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Duncan MacKellar

Research Profile

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Julia E Hood; Peter Loeto; Duncan MacKellar; Boingotlo Mosiakgabo; Rob Nelson; Innocentia Puso; Jan Raats; Bangwato Sikwa; Anne Spaulding; Mary Grace Alwano; Blessed Monyatsi
Client characteristics and gender-specific correlates of testing HIV positive: a comparison of standalone center versus mobile outreach HIV testing and counseling in Botswana.
Andrew C Voetsch; Trista A Bingham; Amy J Drake; Amy Lansky; Duncan MacKellar; Alexandra M Oster; Patrick S SULLIVAN
Comparison of demographic and behavioral characteristics of men who have sex with men by enrollment venue type in the National HIV Behavioral Surveillance System.
Stephanie R Bialek; Trista A Bingham; Vaughn Barry; Stephanie Behel; Beth P Bell; Wesley L Ford; Duncan MacKellar; Willi McFarland; Gina M Secura; Douglas Shehan; Hanne Thiede; Linda A Valleroy; David Celentano
Seroprevalence and correlates of hepatitis a among HIV-negative American men who have sex with men.

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2012: Julia E Hood; Peter Loeto; Duncan MacKellar; Boingotlo Mosiakgabo; Rob Nelson; Innocentia Puso; Jan Raats; Bangwato Sikwa; Anne Spaulding; Mary Grace Alwano; Blessed Monyatsi
Client characteristics and gender-specific correlates of testing HIV positive: a comparison of standalone center versus mobile outreach HIV testing and counseling in Botswana.
AIDS and behavior 2012;16(7):1902-16.
2012: Andrew C Voetsch; Trista A Bingham; Amy J Drake; Amy Lansky; Duncan MacKellar; Alexandra M Oster; Patrick S SULLIVAN
Comparison of demographic and behavioral characteristics of men who have sex with men by enrollment venue type in the National HIV Behavioral Surveillance System.
Sexually transmitted diseases 2012;39(3):229-35.
2011: Stephanie R Bialek; Trista A Bingham; Vaughn Barry; Stephanie Behel; Beth P Bell; Wesley L Ford; Duncan MacKellar; Willi McFarland; Gina M Secura; Douglas Shehan; Hanne Thiede; Linda A Valleroy; David Celentano
Seroprevalence and correlates of hepatitis a among HIV-negative American men who have sex with men.
Sexual health 2011;8(3):343-8.
2011: Duncan MacKellar; Karen Samuelsen; Gina M Secura; Douglas Shehan; Hanne Thiede; Lucia V Torian; Linda A Valleroy; Christopher Curtis Whalen; Stephanie Behel; Trista A Bingham; David Celentano; Su-I Hou; Beryl A Koblin; Marlene LaLota
HIV/AIDS complacency and HIV infection among young men who have sex with men, and the race-specific influence of underlying HAART beliefs.
Sexually transmitted diseases 2011;38(8):755-63.
2011: Duncan MacKellar; Karen Samuelsen; Travis Sanchez; Amanda Smith; Patrick S SULLIVAN; Christopher Curtis Whalen; Damian Denson; Su-I Hou; Amy Lansky
Reasons for not HIV testing, testing intentions, and potential use of an over-the-counter rapid HIV test in an internet sample of men who have sex with men who have never tested for HIV.
Sexually transmitted diseases 2011;38(5):419-28.
2011: Duncan MacKellar; Su-I Hou; Christopher Curtis Whalen; Karen Samuelsen; Linda A Valleroy; Gina M Secura; Stephanie Behel; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Douglas Shehan; Hanne Thiede; Lucia V Torian
A plausible causal model of HAART-efficacy beliefs, HIV/AIDS complacency, and HIV-acquisition risk behavior among young men who have sex with men.
AIDS and behavior 2011;15(4):788-804.
