Rita Hamad, MD, PhD

Title(s)Associate Professor, Family Community Medicine
SchoolSchool of Medicine
Address1001 Potrero Avenue
San Francisco CA 94110
ORCID ORCID Icon0000-0003-0730-4077 Additional info
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    Collapse Biography 
    Collapse Education and Training
    Harvard UniversityABChemistry
    University of California BerkeleyMPH, MSHealth & Medical Sciences
    University of California San FranciscoMDMedicine
    UCSF - Contra Costa Family Medicine ResidencyFamily Medicine
    Stanford UniversityPhDEpidemiology
    University of California San FranciscoDiversity, Equity, and Inclusion Champion Training
    Collapse Awards and Honors
    UCSF2018  - 2021Irene Perstein Award
    UCSF2018  - 2020Hellman Fellowship
    National Academy of Medicine2020  - 2022James C. Puffer, M.D./American Board of Family Medicine Fellowship

    Collapse Overview 
    Collapse Overview
    Dr. Rita Hamad is a social epidemiologist and family physician in the Philip R. Lee Institute for Health Policy Studies and the Department of Family & Community Medicine at UCSF. She is the director of the Social Policies for Health Equity Research Program (https://sphere.ucsf.edu). Her research focuses on the pathways linking social factors like poverty and education with racial and socioeconomic disparities in health across the life course. In particular, she studies the health effects of social and economic policies using interdisciplinary quasi-experimental methods to generate actionable evidence to inform policymaking.

    Dr. Hamad is the Associate Director of the Center for Health Equity. She is also a member of the steering committee of the UCSF Population Health Data Initiative, serving as the Faculty Lead for the development of data infrastructure to advance population health research on campus. She previously served as the Policy Lead of the UCSF Preterm Birth Initiative, spearheading an agenda to reduce racial and socioeconomic disparities in preterm birth by addressing its upstream determinants. She also serves on (and is the incoming co-Chair of) the Communications Committee of the Interdisciplinary Association of Population Health Sciences. Dr. Hamad mentors trainees at all levels in population health and health equity research, and lectures in several courses about the effects of social policies on health inequities. She saw patients for 10 years in safety net clinics throughout the San Francisco Bay Area, although she is no longer a practicing physician.
    Collapse In The News

    Collapse Research 
    Collapse Research Activities and Funding
    The Impacts of County-Level COVID-19-Related Public Health and Social Policies on Racial/Ethnic and Socioeconomic Disparities in Mental Health and Healthcare Utilization
    NIH U01MH129968Sep 17, 2021 - Jul 31, 2026
    Role: Principal Investigator
    Leveraging a Natural Experiment to Estimate the Effects of School Racial Segregation on Cardiovascular Risk Factors among Youth and Young Adults
    NIH R01HL151638Aug 1, 2020 - Jul 31, 2024
    Role: Principal Investigator
    Exploring perceptions and use of EITC in California using a mixed-methods approach
    Robert Wood Johnson Foundation Nov 1, 2019 - Oct 31, 2021
    Role: Subaward Principal Investigator
    Using a Natural Experiment to Evaluate the Long-Term Effects of Neighborhood Deprivation on Alzheimer's Disease and Vascular Risk Factors
    NIH R01AG063385May 1, 2019 - Feb 29, 2024
    Role: Principal Investigator

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    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. The Role of Health Care Systems in Bolstering the Social Safety Net to Address Health Inequities in the Wake of the COVID-19 Pandemic. JAMA. 2022 Jun 15. Hamad R, Galea S. PMID: 35704339.
      View in: PubMed   Mentions:
    2. Neighbourhood socioeconomic disadvantage and psychiatric disorders among refugees: a population-based, quasi-experimental study in Denmark. Soc Psychiatry Psychiatr Epidemiol. 2022 May 21. Foverskov E, White JS, Norredam M, Frøslev T, Kim MH, Glymour MM, Pedersen L, Sørensen HT, Hamad R. PMID: 35597890.
