartment, Hospital Clínic Universitari, Valencia, Spain
| | - Mara Parellada
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Department Medicina Preventiva, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - José M. Pelayo-Terán
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Servicio de Psiquiatría y Salud Mental, Hospital el Bierzo, Gerencia de Asistencia Sanitaria del Bierzo (GASBI), Gerencia Regional de Salud de Castilla y Leon (SACYL), Ponferrada, León, Spain
- Area de Medicina Preventiva y Salud Pública, Universidad de León, León, Spain
| | - Aurora Pérez-Zapata
- Department Servicio de Prevención de Riesgos Laborales, Príncipe de Asturias University Hospital, Alcalá de Henares, Madrid, Spain
| | - José I. Pijoan
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Department Clinical Epidemiology Unit, Hospital Universitario Cruces/OSI EEC, Bilbao, Spain
| | - Nieves Plana
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Department Servicio de Prevención de Riesgos Laborales, Príncipe de Asturias University Hospital, Alcalá de Henares, Madrid, Spain
| | - Teresa Puig
- Department of Epidemiology and Public Health, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
- Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
- Department of Paediatrics, Obstetrics and Gynaecology and Preventive Medicine and Public HealthDepartment, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain
| | - Cristina Rius
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
- Agència de Salut Pública de Barcelona, Barcelona, Spain
| | - Carmen Rodríguez-Blázquez
- National Center of Epidemiology, Instituto de Salud Carlos III, Madrid, Spain
- CIBER de Enfermedades Neurodegenerativas, Instituto de Salud Carlos III, Madrid, Spain
| | - Ferran Sanz
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
- Research Progamme on Biomedical Informatics (GRIB), Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Instituto Nacional de Bioinformatica – ELIXIR-ES (IMPaCT-Data-ISCIII), Barcelona, Spain
| | - Consol Serra
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Departament de Psiquiatria i Medicina Legal, Parc de Salut Mar PSMAR, Barcelona, Spain
- CiSAL-Centro de Investigación en Salud Laboral, IMIM/UPF, Barcelona, Spain
| | - Iratxe Urreta-Barallobre
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Osakidetza Basque Health Service, Donostialdea Integrated Health Organisation, Donostia University Hospital, Clinical Epidemiology Unit, San Sebastián, Spain
- Clinical Epidemiology, Biodonostia Health Research Institute, San Sebastián, Spain
| | - Ronald C. Kessler
- Department of Health Care Policy, Harvard Medical School, Boston, MA, USA
| | - Ronny Bruffaerts
- Center for Public Health Psychiatry, Universitair Psychiatrisch Centrum, KU Leuven, Leuven, Belgium
| | - Eduard Vieta
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Hospital Clínic, Institute of Neuroscience, University of Barcelona, IDIBAPS, Barcelona, Catalonia, Spain
| | - Víctor Pérez-Solá
- CIBER de Salud Mental, Instituto de Salud Carlos III, Madrid, Spain
- Department of Paediatrics, Obstetrics and Gynaecology and Preventive Medicine and Public HealthDepartment, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Departament de Psiquiatria i Medicina Legal, Parc de Salut Mar PSMAR, Barcelona, Spain
| | - Jordi Alonso
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | - Philippe Mortier
- Health Services Research Unit, IMIM-Institut Hospital del Mar d’Investigacions Mèdiques, Barcelona, Spain
- CIBER de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain
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Ali AM, Al-Dossary SA, Almarwani AM, Atout M, Al-Amer R, Alkhamees AA. The Impact of Event Scale-Revised: Examining Its Cutoff Scores among Arab Psychiatric Patients and Healthy Adults within the Context of COVID-19 as a Collective Traumatic Event. Healthcare (Basel) 2023; 11:healthcare11060892. [PMID: 36981549 PMCID: PMC10048280 DOI: 10.3390/healthcare11060892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/18/2023] [Accepted: 03/12/2023] [Indexed: 03/30/2023] Open
Abstract
The Impact of Event Scale-Revised (IES-R) is the most popular measure of post-traumatic stress disorder (PTSD). It has been recently validated in Arabic. This instrumental study aimed to determine optimal cutoff scores of the IES-R and its determined six subscales in Arab samples of psychiatric patients (N = 168, 70.8% females) and healthy adults (N = 992, 62.7% females) from Saudi Arabia during the COVID-19 pandemic as a probable ongoing collective traumatic event. Based on a cutoff score of 14 of the Depression Anxiety Stress Scale 8-items (DASS-8), receiver operator curve (ROC) analysis revealed two optimal points of 39.5 and 30.5 for the IES-R in the samples (area under the curve (AUC) = 0.86 & 0.91, p values = 0.001, 95% CI: 0.80-0.92 & 0.87-0.94, sensitivity = 0.85 & 0.87, specificity = 0.73 & 0.83, Youden index = 0.58 & 0.70, respectively). Different cutoffs were detected for the six subscales of the IES-R, with numbing and avoidance expressing the lowest predictivity for distress. Meanwhile, hyperarousal followed by pandemic-related irritability expressed a stronger predictive capacity for distress than all subscales in both samples. In path analysis, pandemic-related irritability/dysphoric mood evolved as a direct and indirect effect of key PTSD symptoms (intrusion, hyperarousal, and numbing). The irritability dimension of the IES-R directly predicted the traumatic symptoms of sleep disturbance in both samples while sleep disturbance did not predict irritability. The findings suggest the usefulness of the IES-R at a score of 30.5 for detecting adults prone to trauma related distress, with higher scores needed for screening in psychiatric patients. Various PTSD symptoms may induce dysphoric mood, which represents a considerable burden that may induce circadian misalignment and more noxious psychiatric problems/co-morbidities (e.g., sleep disturbance) in both healthy and diseased groups.
