Colleen Hoff, PhD

Director, Center for Research and Education on Gender and Sexuality

Research Faculty, Gay Couples Study and You & Me

Dr. Hoff, a Clinical Psychologist, is a Professor of Sexuality Studies, and is currently the director of the Center for Research and Education on Gender and Sexuality.She was the interim Director for the NSRC, and Director of the Center forResearch on Gender and Sexuality. Prior to coming to San Francisco State in September 2008, Professor Hoff was an Associate Professor of Medicine at UCSF and on Faculty at the Center for AIDS Prevention Studies. Professor Hoff has worked extensively in the field of HIV Prevention by developing and implementing community level, social network, group and individual intervention trials aimed at reducing sexual risk among gay men. She has also on two different studies aimed at promoting female condom use among sexually active women in the Bay Area. Professor Hoff is currently the Principal Investigator of a large scale couples study that focuses on agreements gay male couples make about sex with outside partners. Her particular interest is in the nuances of the negotiations and what factors support and hinder safety from HIV. Professor Hoff is also an AASECT certified sex therapist and keeps a small private practice where she works with couples and individuals facing sexual problems. Professor Hoff has published several journal articles presented findings at several professional conferences in the area of AIDSprevention and sexual health.


Chakravarty, D., Hoff, C. C., Neilands, T. B., & Darbes, L. A. (in press). Rates of testing for HIV in the presence of serodiscordant UAI among HIV-negative gay men in committed relationships. AIDS and Behavior.

Gass K., Hoff C.C., Stephenson R., Sullivan P.S. (2012) Sexual agreements in the partnerships of Internet-using men who have sex with men. AIDS Care, 24(10):1255-63.

Beougher, S. C., Chakravarty, D., Garcia, C. C., Darbes, L. A., Neilands, T. B., & Hoff, C. C. (2012). Risks worth taking: Safety agreements among discordant gay couples. AIDS Care, 24(9):1071-7.

Huebner, D. M., Mandic, C.G., Mackaronis, J. E., Beougher, S. C., & Hoff, C. C. (2012). Impact of Parenting on Gay Male Couples’ Relationships, Sexuality, and HIV Risk. Couple and Family Psychology: Research and Practice, 1(2), 106-119.

Gómez, AM, Beougher, S. C., Chakravarty, D., Neilands, T. B., Mandic, C., Darbes, L. A., & Hoff, C. C. (2012). Relationship Dynamics as Predictors of Broken Agreements About Outside Sexual Partners: Implications for HIV Prevention Among Gay Couples. AIDS and Behavior, 16(2), 1584-8.

Darbes, L. A., Chakravarty, D., Beougher, S. C., Neilands, T. B., & Hoff, C. C. (2012). Partner-provided social support influences choice of risk reduction strategies in gay male couples. AIDS and Behavior, 16(1),159-167.

Beougher, S. C., Gómez, W., & Hoff, C. C. (2011). The couple as context: Relationship characteristics, sexual agreements, and concerns about HIV among Latino gay male couples. Culture, Health and Sexuality, 13(3), 299-312.

Hoff, C. C., Beougher, S. C., Chakravarty, D., Darbes, L. A., & Neilands, T. (2010). Relationship characteristics and motivations behind agreements among gay male couples: Differences by agreement type and couple serostatus. AIDS Care, 22(7), 827-835.

Hoff, C. C., & Beougher, S. C. (2010). Sexual agreements among gay male couples. Archives of Sexual Behavior, 39(3), 774-787.

Neilands, T. B., Chakravarty, D., Darbes, L. A., Beougher, S. and Hoff, C. (2010) Development and Validation of the Sexual Agreement Investment Scale. Journal of Sex Research, 47: 1, 24 —37.

Hoff, C.C., & Beougher, S.C. (2010) Sexual Agreements Among Gay Male Couples. Archives of Sexual Behavior, 39(3), 774-787.

Hoff, C.C., Chakravarty, D., Beougher, S.C., Dadasovich, R., Darbes, L.A., & Neilands, T. (2009) Serostatus differences and agreements about outside sex partners among gay male couples. AIDS Education and Prevention, 21(1):25-38.

