World's Best Scientists 2026 revealed!
Theo G. M. Sandfort

Theo G. M. Sandfort

D-Index & Metrics

Psychology

D-Index
59
Citations
11493
World Ranking
3734
National Ranking
2091

Theo G. M. Sandfort publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Theo G. M. Sandfort sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 215 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Theo G. M. Sandfort D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Theo G. M. Sandfort sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 59 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Research.com Recognitions

  • 2003 - Fellow of the American Psychological Association (APA)

Overview

Theo G. M. Sandfort is affiliated with Columbia University in the United States and has a research focus spanning medicine, social sciences, and health professions. Their work primarily centers on infectious diseases, sociology and political science, social psychology, epidemiology, and general health professions. A significant portion of their research involves HIV/AIDS, LGBTQ health, and related public health concerns.

Theo Sandfort's research contributions address various intersecting themes such as HIV/AIDS research and interventions, LGBTQ health, identity and policy, sexual risk behavior related to HIV and drug use, adolescent sexual and reproductive health, sex work, and African sexualities and LGBTQ+ issues.

Recent publications include:

  • "Experiences of minority stress among gay, bisexual, and other men who have sex with men (GBMSM) in Nigeria, Africa: The intersection of mental health, substance use, and HIV sexual risk behavior" (2020, Global Public Health)
  • "HIV incidence in a multinational cohort of men and transgender women who have sex with men in sub-Saharan Africa: Findings from HPTN 075" (2021, PLoS ONE)
  • "Types of Group Sex and Their Association with Different Sexual Risk Behaviors Among HIV-Negative Men Who Have Sex with Men" (2020, Archives of Sexual Behavior)
  • "Validation of depressive symptoms, social support, and minority stress scales among gay, bisexual, and other men who have with men (GBMSM) in Nigeria, Africa: a mixed methods approach" (2020, BMC Public Health)
  • "The feasibility of recruiting and retaining men who have sex with men and transgender women in a multinational prospective HIV prevention research cohort study in sub-Saharan Africa (HPTN 075)" (2020, Journal of the International AIDS Society)

Their work has appeared most frequently in the following publication venues:

  • AIDS and Behavior (11 publications)
  • Archives of Sexual Behavior (3 publications)
  • JAIDS Journal of Acquired Immune Deficiency Syndromes (3 publications)
  • BMC Public Health (2 publications)
  • LGBT Health (2 publications)

Frequent collaborators include Erica L. Hamilton, Ravindre Panchia, Adedotun Ogunbajo, Vanessa Cummings, and Sufia Dadabhai.

Theo Sandfort has contributed to book literature, including a publication through Springer International Publishing titled Male Same-sex Sexuality and HIV in Sub-Saharan Africa (2021).

In recognition of their professional contributions, they were named a Fellow of the American Psychological Association (APA) in 2003.

Best Publications

  • Same-sex sexual behavior and psychiatric disorders: findings from the Netherlands Mental Health Survey and Incidence Study (NEMESIS)

    Theo G. M. Sandfort;Ron de Graaf;Rob V. Bijl;Paul Schnabel

  • Evaluating the Impact of Immigration Policies on Health Status Among Undocumented Immigrants: A Systematic Review

    Omar Martinez;Elwin Wu;Theo Sandfort;Brian Dodge

  • Long-term health correlates of timing of sexual debut: results from a national US study.

    Theo G.M. Sandfort;Mark Orr;Jennifer S Hirsch;John S. Santelli

  • Sexual Orientation and Gender Identity/Expression Related Peer Victimization in Adolescence: A Systematic Review of Associated Psychosocial and Health Outcomes

    Kate L. Collier;Gabriël van Beusekom;Henny M. W. Bos;Theo G. M. Sandfort

  • Sexual orientation and mental and physical health status: findings from a Dutch population survey.

    Theo G.M. Sandfort;Floor Bakker;François G. Schellevis;Ine Vanwesenbeeck

  • Gender Nonconformity, Homophobia, and Mental Distress in Latino Gay and Bisexual Men

    Theo G. M. Sandfort;Rita M. Melendez;Rafael M. Diaz

  • Attitudes toward Bisexual Men and Women among a Nationally Representative Probability Sample of Adults in the United States.

    Brian Dodge;Debby Herbenick;M Reuel Friedman;Vanessa Schick

  • A Meta-Analysis of the Relations Between Three Types of Peer Norms and Adolescent Sexual Behavior

    van de Bongardt D;Reitz E;Sandfort T;Deković M

  • Same-Sex Attraction, Social Relationships, Psychosocial Functioning, and School Performance in Early Adolescence

    Henny M. W. Bos;Theo G. M. Sandfort;Eddy H. de Bruyn;Esther M. Hakvoort

  • Sexual compulsivity among heterosexual college students.

    Brian Dodge;Michael Reece;Sara L. Cole;Theo G. M. Sandfort

  • Still a hard-to-reach population? Using social media to recruit Latino gay couples for an HIV intervention adaptation study.

    Omar Martinez;Elwin Wu;Andrew Z Shultz;Jonathan Capote

  • Relationship Trajectories and Psychological Well-Being Among Sexual Minority Youth

    José A. Bauermeister;Michelle Marie Johns;Theo G. M. Sandfort;Anna Eisenberg

  • Minority stress, experience of parenthood and child adjustment in lesbian families

    H. M. W. Bos;F. van Balen;D. C. van den Boom;Th. G. M. Sandfort

  • Suicidality and Sexual Orientation: Differences Between Men and Women in a General Population-Based Sample From The Netherlands

    Ron de Graaf;Theo G. M. Sandfort;Margreet ten Have

  • Children's Gender Identity in Lesbian and Heterosexual Two-Parent Families.

    Henny Bos;Theo G. M. Sandfort

  • Beyond the Down Low: sexual risk, protection, and disclosure among at-risk Black men who have sex with both men and women (MSMW).

    Brian Dodge;William L. Jeffries;Theo G. M. Sandfort

  • A review of mental health research on bisexual individuals when compared to homosexual and heterosexual individuals.

    Brian Dodge;Theo G. M. Sandfort

  • Religion and spirituality among bisexual Black men in the USA.

    William L. Jeffries;Brian Dodge;Theo G. M. Sandfort

  • Same-sex sexuality and quality of life: findings from the Netherlands Mental Health Survey and Incidence Study.

    Theodorus G. M. Sandfort;Ron de Graaf;Rob V. Bijl

  • Orogenital sex and the transmission of HIV among homosexual men.

    Keet Ip;Albrecht van Lent N;Sandfort Tg;Coutinho Ra

  • Sexual problems in gay men: an overview of empirical research.

    Sandfort Tg;de Keizer M

  • Sexuality and Gender in Postcommunist Eastern Europe and Russia

    Edmond J Coleman;Theo Sandfort

Frequent Co-Authors

Henny M. W. Bos
Henny M. W. Bos University of Amsterdam
Brian Dodge
Brian Dodge Indiana University
Joanne E. Mantell
Joanne E. Mantell Columbia University
John de Wit
John de Wit Utrecht University
Elwin Wu
Elwin Wu Columbia University
Alex Carballo-Diéguez
Alex Carballo-Diéguez Columbia University
Scott D. Rhodes
Scott D. Rhodes Wake Forest University
Ine Vanwesenbeeck
Ine Vanwesenbeeck Utrecht University
Geertjan Overbeek
Geertjan Overbeek University of Amsterdam
Wolfgang Stroebe
Wolfgang Stroebe University of Groningen

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