      View in: PubMed   Mentions:
    3. School Racial Segregation and the Health of Black Children. Pediatrics. 2022 05 01; 149(5). Wang G, Schwartz GL, Kim MH, White JS, Glymour MM, Reardon S, Kershaw KN, Gomez SL, Inamdar PP, Hamad R. PMID: 35434734.
      View in: PubMed   Mentions:
    4. Characterizing the Landscape of Safety Net Programs and Policies in California during the COVID-19 Pandemic. Int J Environ Res Public Health. 2022 02 26; 19(5). Jackson KE, Yeb J, Gosliner W, Fernald LCH, Hamad R. PMID: 35270441; PMCID: PMC8910353.
      View in: PubMed   Mentions:
    5. Leveraging the Urgency of Economic Disparities Driven by the COVID-19 Pandemic to Strengthen the U.S. Safety Net. NAM Perspect. 2022; 2022. Hamad R, Ruffini K, Bitler M, Currie J. PMID: 35402855; PMCID: PMC8970225.
      View in: PubMed   Mentions:
    6. Explaining the Variance in Cardiovascular Disease Risk Factors: A Comparison of Demographic, Socioeconomic, and Genetic Predictors. Epidemiology. 2022 01 01; 33(1):25-33. Hamad R, Glymour MM, Calmasini C, Nguyen TT, Walter S, Rehkopf DH. PMID: 34799480; PMCID: PMC8633061.
      View in: PubMed   Mentions:
    7. Paid Leave Policies Can Help Keep Businesses Open And Food On Workers’ Tables. Health Affairs Blog. 2021. Raifman JR, Raderman W, Skinner A, Hamad R. View Publication.
    8. Racial Differences in the Association between the U.S. Earned Income Tax Credit and Birthweight. Womens Health Issues. 2022 Jan-Feb; 32(1):26-32. Batra A, Karasek D, Hamad R. PMID: 34654624; PMCID: PMC9037785.
      View in: PubMed   Mentions:    Fields:    
    9. Paid Family Leave and Mental Health in the U.S.: A Quasi-Experimental Study of State Policies. Am J Prev Med. 2021 08; 61(2):182-191. Irish AM, White JS, Modrek S, Hamad R. PMID: 34294424.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    10. Moving Upstream: The Importance of Examining Policies to Address Health Disparities. JAMA Pediatr. 2021 06 01; 175(6):563-564. Seligman HK, Hamad R. PMID: 33779711; PMCID: PMC8184588.
      View in: PubMed   Mentions:    Fields:    
    11. How does income affect mental health and health behaviours? A quasi-experimental study of the earned income tax credit. J Epidemiol Community Health. 2021 10; 75(10):929-935. Shields-Zeeman L, Collin DF, Batra A, Hamad R. PMID: 33990398.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    12. The effects of state earned income tax credits on mental health and health behaviors: A quasi-experimental study. Soc Sci Med. 2021 05; 276:113274. Collin DF, Shields-Zeeman LS, Batra A, White JS, Tong M, Hamad R. PMID: 33740636; PMCID: PMC8058316.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansPHPublic Health
    13. Short-term effects of the earned income tax credit on children's physical and mental health. Ann Epidemiol. 2021 06; 58:15-21. Batra A, Hamad R. PMID: 33621630.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. The Revised WIC Food Package and Child Development: A Quasi-Experimental Study. Pediatrics. 2021 02; 147(2). Guan A, Hamad R, Batra A, Bush NR, Tylavsky FA, LeWinn KZ. PMID: 33495370; PMCID: PMC7906068.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    15. Association of US state policy orientation with adverse birth outcomes: a longitudinal analysis. J Epidemiol Community Health. 2021 Jan 06. Riley AR, Collin D, Grumbach JM, Torres JM, Hamad R. PMID: 33408163; PMCID: PMC8257762.