Choi, K., Hoff, C., Gregorich, S., Grinstead, O., Gomez, C., Hussey, W. (2008), The Efficacy of Female Condom Skills Training in HIV Risk Reduction among Women: A Randomized Controlled Trial, American Journal of Public Health. 98(10). 1803-1813.

Hoff, C., Pals, S., Purcell, D., Parsons, J, Halkitis, P, Remien, R., Gomez, C. (2006). Is sexual risk behavior with main partners impacted differentially than risk with non-main partner in an HIV prevention trial targeting HIV-positive gay and bisexual men? AIDS and Behavior, 10(3).

Fisher, H., Purcell, D., Hoff, C., Parsons, J., O’Leary, A. (2006) Recruitment source and behavioral risk patterns of HIV-positive men who have sex with men. AIDS and Behavior, 10 (4)

Hoff, C., Gomez, C., Faigeles, B., Purcell, D., Halkitis, P., Parsons, J. (2005). Serostatus of primary partner impacts sexual behavior inside and outside the relationship: A description of HIV-positive MSM in primary relationships? Journal of Psychology and Human Sexuality, 16(4).

O’Leary, A., Hoff, C., Purcell, D., Gomez, C., Parsons, J., Hardnett, F., Lyles, C. (2005). What happened in the SUMIT trial? Mediation and behavior change. AIDS, 19, Suppl 1, S11-S22.

Wolitski, R, Parsons, J., Gomez, C., Purcell, D., Hoff, C., Halkitis, P. (2005). Prevention with gay and bisexual men living with HIV: Rationale and methods of the Seropositive Urban Men’s Intervention Trial, AIDS, 19, Suppl S1-S12.

Purcell, D., Wolitski, R., Hoff, C., Parsons, J., Woods, W., Halkitis, P. (2005) Predictors of the use of viagra, testosterone, and antidepressants among HIV-seropositive gay and bisexual men, AIDS, 19, Suppl S57-S66.

Parsons, J., Schrimschaw, E., Wolitski, R., Halkitis, P., Purcell, D., Hoff, C., Gomez, C., (2005) Sexual practices of HIV-seropositive gay and bisexual men: Use of harm reduction strategies in New York City and San Francisco, AIDS, 19, Suppl S13-S26

Halkitis, P., Green, K., Remien, R., Stirratt, M., Hoff, C., Wolitski, R., Parsons, J. (2005) Seroconcordant sexual partner risk of HIV-seropositive gay and bisexual men, AIDS, 19, Suppl S27-S36.

Halkitis, P., Wilton, L., Parsons, J., Hoff, C., Bimbi, D. (2005) Behavioral, psychological and demographic correlates of barebacking identity among gat and bisexual men, AIDS, 19, Suppl S77-S76.

Belcher, L., Sternberg, M. R., Wolitski, R. J., Halkitis, P., Hoff, C., & the Seropositive Urban Men’s Study Team. (2005). Perceived risk of HIV transmission and condom use among HIV-seropositive MSM. AIDS Education and Prevention, 17 (1) 79-89.

Hoff, C., Faigeles, B., Wolitski, R., Purcell, D., Gomez, C., Parsons J. (2004) Sexual Risk for HIV Transmission is Missed by Traditional Methods of Data Collection. AIDS, 18, 12-14.

Halkitis, P., Wilton, L., Parsons, J., & Hoff, C. (2004). Correlates of sexual risk taking among HIV seropositive gay men in seroconcordant primary partner relationships. Psychology, Health, & Medicine, 9(1), 99-113.