2010: Frangiscos Sifakis; John B Hylton; Colin Flynn; Liza Solomon; Duncan MacKellar; Linda A Valleroy; David Celentano
Prevalence of HIV infection and prior HIV testing among young men who have sex with men. The Baltimore young men's survey.
AIDS and behavior 2010;14(4):904-12.
2010: Pragna Patel; Duncan MacKellar; Pat Simmons; Apurva Uniyal; Kathleen Gallagher; Berry Bennett; Timothy J Sullivan; Alexis Kowalski; Monica M Parker; Marlene LaLota; Peter R Kerndt; Sullivan Patrick
Detecting acute human immunodeficiency virus infection using 3 different screening immunoassays and nucleic acid amplification testing for human immunodeficiency virus RNA, 2006-2008.
Archives of internal medicine 2010;170(1):66-74.
2009: Laura G Wesolowski; Steven F Ethridge; Eugene G Martin; Evan M Cadoff; Duncan MacKellar
Rapid human immunodeficiency virus test quality assurance practices and outcomes among testing sites affiliated with 17 public health departments.
Journal of clinical microbiology 2009;47(10):3333-5.
2009: L G Wesolowski; T Sanchez; Duncan MacKellar; B M Branson; S F Ethridge; Niel T Constantine; F Ketema; Patrick S SULLIVAN
Evaluation of oral fluid enzyme immunoassay for confirmation of a positive rapid human immunodeficiency virus test result.
Clinical and vaccine immunology : CVI 2009;16(7):1091-2.
2009: Nina T Harawa; Trista A Bingham; Qiana R Butler; Karen S Dalton; William E Cunningham; Stephanie Behel; Duncan MacKellar
Using arrest charge to screen for undiagnosed HIV infection among new arrestees: a study in Los Angeles County.
Journal of correctional health care : the official journal of the National Commission on Correctional Health Care 2009;15(2):105-17.
2009: Duncan MacKellar; David Miller; Nikhil Gopal Prachand; Ekow Sey; Stephanie Behel; Trista A Bingham; Brian Boyett; Nina T Harawa; Su-I Hou; Carol Ciesielski
Exposure to HIV partner counseling and referral services and notification of sexual partners among persons recently diagnosed with HIV.
Sexually transmitted diseases 2009;36(3):170-7.
2008: Stephanie K Behel; Duncan MacKellar; Linda A Valleroy; Gina M Secura; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Douglas Shehan; Lucia V Torian
HIV prevention services received at health care and HIV test providers by young men who have sex with men: an examination of racial disparities.
Journal of urban health : bulletin of the New York Academy of Medicine 2008;85(5):727-43.
2008: Trista A Bingham; Gina M Secura; Stephanie Behel; J Gordon Bunch; Paul A Simon; Duncan MacKellar
HIV risk factors reported by two samples of male bathhouse attendees in Los Angeles, California, 2001-2002.
Sexually transmitted diseases 2008;35(6):631-6.
2008: Cindy M Weinbaum; Rob Lyerla; Duncan MacKellar; Linda A Valleroy; Gina M Secura; Stephanie Behel; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Douglas Shehan; Hanne Thiede; Lucia V Torian
The Young Men's Survey phase II: hepatitis B immunization and infection among young men who have sex with men.
American journal of public health 2008;98(5):839-45.
2008: Laura G Wesolowski; Duncan MacKellar; Steven F Ethridge; Julia H Zhu; Sherry Owen; Sullivan Patrick
Repeat confirmatory testing for persons with discordant whole blood and oral fluid rapid HIV test results: findings from post marketing surveillance.
PloS one 2008;3(2):e1524.
2007: Frangiscos Sifakis; John B Hylton; Colin Flynn; Liza Solomon; Duncan MacKellar; Linda A Valleroy; David Celentano
Racial disparities in HIV incidence among young men who have sex with men: the Baltimore Young Men's Survey.
Journal of acquired immune deficiency syndromes (1999) 2007;46(3):343-8.