      View in: PubMed   Mentions:    Fields:    
    16. Identifying Novel Predictors of State Legislative Action to Address Obesity. J Public Health Manag Pract. 2021 Jan/Feb; 27(1):E9-E18. Arons A, Pomeranz J, Hamad R. PMID: 31415263; PMCID: PMC7012724.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    17. Natural and Unnatural Experiments in Epidemiology. Epidemiology. 2020 11; 31(6):768-770. Hamad R. PMID: 33003148; PMCID: PMC7668241.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    18. Association of Neighborhood Disadvantage With Cardiovascular Risk Factors and Events Among Refugees in Denmark. JAMA Netw Open. 2020 08 03; 3(8):e2014196. Hamad R, Öztürk B, Foverskov E, Pedersen L, Sørensen HT, Bøtker HE, White JS. PMID: 32821923; PMCID: PMC7442927.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    19. Association of Low Socioeconomic Status With Premature Coronary Heart Disease in US Adults. JAMA Cardiol. 2020 08 01; 5(8):899-908. Hamad R, Penko J, Kazi DS, Coxson P, Guzman D, Wei PC, Mason A, Wang EA, Goldman L, Fiscella K, Bibbins-Domingo K. PMID: 32459344; PMCID: PMC7254448.
      View in: PubMed   Mentions: 7     Fields:    
    20. Short-term effects of the earned income tax credit on mental health and health behaviors. Prev Med. 2020 10; 139:106223. Collin DF, Shields-Zeeman LS, Batra A, Vable AM, Rehkopf DH, Machen L, Hamad R. PMID: 32735990; PMCID: PMC7494578.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    21. Geographic and Longitudinal Trends in Media Framing of Obesity in the United States. Obesity (Silver Spring). 2020 07; 28(7):1351-1357. Chiang J, Arons A, Pomeranz JL, Siddiqi A, Hamad R. PMID: 32475076; PMCID: PMC7311269.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    22. Neighborhood Deprivation and Mental Health Among Immigrants to Sweden. Epidemiology. 2020 05; 31(3):e25-e27. Raphael E, White JS, Li X, Cederin K, Glymour MM, Sundquist K, Sundquist J, Hamad R. PMID: 31977591; PMCID: PMC7138696.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    23. The effect of California's paid family leave policy on parent health: A quasi-experimental study. Soc Sci Med. 2020 04; 251:112915. Lee BC, Modrek S, White JS, Batra A, Collin DF, Hamad R. PMID: 32179364; PMCID: PMC7104658.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    24. Cross-sectional analysis of place-based and racial disparities in hospitalisation rates by disease category in California in 2001 and 2011. BMJ Open. 2019 10 28; 9(10):e031556. Raphael E, Gaynes R, Hamad R. PMID: 31662392; PMCID: PMC6830629.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    25. The short-term effects of the earned income tax credit on health care expenditures among US adults. Health Serv Res. 2019 12; 54(6):1295-1304. Hamad R, Niedzwiecki MJ. PMID: 31566732; PMCID: PMC6863225.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    26. Disentangling the Effects of Socioeconomic Factors on Outcomes Among Patients With Heart Failure. JACC Heart Fail. 2019 09; 7(9):756-758. Hlatky MA, Hamad R. PMID: 31466672.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. Association of Revised WIC Food Package With Perinatal and Birth Outcomes: A Quasi-Experimental Study. JAMA Pediatr. 2019 Sep 01; 173(9):845-852. Hamad R, Collin DF, Baer RJ, Jelliffe-Pawlowski LL. PMID: 31260072; PMCID: PMC6604113.
      View in: PubMed   Mentions: 6     Fields:    
    28. The Impact of the Revised WIC Food Package on Maternal Nutrition During Pregnancy and Postpartum. Am J Epidemiol. 2019 08 01; 188(8):1493-1502. Hamad R, Batra A, Karasek D, LeWinn KZ, Bush NR, Davis RL, Tylavsky FA. PMID: 31094428; PMCID: PMC6670068.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    29. Educational attainment and cardiovascular disease in the United States: A quasi-experimental instrumental variables analysis. PLoS Med. 2019 06; 16(6):e1002834. Hamad R, Nguyen TT, Bhattacharya J, Glymour MM, Rehkopf DH. PMID: 31237869; PMCID: PMC6592509.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    30. Quality and quantity: The association of state-level educational policies with later life cardiovascular disease. Prev Med. 2019 09; 126:105750. Hamad R, Nguyen TT, Glymour MM, Vable A, Manly JJ, Rehkopf DH. PMID: 31195021; PMCID: PMC6697595.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Differential associations between state-level educational quality and cardiovascular health by race: Early-life exposures and late-life health. SSM Popul Health. 2019 Aug; 8:100418. Vable AM, Nguyen TT, Rehkopf D, Glymour MM, Hamad R. PMID: 31249857; PMCID: PMC6586990.
