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Results: 103 publications.

Exposure to websites that encourage self-harm and suicide: Prevalence rates and association with actual thoughts of self-harm and thoughts of suicide in the United States

Mitchell KJ, Wells M, Priebe G, Ybarra ML. Exposure to websites that encourage self-harm and suicide:Prevalence rates and association with actual thoughts of self-harm and thoughts of suicide in the United States. J Adolesc. 2014;37(8):1335-1344. doi: 10.1016/j.adolescence.2014.09.011 Abstract: This article provides 12-month prevalence rates of youth exposure to websites which encourage self-harm or suicide and examines Read More »

“Sexting” and its relation to sexual activity and sexual risk behavior in a national survey of adolescents

Ybarra ML, Mitchell KJ. “Sexting” and its relation to sexual activity and sexual risk behavior in a national survey of adolescents. J Adolesc Health. 2014;55(6):757-764. doi: 10.1016/j.jadohealth.2014.07.012 Abstract: PURPOSE: To examine the relation between “sexting” (sending and sharing sexual photos online, via text messaging, and in person) with sexual risk behaviors and psychosocial challenge in adolescence. Read More »

Online social support as a buffer against online and offline peer and sexual victimization among U.S. LGBT and non-LGBT youth

Ybarra ML, Mitchell KJ, Palmer NA, Reisner SL. Online social support as a buffer against online and offline peer and sexual victimization among U.S. LGBT and non-LGBT youth. Child Abuse Negl. 2015;39:123-136. doi: 10.1016/j.chiabu.2014.08.006 Abstract: In today’s technology-infused world, we need to better understand relationships youth form with friends online, how they compare to relationships formed in-person, Read More »

Process evaluation of a mHealth program: Lessons learned from Stop My Smoking USA, a text messaging-based smoking cessation program for young adults

Ybarra ML, Holtrop JS, Prescott TL, & Strong D. Process evaluation of a mHealth program: Lessons learned from Stop My Smoking USA, a text messaging-based smoking cessation program for young adults. Patient Educ Couns. 2014;97(2):239-243. doi: 10.1016/j.pec.2014.07.009 Abstract: OBJECTIVE: Report lessons learned in an RCT of Stop My Smoking (SMS) USA, a mHealth smoking cessation program for Read More »

Opportunities for technology-based HIV prevention programming among high school students in Cape Town, South Africa

  • Cape Town Adolescent Health Survey
  • HIV / AIDS

Ybarra ML, Mwaba B, Prescott TL, Roman NV, Rooi B, & Bull S. Opportunities for technology-based HIV prevention programming among high school students in Cape Town, South Africa. AIDS Care. 2014;26(12):1562-1567. doi: 10.1080/09540121.2014.936814 Abstract: One in three new cases of HIV in South Africa is among adolescents. Given that adolescents are particularly affected, scalable, and cost-effective Read More »

Sexual media exposure, sexual behavior, and sexual violence victimization in adolescence

  • Growing Up With Media

Ybarra ML, Straburger VC, Mitchell KJ. Sexual media exposure, sexual behavior, and sexual violence victimization in adolescence. Clin Pediatr. 2014;53(13):1239-1247. doi: 10.1177/0009922814538700 Abstract: BACKGROUND: Emerging research suggests sexual media affects sexual behavior, but most studies are based on regional samples and few include measures of newer mediums. Furthermore, little is known about how sexual media relates Read More »

A mixed-methods study of condom use and decision making among adolescent gay and bisexual males

  • Guy2Guy

Mustanski B, DuBois LZ, Prescott TL, Ybarra ML. A mixed-methods study of condom use and decision making among adolescent gay and bisexual males. AIDS Behav. 2014;18(10):1955-1969. doi: 10.1007/s10461-014-0810-3 Abstract: Young men who have sex with men have the highest rates of new HIV infections in the U.S., but they have been understudied relative to other populations. Read More »

Steps in tailoring a text messaging-based smoking cessation program for young adults

Ybarra ML, Prescott TL, Holtrop JS. Steps in tailoring a text messaging-based smoking cessation program for young adults. J Health Commun. 2014;19(12):1393-1407. doi: 10.1080/10810730.2014.901441 Abstract: Steps to develop or refine text messaging-based interventions are largely missing from the literature. Here, the authors describe steps in refining Stop My Smoking USA, a text messaging-based smoking cessation program Read More »

Gender minority social stress in adolescence: Disparities in adolescent bullying and substance use by gender identity

  • Teen Health and Technology

Reisner SL, Greytak EA, Parsons JT, Ybarra ML. Gender minority social stress in adolescence: Disparities in adolescent bullying and substance use by gender identity. J Sex Res. 2015;52(3):243-56. doi: 10.1080/00224499.2014.886321. Abstract: Bullying and substance use represent serious public health issues facing adolescents in the United States. Few large-sample national studies have examined differences in these indicators Read More »

Differentiating youth who are bullied from other victims of peer-aggression: The importance of differential power and repetition

  • Teen Health and Technology

Ybarra ML, Espelage DL, Mitchell KJ. Differentiating youth who are bullied from other victims of peer-aggression: The importance of differential power and repetition. J Adolesc Health. 2014;55(2):293-300. doi: 10.1016/j.jadohealth.2014.02.009 Abstract: PURPOSE: To examine whether (1) among youth who report being bullied, differential power and repetition are useful in identifying youth who are more or less affected Read More »

Perceptions of health care services and HIV-related health-seeking behavior among Uganda adolescents

Hampanda K, Ybarra M, Bull S. Perceptions of health care services and HIV-related health-seeking behavior among Uganda adolescents. AIDS Care. 2014;26(10):1209-1217. doi: 10.1080/09540121.2014.894612 Abstract: Youth represent almost half of all new HIV infections globally. Although condom use is an effective method of HIV prevention among sexually active youth in sub-Saharan Africa (SSA), they face substantial barriers in Read More »

Psychometric evaluation of a self-report scale to measure adolescent depression: The CESDR-10 in two national adolescent samples in the United States

  • CESD-R

Haroz EE, Ybarra ML, Eaton WW. Psychometric evaluation of a self-report scale to measure adolescent depression: The CESDR-10 in two national adolescent samples in the United States. J Affect Disord. 2014;158:154-160. doi: 10.1016/j.jad.2014.02.009 Abstract: BACKGROUND: There is a need for brief instruments to screen for depression in adolescents that are valid, reliable and freely available. The Read More »