2007: Duncan MacKellar; Linda A Valleroy; Gina M Secura; Stephanie Behel; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Douglas Shehan; Hanne Thiede; Lucia V Torian
Perceptions of lifetime risk and actual risk for acquiring HIV among young men who have sex with men.
AIDS and behavior 2007;11(2):263-70.
2007: Duncan MacKellar; Kathleen M Gallagher; Teresa Finlayson; Travis H Sanchez; Amy Lansky; Sullivan Patrick
Surveillance of HIV risk and prevention behaviors of men who have sex with men--a national application of venue-based, time-space sampling.
Public health reports (Washington, D.C. : 1974) 2007;122 Suppl 1():39-47.
2007: Krishna Jafa; Pragna Patel; Duncan MacKellar; Sullivan Patrick; Kevin P Delaney; Tracy L Sides; Alexandra P Newman; Sindy M Paul; Evan M Cadoff; Eugene G Martin; Patrick A Keenan; Bernard M Branson
Investigation of false positive results with an oral fluid rapid HIV-1/2 antibody test.
PloS one 2007;2(1):e185.
2006: Beryl A Koblin; Lucia V Torian; G Xu; Vincent Guilin; H Makki; Duncan MacKellar; Linda A Valleroy
Violence and HIV-related risk among young men who have sex with men.
AIDS care 2006;18(8):961-7.
2006: Laura G Wesolowski; Duncan MacKellar; Shelley N Facente; Teri Dowling; Steven F Ethridge; Julia H Zhu; Sullivan Patrick
Post-marketing surveillance of OraQuick whole blood and oral fluid rapid HIV testing.
AIDS (London, England) 2006;20(12):1661-6.
2006: Duncan MacKellar; Linda A Valleroy; Stephanie Behel; Gina M Secura; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Douglas Shehan; Hanne Thiede; Lucia V Torian
Unintentional HIV exposures from young men who have sex with men who disclose being HIV-negative.
AIDS (London, England) 2006;20(12):1637-44.
2006: Amy Lansky; Duncan MacKellar; Kathleen M Gallagher; Lillian S Lin; Sullivan Patrick; Ida M Onorato
Evaluation of the new National HIV Behavioral Surveillance System (NHBS) is imperative.
Sexually transmitted diseases 2006;33(4):272-3; author reply 274-5.
2006: David Celentano; Linda A Valleroy; Frangiscos Sifakis; Duncan MacKellar; John B Hylton; Hanne Thiede; Willi McFarland; Douglas Shehan; Susan R Stoyanoff; Marlene LaLota; Beryl A Koblin; Mitchell H Katz; Lucia V Torian
Associations between substance use and sexual risk among very young men who have sex with men.
Sexually transmitted diseases 2006;33(4):265-71.
2006: Duncan MacKellar; Linda A Valleroy; John E Anderson; Stephanie Behel; Gina M Secura; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Douglas Shehan; Hanne Thiede; Lucia V Torian; Robert S Janssen
Recent HIV testing among young men who have sex with men: correlates, contexts, and HIV seroconversion.
Sexually transmitted diseases 2006;33(3):183-92.
2006: Don Operario; Kyung-Hee Choi; Priscilla Lee Chu; Willi McFarland; Gina M Secura; Stephanie Behel; Duncan MacKellar; Linda A Valleroy
Prevalence and correlates of substance use among young Asian Pacific Islander men who have sex with men.
Prevention science : the official journal of the Society for Prevention Research 2006;7(1):19-29.
2005: Tri D Do; Sanny Chen; Willi McFarland; Gina M Secura; Stephanie Behel; Duncan MacKellar; Linda A Valleroy; Kyung-Hee Cho
HIV testing patterns and unrecognized HIV infection among young Asian and Pacific Islander men who have sex with men in San Francisco.
AIDS education and prevention : official publication of the International Society for AIDS Education 2005;17(6):540-54.
2005: Hayley D Mark; Frangiscos Sifakis; John B Hylton; David Celentano; Duncan MacKellar; Linda A Valleroy; Jonathan M Zenilman
Sex with women as a risk factor for herpes simplex virus type 2 among young men who have sex with men in Baltimore.
