Results: 248 publications.

Reaching adolescent gay, bisexual, and queer men online: Development and refinement of a national recruitment strategy

Prescott TL, Phillips G, 2nd, Dubois LZ, Bull S, Mustanski B, Ybarra ML. Reaching adolescent gay, bisexual, and queer men online: Development and refinement of a national recruitment strategy. J Med Internet Res. 2016;18(8):e200. doi: 10.2196/jmir.5602. Abstract: BACKGROUND: Using social networking websites to recruit research participants is increasingly documented in the literature, although few studies Read More »


Identifying “mischievous” responders through Latent Class Analysis

Petras H, Ybarra M. Identifying “mischievous” responders through Latent Class Analysis. Poster presentation at the 24th Annual Meeting of the Society for Prevention Research; 31 May – 2 June, 2016; San Francisco, CA. Data from Wave 7 of the Growing up with Media study, collected in 2016, are discussed.


Latent transitions in sexual violence perpetration in a nationally representative sample of individuals age 16-22

Petras H, Ybarra M. Latent transitions in sexual violence perpetration in a nationally representative sample of individuals age 16-22. Poster presentation at the 24th Annual Meeting of the Society for Prevention Research; 31 May – 2 June, 2016; San Francisco, CA. Data from Wave 7 of the Growing up with Media study, collected in 2016, Read More »


Stepwise development a text messaging-based bullying prevention program for middle school students (BullyDown)

Ybarra ML, Prescott TL, Espelage DL. Stepwise development a text messaging-based bullying prevention program for middle school students (BullyDown). JMIR mHealth uHealth. 2016;4(2):e60. doi: 10.2196/mhealth.4936. Abstract: BACKGROUND: Bullying is a significant public health issue among middle school-aged youth. Current prevention programs have only a moderate impact. Cell phone text messaging technology (mHealth) can potentially overcome Read More »


Ethical considerations in conducting a text messaging-based HIV prevention program with gay, bisexual, and queer adolescent men

  • Guy2Guy

Ybarra ML, Prescott TL, Phillips II GL, Parsons JT, Bull SS, Mustanski B. Ethical considerations in conducting a text messaging-based HIV prevention program with gay, bisexual, and queer adolescent men. J Adolesc Health. 2016;S1054-139X(16):00099-00099. doi: 10.1016/j.jadohealth.2016.03.020. Abstract: PURPOSE: There is a dearth of HIV prevention/healthy sexuality programs developed for adolescent gay and bisexual males (AGBM) Read More »


Expert consultation on bullying and cyberbullying

Ybarra M. Expert consultation on bullying and cyberbullying. Oral presentation at the meeting of the Office of the Special Representative of the Secretary-General on Violence against Children; 9-10 May 2016; Florence, Italy.


Participant-level meta-analysis of mobile phone-based interventions for smoking cessation across different countries

Ybarra ML, Jiang Y, Free C, Abroms LC, Whittaker R. Participant-level meta-analysis of mobile phone-based interventions for smoking cessation across different countries. Prev Med. 2016;89:90-97. doi: 10.1016/j.ypmed.2016.05.002. Abstract: With meta-analysis, participant-level data from five text messaging-based smoking cessation intervention studies were pooled to investigate cessation patterns across studies and participants. Individual participant data (N = 8315) collected Read More »


Lifetime prevalence rates and overlap of physical, psychological, and sexual dating abuse perpetration and victimization in a national sample of youth

Ybarra ML, Espelage DL, Langhinrichsen-Rohling J, Korchmaros JD, boyd d. Lifetime prevalence rates and overlap of physical, psychological, and sexual dating abuse perpetration and victimization in a national sample of youth. Arch Sex Behav. Published online April 20, 2016. doi: 10.1007/s10508-016-0748-9. Abstract: National, epidemiological data that provide lifetime rates of psychological, physical, and sexual adolescent Read More »


Sexual behaviors and partner characteristics by sexual identity among adolescent girls

  • Teen Health and Technology

Ybarra ML, Rosario M, Saewyc E, Goodenow C. Sexual behaviors and partner characteristics by sexual identity among adolescent girls. J Adolesc Health. 2016;58(3):310-316. doi: 10.1016/j.jadohealth.2015.11.001 Abstract: PURPOSE: Data suggest that lesbian and bisexual adolescents engage in risky sexual behaviors at higher rates than heterosexual girls. Whether these findings also apply to girls of other sexual Read More »


Program acceptability of a text-messaging based HIV prevention program for gay, bisexual, and queer adolescent males

Ybarra ML, Prescott TL, Phillips II GL, Parsons J, Bull S, Mustanski B. Program acceptability of a text-messaging based HIV prevention program for gay, bisexual, and queer adolescent males. Oral presentation at the 2015 National HIV Prevention Conference; 8 Dec 2015; Atlanta, GA. Data from the Guy2Guy study collected in 2012-2013 are discussed.


Low rates of human immunodeficiency virus testing among adolescent gay, bisexual, and queer men

Phillips G 2nd, Ybarra M, Prescott T, Parsons J, Mustanski B. Low rates of Human Immunodeficiency Virus testing among adolescent gay, bisexual, and queer men. J Adolesc Health. 2015;57(4):407-12. doi: 10.1016/j.jadohealth.2015.06.014. Abstract: PURPOSE: Adolescent gay and bisexual men (AGBM) are disproportionately affected by human immunodeficiency virus (HIV), but little is known about testing rates among men aged Read More »


How to Use a Condom

  • Guy2Guy

This video was included in the Guy2Guy program to complement the program text messages, and provide a visual demonstration of how to correctly use a condom.