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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »