Timothy Matthews

California State University--Northridge

Affiliations

Department Of Environmental Health

Timothy Matthews is a researcher at California State University, Northridge, specializing in occupational epidemiology, public health, and health policy. His work examines the social determinants of worker health, with a focus on work-related stress, effort-reward imbalance, and their links to cardiovascular disease mortality, cognitive decline, and sleep disturbances. Recent studies leverage U.S. national cohorts, including the Health and Retirement Study, to explore failed reciprocity in social roles and the joint effects of workplace and everyday discrimination. He also investigates adverse childhood experiences and their long-term mental health impacts, including racial and ethnic disparities. His research has appeared in *Preventive Medicine*, *BMC Public Health*, and the *Journal of Affective Disorders*.

Honors

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Timothy Matthews

California State University--Northridge

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public health health policy worker health united states work-related stress occupational epidemiology mental health demography occupational health psychology sociology physical activity industrial ergonomics occupational medicine psychology regional studies american studies occupational therapy job strain psychological distress cardiovascular disease mortality covid-19 hypertension vocational behavior covid-19 pandemic organizational psychology healthy work environments adverse childhood experiences workforce development environmental health environmental research psychiatric research health planning harm reduction work-family interface worklife balance environmental psychology work adjustment social epidemiology cohort studies labor market outcomes work safety workplace health surveillance leisure-time physical activity ethnic disparities prospective evidence workplace discrimination tobacco control economic behavior safety science preventive medicine travel medicine cardiovascular research professional development applied cognitive psychology tobacco use cerebrovascular disease labor market impact midlife health population aging child mental health occupational safety organizational safety disease prevention workplace studies job performance environmental epidemiology health inequalities labor market integration labor relations cigarette smoking screen time negative employment changes gender difference effort-reward imbalance drug misuse employment status

Notable Scholarly Works

Notable Federal Grants

Collaborators

Adverse Childhood Experiences and College Student Mental Health: The Role of Coping Strategies and Developmental Timing of Adversity. Adversity and Resilience Science (2025)

Failed Reciprocity in Core Social Roles and Cardiovascular Disease Mortality: Prospective Results From the U.S. Health and Retirement Study. BMC Public Health (2025)

Joint Effects of Workplace and Everyday Discrimination on Sleep Disturbances: A 9-Year Prospective Cohort Study in U.S. Employees. International Journal of Behavioral Medicine (2025)

Long Working Hours and Cardiovascular Disease Mortality: Prospective Evidence From the United States. Preventive Medicine (2025)

Yiran GuTimothy A MatthewsJian Li

cardiovascular disease mortalitysocial determinants of healthunited statesworking hoursglobal healthpublic healthinjury preventionpreventive healthcareharm reductionhealth sciencesworker healthindustrial ergonomicspreventive medicineworklife balancedisease preventioncardiovascular researchwork safetyphysical activitytravel medicineprospective evidencehealthy work environmentscardiovascular disease

Associations of Adverse Childhood Experiences With Depression and Anxiety Among Children in the United States: Racial and Ethnic Disparities in Mental Health. Journal of Affective Disorders (2024)

Timothy A. MatthewsHongshan ShaoMyriam ForsterIsak Kim

racial discriminationmental healthchild mental healthethnic disparitiesdepressionunited statesadverse childhood experiencesjournalism

Comparison of Working Conditions Between Immigrant and Non-Immigrant Healthcare Workers in the United States: Evidence From the National Health Interview Survey. Safety and Health at Work (2024)

Megan GuardianoTimothy A MatthewsWendie RobbinsJian Li

sociologysocial determinants of healthunited statesworkplace health surveillancerural healthlabor market outcomesworkforce developmentpublic healthhealth inequalitiesmigration studiesharm reductionworker healthindustrial ergonomicsnursingsocioeconomic statusdemographylabor market integrationoccupational therapypublic health preparednessnon-immigrant healthcare workers

Formulations of Job Strain and Psychological Distress: A Four-Year Longitudinal Study in Japan. Safety and Health at Work (2024)

Mayumi SaikiTimothy A. MatthewsNorito KawakamiWendie RobbinsJian Li

managementsafetypsychological distressfour-year longitudinal studyorganizational safetywork safetylongitudinal studiessocial sciencespsychologyorganizational psychologysafety sciencejob strainoccupational health psychologyoccupational safety

Longitudinal Associations of Effort and Reward at Work With Changes in Cognitive Function: Evidence From a National Study of U.S. Workers. International Archives of Occupational and Environmental Health (2024)

Megan GuardianoTimothy A. MatthewsSunny LiuOnyebuchi A. ArahJohannes SiegristJian Li

work-related stressoccupational health psychologycognitionvocational behaviorbehavioral sciencesorganizational psychologyorganizational behaviornational studycognitive sciencehuman performanceworker healthindustrial ergonomicspsychologyoccupational therapyeconomic psychologycognitive functionmotivationmental healthapplied cognitive psychologyhealthy work environments

Multiple Forms of Perceived Job Discrimination and Hypertension Risk Among Employed Women: Findings From the Sister Study. American Journal of Industrial Medicine (2024)

Matthew M. CoatesOnyebuchi A. ArahTimothy A. MatthewsDale P. SandlerChandra L. JacksonJian Li

public healthoccupational epidemiologyindustrial organizationworker healthwork-related stresshypertension riskperceived job discriminationsister studylabor relationsemployed womenhealth scienceswomen's healthoccupational medicinehealth policy

O-020 Effort-Reward Imbalance at Work and Cardiovascular Disease Mortality Among Older Workers in the United States: A Prospective Cohort Study. Occupational Medicine (2024)

Jian LiTimothy A MatthewsJohannes Siegrist

cardiovascular disease mortalitywork-related stresssport medicineunited statesmusculoskeletal disorderspublic healtholder workersageinghuman capitalhealth sciencesoccupational medicinehealth policyworker healthindustrial ergonomicsamerican studiescardiovascular diseaseoccupational therapyoccupational epidemiologymortalitywork attitudesoperations research