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Affiliation(s)
- Amira Mohammed Ali
- Department of Psychiatric Nursing and Mental Health, Faculty of Nursing, Alexandria University, Alexandria 21527, Egypt
| | - Saeed A Al-Dossary
- Department of Psychology, College of Education, University of Ha'il, Ha'il 55476, Saudi Arabia
| | - Abdulaziz Mofdy Almarwani
- Department of Psychiatric Nursing, College of Nursing, Taibah Univesity, Janadah Bin Umayyah Road, Tayba, Medina 42353, Saudi Arabia
| | - Maha Atout
- School of Nursing, Philadelphia University, Amman 19392, Jordan
| | - Rasmieh Al-Amer
- Faculty of Nursing, Isra University, Amman 11953, Jordan
- School of Nursing and Midwifery, Western Sydney University, Penrith, NSW 2751, Australia
| | - Abdulmajeed A Alkhamees
- Department of Medicine, Unayzah College of Medicine and Medical Sciences, Qassim University, Unayzah 52571, Saudi Arabia
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Monnig MA, Clark SE, Avila JC, Sokolovsky AW, Treloar Padovano H, Goodyear K, Aston ER, Haass-Koffler CL, Tidey JW, Ahluwalia JS, Monti PM. COVID-19-Related Stressors and Clinical Mental Health Symptoms in a Northeast US Sample. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1367. [PMID: 36674123 PMCID: PMC9858791 DOI: 10.3390/ijerph20021367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/30/2022] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Research has linked specific COVID-19-related stressors to the mental health burden, yet most previous studies have examined only a limited number of stressors and have paid little attention to their clinical significance. This study tested the hypothesis that individuals who reported greater COVID-19-related stressors would be more likely to have elevated levels of anxiety, posttraumatic stress symptoms, and serious psychological distress. METHODS An online survey was administered to a convenience sample from 18 June to 19 July 2020, in US states that were most affected by COVID-19 infections and deaths at the time. Individuals who were 18 or older and residents of five Northeast US states were eligible to participate (N = 1079). In preregistered analyses, we used logistic regression models to test the associations of COVID-19 stressors with symptoms on the Generalized Anxiety Disorder-7 (GAD-7), Impact of Event Scale-Revised, and K6, adjusting for sociodemographic covariates. RESULTS COVID-19-related stressors (i.e., essential worker status, worry about COVID-19 infection, knowing someone hospitalized by COVID-19, having children under 14 at home, loneliness, barriers to environmental rewards, food insecurity, loss of employment) were associated with meeting thresholds (i.e., positive screening) for anxiety, posttraumatic stress, and/or serious psychological distress. Loneliness and barriers to environmental rewards were associated with all mental health outcomes. LIMITATIONS We used a non-probability sample and cannot assume temporal precedence of stressors with regard to development of mental health symptoms. CONCLUSIONS These findings link specific stressors to the mental health burden of the COVID-19 pandemic.
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Affiliation(s)
- Mollie A. Monnig
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
| | - Samantha E. Clark
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
| | - Jaqueline C. Avila
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
| | - Alexander W. Sokolovsky
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
| | - Hayley Treloar Padovano
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
- Center for Alcohol and Addiction Studies, Department of Psychiatry and Human Behavior, Brown University, Providence, RI 02912, USA
| | - Kimberly Goodyear
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
- Center for Alcohol and Addiction Studies, Department of Psychiatry and Human Behavior, Brown University, Providence, RI 02912, USA
| | - Elizabeth R. Aston
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
| | - Carolina L. Haass-Koffler
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
- Center for Alcohol and Addiction Studies, Department of Psychiatry and Human Behavior, Brown University, Providence, RI 02912, USA
| | - Jennifer W. Tidey
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
- Center for Alcohol and Addiction Studies, Department of Psychiatry and Human Behavior, Brown University, Providence, RI 02912, USA
| | - Jasjit S. Ahluwalia
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
| | - Peter M. Monti
- Center for Alcohol and Addiction Studies, Department of Behavioral and Social Sciences, Brown University, Providence, RI 02912, USA
- Center for Addiction and Disease Risk Exacerbation, Brown University, Providence, RI 02912, USA
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