Results: 103 publications.

Cross‐sectional associations between violent video and computer game playing and weapon carrying in a national cohort of children

  • Growing Up With Media

Ybarra ML, Huesmann LR, Korchmaros JD, Reisner SL. Cross‐sectional associations between violent video and computer game playing and weapon carrying in a national cohort of children. Aggress Behav. 2014;40(4):345-358. doi: 10.1002/ab.21526 Abstract: Data were collected from 9 to 18 year olds surveyed nationally in a three‐wave longitudinal survey. The population‐average (generalized estimating equation, GEE) odds of Read More »


Prevalence rates of male and female sexual violence perpetrators in a national sample of adolescents

Ybarra ML, Mitchell KJ. Prevalence rates of male and female sexual violence perpetrators in a national sample of adolescents. JAMA Pediatr. 2013;167(12):1125-1134.  doi:10.1001/jamapediatrics.2013.2629 Abstract: Importance: Sexual violence can emerge in adolescence, yet little is known about youth perpetrators—especially those not involved with the criminal justice system. Objective: To report national estimates of adolescent sexual violence Read More »


Acceptability and feasibility of CyberSenga: an Internet-based HIV-prevention program for adolescents in Mbarara, Uganda

  • Cybersenga

Ybarra ML, Bull SS, Prescott TL, Birungi R. Acceptability and feasibility of CyberSenga: an Internet-based HIV-prevention program for adolescents in Mbarara, Uganda. AIDS Care. 2014;26(4):441-447. doi: 10.1080/09540121.2013.841837 Abstract: Capitalizing on emerging data suggesting that HIV-preventive behaviors can be positively affected by Internet-based programs, we developed and tested CyberSenga, an Internet-based, comprehensive sexuality education program for Read More »


Perpetration of teen dating violence in a networked society

Korchmaros JD, Ybarra ML, Langhinrichsen-Rohling J, boyd d, Lenhart.  Perpetration of teen dating violence in a networked society. Cyberpsychol Behav Soc Netw. 2013;16(8):561-567. doi: 10.1089/cyber.2012.0627 Abstract: Teen dating violence (TDV) is a serious form of youth violence that youth fairly commonly experience. Although youth extensively use computer-mediated communication (CMC), the epidemiology of CMC-based TDV is largely Read More »


Accessing sexual health information online: use, motivations and consequences for youth with different sexual orientations

  • Teen Health and Technology

Mitchell KJ, Ybarra ML, Korchmaros JD, Kosciw JG. Accessing sexual health information online: use, motivations and consequences for youth with different sexual orientations. Health Educ Res. 2014;29(1):147-157. doi: 10.1093/her/cyt071 Abstract: We examine reasons why youth of different sexual orientations look for sexual health information online, and what, if anything, they do with it. The Teen Read More »


Feasibility and acceptability of a text messaging-based smoking cessation program in Ankara, Turkey

Ybarra ML, Holtrop JS, Bağci Bosi AT, Bilir N, Korchmaros JD, Emri S. Feasibility and acceptability of a text messaging-based smoking cessation program in Ankara, Turkey. J Health Commun. 2013;18(8):960-973. doi: 10.1080/10810730.2012.757399 Abstract: Data from high-income countries suggest that cell phone-based smoking cessation programs have the potential to affect cessation rates. There is a paucity of Read More »


Examining the applicability of the IMB model in predicting condom use among sexually active secondary school students in Mbarara, Uganda

  • Cybersenga

Ybarra ML, Korchmaros J, Kiwanuka J, Bangsberg DR, Bull S. Examining the applicability of the IMB model in predicting condom use among sexually active secondary school students in Mbarara, Uganda. AIDS Behav. 2013;17(3):1116-1128. doi: 10.1007/s10461-012-0137-x Abstract: The applicability of the IMB model in predicting condom use was tested among 390 sexually active secondary school students Read More »


Socio-cultural and economic antecedents of adolescent sexual decision-making and HIV-risk in rural Uganda

Katz IT, Ybarra ML, Wyatt MA, Kiwanuka J, Bangsberg DR, Ware NC. Socio-cultural and economic antecedents of adolescent sexual decision-making and HIV-risk in rural Uganda. AIDS Care. 2013;25(2):258-264. doi: 10.1080/09540121.2012.701718 Abstract: With more than half of new infections occurring among youth, HIV/AIDS remains a major contributor to morbidity and mortality in Uganda. Semi-structured interviews were Read More »


Pilot RCT results of Stop My Smoking USA: a text messaging-based smoking cessation program for young adults

Ybarra ML, Holtrop JS, Prescott TL, Rahbar MH, Strong D. Pilot RCT results of Stop My Smoking USA: a text messaging-based smoking cessation program for young adults. Nicotine Tob Res. 2014;15(8): 1388-1399. doi: 10.1093/ntr/nts339 Abstract: INTRODUCTION: To address the lack of smoking cessation programs available to young adults, Stop My Smoking (SMS) USA, a text messaging-based Read More »


A text messaging-based smoking cessation program for adult smokers: randomized controlled trial

Ybarra M, Bağcı Bosi AT, Korchmaros J, Emri S. A text messaging-based smoking cessation program for adult smokers: randomized controlled trial. J Med Internet Res. 2012;14(6):e172. doi:10.2196/jmir.2231 Abstract: BACKGROUND: Despite promising data in Western countries, there is a dearth of research into the efficacy of text messaging-based smoking cessation programs in other settings, including the Read More »


Usability and navigability of an HIV/AIDS internet intervention for adolescents in a resource-limited setting

Ybarra ML, Biringi R, Prescott T, Bull SS. Usability and navigability of an HIV/AIDS internet intervention for adolescents in a resource-limited setting. Comput Inform Nurs. 2012;30(11):587-595. doi: 10.1097/NXN.0b013e318266cb0e Abstract: Use of the Internet is growing in Sub-Saharan Africa. Evidence of computer and Internet effectiveness for reduction in risk behaviors associated with HIV shown in US Read More »


Design considerations in developing a text messaging program aimed at smoking cessation is among adult smokers in Ankara, Turkey

Ybarra ML, Holtrop JS, Bağci Bosi AT, Emri S. Design considerations in developing a text messaging program aimed at smoking cessation is among adult smokers in Ankara, Turkey. J Med Internet Res. 2012;14(4):e103. doi: 10.2196/jmir.2061 Abstract: BACKGROUND: Cell phone text messaging is gaining increasing recognition as an important tool that can be harnessed for prevention Read More »