      View in: PubMed   Mentions: 3  
    32. The association of county-level socioeconomic factors with individual tobacco and alcohol use: a longitudinal study of U.S. adults. BMC Public Health. 2019 Apr 11; 19(1):390. Hamad R, Brown DM, Basu S. PMID: 30971249; PMCID: PMC6458796.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    33. Comparing demographic and health characteristics of new and existing SNAP recipients: application of a machine learning algorithm. Am J Clin Nutr. 2019 04 01; 109(4):1164-1172. Hamad R, Templeton ZS, Schoemaker L, Zhao M, Bhattacharya J. PMID: 30949659; PMCID: PMC6462432.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    34. Estimating the Short-Term Effects of the Earned Income Tax Credit on Child Health. Am J Epidemiol. 2018 12 01; 187(12):2633-2641. Hamad R, Collin DF, Rehkopf DH. PMID: 30188968; PMCID: PMC6269248.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    35. Paid Family Leave Effects on Breastfeeding: A Quasi-Experimental Study of US Policies. Am J Public Health. 2019 01; 109(1):164-166. Hamad R, Modrek S, White JS. PMID: 30359107; PMCID: PMC6301394.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    36. Mother's education and late-life disparities in memory and dementia risk among US military veterans and non-veterans. J Epidemiol Community Health. 2018 12; 72(12):1162-1167. Vable AM, Eng CW, Mayeda ER, Basu S, Marden JR, Hamad R, Glymour MM. PMID: 30082424; PMCID: PMC6226315.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    37. How and why studies disagree about the effects of education on health: A systematic review and meta-analysis of studies of compulsory schooling laws. Soc Sci Med. 2018 09; 212:168-178. Hamad R, Elser H, Tran DC, Rehkopf DH, Goodman SN. PMID: 30036767; PMCID: PMC6209316.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    38. Causal Thinking as a Critical Tool for Eliminating Social Inequalities in Health. Am J Public Health. 2018 05; 108(5):623. Glymour MM, Hamad R. PMID: 29617596; PMCID: PMC5888079.
      View in: PubMed   Mentions: 7     Fields:    
    39. Consolidated state political party control and the enactment of obesity-related policies in the United States. Prev Med. 2017 Dec; 105:397-403. Pomeranz JL, Siddiqi A, Bolanos GJ, Shor JA, Hamad R. PMID: 28865810; PMCID: PMC5653399.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansPHPublic Health
    40. Predicting later life health status and mortality using state-level socioeconomic characteristics in early life. SSM Popul Health. 2016 Dec; 2:269-276. Hamad R, Rehkopf DH, Kuan KY, Cullen MR. PMID: 27713921; PMCID: PMC5047283.
