World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
52
Citations
11910
World Ranking
4961
National Ranking
2722

Research.com Recognitions

  • 1995 - Fellow of the American Psychological Association (APA)

Overview

John B. Jemmott is affiliated with the University of Pennsylvania in the United States. Their research primarily focuses on Medicine and Social Sciences, with significant contributions in subfields including General Health Professions, Infectious Diseases, Health, Clinical Psychology, and Epidemiology. The scientist's work spans a range of health-related concerns, particularly adolescent sexual and reproductive health and HIV/AIDS research and interventions.

Their main research topics include:

  • Adolescent Sexual and Reproductive Health
  • HIV/AIDS Research and Interventions
  • HIV, Drug Use, Sexual Risk
  • HIV-related health complications and treatments
  • Vaccine Coverage and Hesitancy
  • Sex work and related issues
  • Gender Roles and Identity Studies

Frequent coauthors collaborating with John B. Jemmott include:

  • Loretta Sweet Jemmott
  • Larry D. Icard
  • Soojong Kim
  • Terri-Ann Kelly
  • Florence Momplaisir

The scientist has published multiple articles in several venues, often contributing to interdisciplinary and clinical research. Some of the most frequent publication venues are:

  • AIDS and Behavior
  • SLEEP
  • Journal of Adolescent Health
  • PLoS ONE
  • AIDS Care

Selected recent papers by John B. Jemmott include:

  • Understanding Drivers of Coronavirus Disease 2019 Vaccine Hesitancy Among Blacks (2021), published in Clinical Infectious Diseases
  • Racial/ethnic and neighbourhood social vulnerability disparities in COVID-19 testing positivity, hospitalization, and in-hospital mortality in a large hospital system in Pennsylvania: A prospective study of electronic health records (2022), The Lancet Regional Health - Americas
  • Shape-up: Efficacy of a culturally responsive barbershop-based violence reduction intervention RCT for young Black men (2021), Psychology of Men & Masculinity
  • Assessing Structural Racism and Discrimination Along the Pre-exposure Prophylaxis Continuum: A Systematic Review (2024), AIDS and Behavior
  • Barber-Led HIV/Sexually Transmitted Infection Risk Reduction for Young African-American Men: Efficacy and Mediation in a Cluster Randomized Controlled Trial (2023), Journal of Adolescent Health

In 1995, John B. Jemmott was recognized as a Fellow of the American Psychological Association (APA).

Best Publications

  • Abstinence and Safer Sex HIV Risk-Reduction Interventions for African American Adolescents A Randomized Controlled Trial

    John B. Jemmott;Loretta Sweet Jemmott;Geoffrey T. Fong

  • Psychosocial factors, immunologic mediation, and human susceptibility to infectious diseases: how much do we know?

    John B. Jemmott;Steven E. Locke

  • The role of mother–daughter sexual risk communication in reducing sexual risk behaviors among urban adolescent females: a prospective study

    M.Katherine Hutchinson;John B. Jemmott;Loretta Sweet Jemmott;Paula Braverman

  • ACADEMIC STRESS, POWER MOTIVATION, AND DECREASE IN SECRETION RATE OF SALIVARY SECRETORY IMMUNOGLOBULIN A

    JohnB. Jemmott;Myrin Borysenko;Robert Chapman;JoanZ. Borysenko

  • Applying the theory of reasoned action to AIDS risk behavior: condom use among black women

    Loretta Sweet Jemmott;John B. Jemmott

  • Judging health status: effects of perceived prevalence and personal relevance.

    John B. Jemmott;Peter H. Ditto;Robert T. Croyle

  • Increasing condom-use intentions among sexually active black adolescent women.

    Loretta Sweet Jemmott;John B. Jemmott

  • HIV/STD risk reduction interventions for African American and Latino adolescent girls at an adolescent medicine clinic: a randomized controlled trial.

    John B. Jemmott;Loretta Sweet Jemmott;Paula K. Braverman;Geoffrey T. Fong

  • Academic stress, social support, and secretory immunoglobulin A.

    John B. Jemmott;Kim Magloire

  • Efficacy of a Theory-Based Abstinence-Only Intervention Over 24 Months: A Randomized Controlled Trial With Young Adolescents

    John B. Jemmott;Loretta S. Jemmott;Geoffrey T. Fong

  • Self-efficacy hedonistic expectancies and condom-use intentions among inner-city black adolescent women: a social cognitive approach to AIDS risk behavior.

    John B. Jemmott;Loretta Sweet Jemmott;Hazel Spears;Nicole Hewitt

  • Reducing HIV risk-associated sexual behavior among african american adolescents: Testing the generality of intervention effects

    John B. Jemmott;Loretta Sweet Jemmott;Geoffrey T. Fong;Konstance McCaffree

  • A Randomized Controlled Trial Testing an HIV Prevention Intervention for Latino Youth

    Antonia M. Villarruel;John B. Jemmott;Loretta S. Jemmott

  • Effects on sexual risk behavior and STD rate of brief HIV/STD prevention interventions for African American women in primary care settings.

    Loretta Sweet Jemmott;John B. Jemmott;Ann O’Leary

  • Predictors of Sexual Intercourse and Condom Use Intentions Among Spanish-dominant Latino Youth: A Test of the Planned Behavior Theory

    Antonia M. Villarruel;John B. Jemmott;Loretta S. Jemmott;David L. Ronis

  • From rarity to evaluative extremity: effects of prevalence information on evaluations of positive and negative characteristics.

    Peter H. Ditto;John B. Jemmott

  • Understanding Drivers of Coronavirus Disease 2019 Vaccine Hesitancy Among Blacks.

    Florence Momplaisir;Florence Momplaisir;Norrisa Haynes;Norrisa Haynes;Hervette Nkwihoreze;Maria Nelson

  • Appraising the threat of illness: a mental representational approach.

    Peter H. Ditto;John B. Jemmott Iii;John M. Darley

  • Mediation analysis of an effective sexual risk-reduction intervention for women: the importance of self-efficacy.

    Ann O'Leary;Loretta Sweet Jemmott;John B Jemmott

  • National Institute of Mental Health Multisite Eban HIV/STD Prevention Intervention for African American HIV Serodiscordant Couples: A Cluster Randomized Trial

    Nabila El-Bassel;John B. Jemmott;J. Richard Landis;Willo Pequegnat

Frequent Co-Authors

Ann O'Leary
Ann O'Leary Centers for Disease Control and Prevention
Peter H. Ditto
Peter H. Ditto University of California, Irvine
Nabila El-Bassel
Nabila El-Bassel Columbia University
David C. McClelland
David C. McClelland Boston University
Daniel Romer
Daniel Romer University of Pennsylvania
Michael E. Thase
Michael E. Thase University of Pennsylvania
Robert F. Valois
Robert F. Valois University of South Carolina
Diane M. Morrison
Diane M. Morrison University of Washington
Suzanne M. Miller
Suzanne M. Miller Fox Chase Cancer Center
Caryn Lerman
Caryn Lerman University of Southern California

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