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Results: 103 publications.

The effect of a text messaging based HIV prevention program on sexual minority male youths: A national evaluation of information, motivation and behavioral skills in a randomized controlled trial of Guy2Guy

Ybarra ML, Liu W, Prescott TL, Phillips II G, Mustanski B. The effect of a text messaging based HIV prevention program on sexual minority male youths: A national evaluation of information, motivation and behavioral skills in a randomized controlled trial of Guy2Guy. Journ. of Adolesc. 2018. https://doi.org/10.1007/s10461-018-2118-1 Abstract: There is a paucity of literature documenting how the constructs Read More »

Characteristics of bias-based harassment incidents reported by a national sample of U.S. adolescents

Jones LM, Mitchell KJ, Turner HA, Ybarra ML. Characteristics of bias-based harassment incidents reported by a national sample of U.S. adolescents. Journ of Adolesc. 2018; 65: 50-60. https://doi.org/10.1016/j.adolescence.2018.02.013 Abstract Using a national sample of youth from the U.S., this paper examines incidents of bias-based harassment by peers that include language about victims’ perceived sexual orientation, race/ethnicity, religion, weight Read More »

Mobile health intervention development principles: Lessons from an adolescent cyberbullying intervention

Ranney ML, Pittman SK, Ybarra M, Huang J, Spirito A, Rosen R. Mobile health intervention development principles: Lessons from an adolescent cyberbullying intervention. Soc Media & Healthcare Tech. 2018; 3329-3338. http://hdl.handle.net/10125/50310 Abstract Mobile health interventions are becoming increasingly popular, yet challenges in developing effective, user-friendly, evidence-based technology augmented interventions persist. In this paper, we describe the process Read More »

Why girls choose not to use barriers to prevent sexually transmitted infection during female-to-female sex

Doull M, Wolowic J, Saewyc E, Rosario M, Prescott T, Ybarra M. Why girls choose not to use barriers to prevent sexually transmitted infection during female-to-female sex. Journ. of Adoles. Health. 2017; 1-6. doi: https://doi.org/10.1016/j.jadohealth.2017.10.005 Abstract: Purpose: Using data from a national qualitative study of lesbian, bisexual, and other sexual minority adolescent girls in the U.S., this study examined their Read More »

Predicting the emergence of sexual violence in adolescence

Ybarra ML, Thompson RE. Predicting the emergence of sexual violence in adolescence. Prev Sci.  Published online July 07, 2017. doi: 10.1007/s11121-017-0810-4. Abstract: This study aims to report the epidemiology of sexual violence (SV) perpetration for both female and male youth across a broad age spectrum. Additionally, the etiology of SV perpetration is examined by identifying prior exposures Read More »

Pilot RCT results of an mHealth HIV prevention program for sexual minority male adolescents

Ybarra ML, Prescott TL, Phillips II GL, Bull SS, Parsons JT, Mustanski B. Pilot RCT results of an mHealth HIV prevention program for sexual minority male adolescents. Peds. 2017; 140 (1): 1-10. 10.1542/peds.2016-2999. Abstract: BACKGROUND: Guy2Guy (G2G) is the first comprehensive HIV prevention program developed for sexual minority males as young as 14 years old and is delivered nationally Read More »

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 »

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 »

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 »