      View in: PubMed   Mentions: 3  
    41. Racial and Socioeconomic Variation in Genetic Markers of Telomere Length: A Cross-Sectional Study of U.S. Older Adults. EBioMedicine. 2016 Sep; 11:296-301. Hamad R, Tuljapurkar S, Rehkopf DH. PMID: 27566956; PMCID: PMC5049995.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansPHPublic Health
    42. Telomere length and health outcomes: A two-sample genetic instrumental variables analysis. Exp Gerontol. 2016 09; 82:88-94. Hamad R, Walter S, Rehkopf DH. PMID: 27321645; PMCID: PMC4969151.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCells
    43. Changing national guidelines is not enough: the impact of 1990 IOM recommendations on gestational weight gain among US women. Int J Obes (Lond). 2016 10; 40(10):1529-1534. Hamad R, Cohen AK, Rehkopf DH. PMID: 27200502; PMCID: PMC5050079.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    44. Long-term effects of neighbourhood deprivation on diabetes risk: quasi-experimental evidence from a refugee dispersal policy in Sweden. Lancet Diabetes Endocrinol. 2016 06; 4(6):517-24. White JS, Hamad R, Li X, Basu S, Ohlsson H, Sundquist J, Sundquist K. PMID: 27131930; PMCID: PMC4875844.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    45. Hamad and Rehkopf Respond to "Income and Health: Financial Credits as Instruments". Am J Epidemiol. 2016 05 01; 183(9):790-1. Hamad R, Rehkopf DH. PMID: 27056960; PMCID: PMC4851994.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    46. Poverty and Child Development: A Longitudinal Study of the Impact of the Earned Income Tax Credit. Am J Epidemiol. 2016 05 01; 183(9):775-84. Hamad R, Rehkopf DH. PMID: 27056961; PMCID: PMC4851995.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    47. The EARN-Health Trial: protocol for a randomised controlled trial to identify health effects of a financial savings programme among low-income US adults. BMJ Open. 2015 Oct 06; 5(10):e009366. Basu S, Hamad R, White JS, Modrek S, Rehkopf DH, Cullen MR. PMID: 26443663; PMCID: PMC4606428.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    48. The Effects of Job Insecurity on Health Care Utilization: Findings from a Panel of U.S. Workers. Health Serv Res. 2016 06; 51(3):1052-73. Hamad R, Modrek S, Cullen MR. PMID: 26416343; PMCID: PMC4874827.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    49. Microcredit participation and women's health: results from a cross-sectional study in Peru. Int J Equity Health. 2015 Aug 05; 14:62. Hamad R, Fernald LC. PMID: 26242582; PMCID: PMC4523998.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    50. Poverty, Pregnancy, and Birth Outcomes: A Study of the Earned Income Tax Credit. Paediatr Perinat Epidemiol. 2015 Sep; 29(5):444-52. Hamad R, Rehkopf DH. PMID: 26212041; PMCID: PMC4536129.
      View in: PubMed   Mentions: 18     Fields:    Translation:HumansPHPublic Health
    51. Using "big data" to capture overall health status: properties and predictive value of a claims-based health risk score. PLoS One. 2015; 10(5):e0126054. Hamad R, Modrek S, Kubo J, Goldstein BA, Cullen MR. PMID: 25951622; PMCID: PMC4423900.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    52. Psychological well-being during the great recession: changes in mental health care utilization in an occupational cohort. Am J Public Health. 2015 Feb; 105(2):304-10. Modrek S, Hamad R, Cullen MR. PMID: 25521885; PMCID: PMC4318328.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    53. Large-scale automated analysis of news media: a novel computational method for obesity policy research. Obesity (Silver Spring). 2015 Feb; 23(2):296-300. Hamad R, Pomeranz JL, Siddiqi A, Basu S. PMID: 25522013; PMCID: PMC4449277.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    54. Microcredit participation and child health: results from a cross-sectional study in Peru. J Epidemiol Community Health. 2014 Dec; 68(12):1175-81. Moseson H, Hamad R, Fernald L. PMID: 25180005.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    55. Health education for microcredit clients in Peru: a randomized controlled trial. BMC Public Health. 2011 Jan 24; 11(1):51. Hamad R, Fernald LCh, Karlan DS. PMID: 21261988; PMCID: PMC3037866.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    56. Microcredit participation and nutrition outcomes among women in Peru. J Epidemiol Community Health. 2012 Jun; 66(6):e1. Hamad R, Fernald LC. PMID: 21051776.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    57. Small individual loans and mental health: a randomized controlled trial among South African adults. BMC Public Health. 2008 Dec 16; 8:409. Fernald LC, Hamad R, Karlan D, Ozer EJ, Zinman J. PMID: 19087316; PMCID: PMC2647927.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    58. Social and economic correlates of depressive symptoms and perceived stress in South African adults. J Epidemiol Community Health. 2008 Jun; 62(6):538-44. Hamad R, Fernald LC, Karlan DS, Zinman J. PMID: 18477753.
      View in: PubMed   Mentions: 63     Fields:    Translation:Humans
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