Sexually transmitted diseases 2005;32(11):691-5.
2005: Kyung-Hee Choi; Don Operario; Steven E Gregorich; Willi McFarland; Duncan MacKellar; Linda A Valleroy
Substance use, substance choice, and unprotected anal intercourse among young Asian American and Pacific Islander men who have sex with men.
AIDS education and prevention : official publication of the International Society for AIDS Education 2005;17(5):418-29.
2005: Duncan MacKellar; Linda A Valleroy; Gina M Secura; Stephanie Behel; Trista A Bingham; David Celentano; Beryl A Koblin; Marlene LaLota; Willi McFarland; Douglas Shehan; Hanne Thiede; Lucia V Torian; Robert S Janssen
Unrecognized HIV infection, risk behaviors, and perceptions of risk among young men who have sex with men: opportunities for advancing HIV prevention in the third decade of HIV/AIDS.
Journal of acquired immune deficiency syndromes (1999) 2005;38(5):603-14.
2005: Kyung-Hee Choi; Willi McFarland; Torsten B Neilands; Stephanie Nguyen; Gina M Secura; Stephanie Behel; Duncan MacKellar; Linda A Valleroy
High level of hepatitis B infection and ongoing risk among Asian/Pacific Islander men who have sex with men, San Francisco, 2000-2001.
Sexually transmitted diseases 2005;32(1):44-8.
2004: Kyung-Hee Choi; Willi McFarland; Torsten B Neilands; Stephanie Nguyen; Brian Louie; Gina M Secura; Stephanie Behel; Duncan MacKellar; Linda A Valleroy
An opportunity for prevention: prevalence, incidence, and sexual risk for HIV among young Asian and Pacific Islander men who have sex with men, San Francisco.
Sexually transmitted diseases 2004;31(8):475-80.
2004: Nina T Harawa; Sander Greenland; Trista A Bingham; DENISE JOHNSON; Susan D Cochran; William E Cunningham; David Celentano; Beryl A Koblin; Marlene LaLota; Duncan MacKellar; Willi McFarland; Douglas Shehan; Susan Stoyanoff; Hanne Thiede; Lucia V Torian; Linda A Valleroy
Associations of race/ethnicity with HIV prevalence and HIV-related behaviors among young men who have sex with men in 7 urban centers in the United States.
Journal of acquired immune deficiency syndromes (1999) 2004;35(5):526-36.
2003: Hanne Thiede; Linda A Valleroy; Duncan MacKellar; David Celentano; Wesley L Ford; Holly Hagan; Beryl A Koblin; Marlene LaLota; Willi McFarland; Douglas Shehan; Lucia V Torian
Regional patterns and correlates of substance use among young men who have sex with men in 7 US urban areas.
American journal of public health 2003;93(11):1915-21.
2003: Beryl A Koblin; Thomas Perdue; Leigh Ren; Hanne Thiede; Vincent Guilin; Duncan MacKellar; Linda A Valleroy; Lucia V Torian
Attitudes about combination HIV therapies: the next generation of gay men at risk.
Journal of urban health : bulletin of the New York Academy of Medicine 2003;80(3):510-9.
2003: Catherine Diamond; Hanne Thiede; Thomas Perdue; Gina M Secura; Linda A Valleroy; Duncan MacKellar; Lawrence Corey
Viral hepatitis among young men who have sex with men: prevalence of infection, risk behaviors, and vaccination.
Sexually transmitted diseases 2003;30(5):425-32.
2003: Trista A Bingham; Nina T Harawa; DENISE JOHNSON; Gina M Secura; Duncan MacKellar; Linda A Valleroy
The effect of partner characteristics on HIV infection among African American men who have sex with men in the Young Men's Survey, Los Angeles, 1999-2000.
AIDS education and prevention : official publication of the International Society for AIDS Education 2003;15(1 Suppl A):39-52.