Courtenay-Quirk, C., Wolitski, R.J., Hoff, C., Parsons, J. (2003) Interests in HIV Prevention Topics of HIV-Seropositive Men Who Have Sex With Men. AIDS Education and Prevention, 12 (5) 401-412

Jinich, S., Paul, J., Stall, R., Acree, M., Kegeles, S., Hoff, C., Coates, T.J. (1998) Childhood Sexual Abuse and HIV Risk-Taking Behavior Among Gay and Bisexual Men. AIDS and Behavior, 2, 41-48

Hoff, C., Kegeles, S., Acree, M., Stall, R., Paul, J., Ekstrand, M., Coates, T.J. (1997) Looking for Men In All The Wrong Places: HIV Prevention Small-Group Programs Do Not Reach High Risk Gay Men. AIDS, 11, 829-831.

Hoff, C., Stall, R., Acree, M., Daigle, D., Paul, J., Kegeles, S., Ekstrand, M., Coates, T.J. (1997) Differences in Sexual Behavior among HIV Discordant and Concordant Gay Men in Primary Relationships. JAIDS, 14, 72-78.

Hoff, C., Coates, T.J., Barrett, D.C., Collette, L., Ekstrand, M. (1996). Differences Between Gay Men in Primary Relationships and Single Men: Implications for Prevention. AIDS Education and Prevention, 8, 546-559.

Diaz, R., Stall, R., Hoff, C., Daigle, D., Coates, T.J. (1996). HIV Risk Among Latino Men in the South Western United States. AIDS Education and Prevention, 8, 415-429.

Stall, R., Hoff, C.C., Coates, T.J., Phillips, K.A., Ekstrand, M., Kegeles, S., Catania, J., Daigle, D., Diaz, R., Paul, J. (1996). The Secondary Prevention of AIDS Among Gay/Bisexual Men in Western United States: The Community AIDS Mobilization Project, JAIDS, 11, 151-160.

Phillips, K.A., Paul, J., Kegeles, S., Stall, R., Hoff, C., Coates, T.J. (1995). Predictors of Repeat HIV Testing Among Gay and Bisexual Men. AIDS, 9, 769-775.

Hays, R.B., McKusick, L., Pollack, L., Hilliard, R., Hoff, C., Coates, T.J. (1993) Disclosing HIV Seropositivity to Significant Others. AIDS, 7, 425-431.

Hoff, C.C., McKusick, L., Hilliard, B., Coates, T.J. (1992) The Impact of HIV Antibody Status on Gay Men’s Partner Preferences: A Community Perspective. AIDS Education and Prevention, 4(3) 197-204.

McKusick, L., Hoff, C,C., Stall, R., Coates, T.J. (1991) Tailoring AIDS Prevention: Comparison of HIV avoidance strategies among three groups of San Francisco bar patrons. AIDS Education and Prevention, 3, (1), 1-9.

McKusick, L., Coates, T.J., Morin, S., Pollack, L., Hoff, C.C. (1990) Longitudinal predictors of reductions in unprotected anal intercourse AIDS among gay men in San Francisco. American Journal of Public Health, 80 , 978-983.

Stall, R., Heurtin-Roberts, S., McKusick, L., Hoff, C.C., Lang, S. (1990) Sexual risk for HIV transmission among singles-bar patrons in San Francisco. Medical Anthropology Quarterly. 4: 115-128.

Stall, R., Coates, T.J., Hoff, C.C. (1988) Behavioral risk reduction infection among gay and bisexual men; A comparison of published results from the United States. American Psychologist, 43, 878-885.

Reports and Book Chapters

Hoff, C. & Manchikanti, A. (2005) Sexual Negotiation Strategies Among HIV Seropositive Gay and Bisexual Men. In The Sexual Lives of HIV Seropositive Gay and Bisexual men. Halkitis, P., Gomez, C., Wolitski, R. (Eds). APA Press.

Hoff, C.C., McKusick, L., Hilliard, B., Coates, T.J. (1994) The Impact of HIV Antibody Status on Gay Men’s Partner Preferences: A Community Perspective. In: The Family and HIV, Robert Bor & Jonathan Elford (Eds.), Cassell: London.

Coates TJ, Stall R, Hoff C. Changes in behavior made by gay and bisexual men since the beginning of the AIDS epidemic. Paper prepared for the Office of Technology Assessment, Washington D.C., 1988.