2002: Duncan MacKellar; Linda A Valleroy; Gina M Secura; Bradford Bartholow; Willi McFarland; Douglas Shehan; Wesley Ford; Marlene LaLota; David Celentano; Beryl A Koblin; Lucia V Torian; Thomas Perdue; Robert S Janssen
Repeat HIV testing, risk behaviors, and HIV seroconversion among young men who have sex with men: a call to monitor and improve the practice of prevention.
Journal of acquired immune deficiency syndromes (1999) 2002;29(1):76-85.
2001: Duncan MacKellar; Linda A Valleroy; Gina M Secura; Willi McFarland; Douglas Shehan; W Ford; Marlene LaLota; David Celentano; Beryl A Koblin; Lucia V Torian; Hanne Thiede; Robert S Janssen
Two decades after vaccine license: hepatitis B immunization and infection among young men who have sex with men.
American journal of public health 2001;91(6):965-71.
2001: Catherine Diamond; Hanne Thiede; Thomas Perdue; Duncan MacKellar; Linda A Valleroy; L Corey
Seroepidemiology of human herpesvirus 8 among young men who have sex with men.
Sexually transmitted diseases 2001;28(3):176-83.
2000: Duncan MacKellar; Linda A Valleroy; J P Hoffmann; D Glebatis; Marlene LaLota; Willi McFarland; J Westerholm; Robert S Janssen
Gender differences in sexual behaviors and factors associated with nonuse of condoms among homeless and runaway youths.
AIDS education and prevention : official publication of the International Society for AIDS Education 2000;12(6):477-91.
2000: Beryl A Koblin; Lucia V Torian; Vincent Guilin; Leigh Ren; Duncan MacKellar; Linda A Valleroy
High prevalence of HIV infection among young men who have sex with men in New York City.
AIDS (London, England) 2000;14(12):1793-800.
2000: Dennis H Osmond; Joseph A Catania; Lance M Pollack; Jesse Canchola; D Jaffe; Duncan MacKellar; Linda A Valleroy
Obtaining HIV test results with a home collection test kit in a community telephone sample.
Journal of acquired immune deficiency syndromes (1999) 2000;24(4):363-8.
2000: Linda A Valleroy; Duncan MacKellar; John M Karon; Daniel H Rosen; Willi McFarland; Douglas Shehan; Susan Stoyanoff; Marlene LaLota; David Celentano; Beryl A Koblin; Hanne Thiede; M H Katz; Lucia V Torian; Robert S Janssen
HIV prevalence and associated risks in young men who have sex with men. Young Men's Survey Study Group.
JAMA : the journal of the American Medical Association 2000;284(2):198-204.
2000: CR Waldo; Willi McFarland; Mitchell H Katz; Duncan MacKellar; Linda A Valleroy
Very young gay and bisexual men are at risk for HIV infection: the San Francisco Bay Area Young Men's Survey II.
Journal of acquired immune deficiency syndromes (1999) 2000;24(2):168-74.
1998: Mitchell H Katz; Willi McFarland; V Guillin; M Fenstersheib; M Shaw; T Kellogg; George F Lemp; Duncan MacKellar; Linda A Valleroy
Continuing high prevalence of HIV and risk behaviors among young men who have sex with men: the young men's survey in the San Francisco Bay Area in 1992 to 1993 and in 1994 to 1995.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1998;19(2):178-81.
1998: Linda A Valleroy; Duncan MacKellar; John M Karon; Robert S Janssen; C R Hayman
HIV infection in disadvantaged out-of-school youth: prevalence for U.S. Job Corps entrants, 1990 through 1996.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1998;19(1):67-73.
1996: Duncan MacKellar; Linda A Valleroy; John M Karon; G Lemp; R Janssen
The Young Men's Survey: methods for estimating HIV seroprevalence and risk factors among young men who have sex with men.
Public health reports (Washington, D.C. : 1974) 1996;111 Suppl 1():138-44.