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Dating violence is a public health problem affecting people worldwide. This study evaluated the occurrence of different types of adolescent dating violence using a mixed analysis of each data source. The present study addresses the following research questions: does the occurrence of the types of violence analyzed in the quantitative phase match with the narratives obtained in the qualitative phase? and does the additional information obtained in the qualitative phase improve the understanding of the analyzed phenomenon? In the quantitative phase, 410 participants (aged 13 to 19 years) answered a questionnaire based on the Modified Conflict Tactics Scale, while in the qualitative phase, 26 participated in two focus groups. Data were collected from May to June 2019. Written informed consent was obtained from the parents or legal guardians of those who had agreed to participate. The present research was approved by the Human Research Ethics Committee of the Pontifical Catholic University of Ecuador. The results were divided on: prevalence of dating violence based on age groups and gender, management and resolution of dating conflicts, victimization and perpetration of intimate partner violence, factors favoring intimate partner violence and acceptance of abuse. The results were analyzed via triangulation and indicated thatadolescents were involved in the perpetration and victimization of psychological as well as mild and severe physical violence. An analysis of the contributing factors revealed a strong tendency toward the acceptance of the traditional gender model. Challenging these models is crucial to deconstruct hierarchical models, develop conflict resolution skills, and promptly identify abusive behaviors that affect emotional development. The combination of different methodological approaches improved the understanding of the phenomenon studied. [ABSTRACT FROM AUTHOR]

Objectives: To determine the effectiveness of a statewide telephone service in identifying low-income women at risk for hereditary breast and ovarian cancer and referring them to free genetic counseling., Methods: From June 2010 through August 2011, eligible callers to California's toll-free breast and cervical cancer telephone service were screened for their family histories of breast and ovarian cancer. High-risk women were identified and called for a baseline survey and randomization to an immediate offer of genetic counseling or a mailed brochure on how to obtain counseling. Clinic records were used to assess receipt of genetic counseling after 2 months., Results: Among 1212 eligible callers, 709 (58.5%) agreed to answer family history questions; 102 (14%) were at high risk (25% Hispanic, 46% White, 10% Black, 16% Asian, 3% of other racial/ethnic backgrounds). Of the high-risk women offered an immediate appointment, 39% received counseling during the intervention period, as compared with 4.5% of those receiving the brochure., Conclusions: A public health approach to the rare but serious risk of hereditary breast and ovarian cancer can be successful when integrated into the efforts of existing safety net organizations.

We examined engagement in novel quit-smoking private social support networks on Twitter, January 2012 to April 2014. We mapped communication patterns within 8 networks of adult smokers (n = 160) with network ties defined by participants' tweets over 3 time intervals, and examined tie reciprocity, tie strength, in-degree centrality (popularity), 3-person triangles, 4-person cliques, network density, and abstinence status. On average, more than 50% of ties were reciprocated in most networks and most ties were between abstainers and nonabstainers. Tweets formed into more aggregated patterns especially early in the study. Across networks, 35.00% (7 days after the quit date), 49.38% (30 days), and 46.88% (60 days) abstained from smoking. We demonstrated that abstainers and nonabstainers engaged with one another in dyads and small groups. This study preliminarily suggests potential for Twitter as a platform for adult smoking-cessation interventions.

Objectives: To determine the association between multiple drug use and nonfatal overdose among young people (younger than 30 years) who inject drugs., Methods: We completed a longitudinal study of 173 injection drug users younger than 30 years living in San Francisco, California, between April 2012 and February 2014., Results: The odds of nonfatal overdose increased significantly as heroin and benzodiazepine pill-taking days increased and when alcohol consumption exceeded 10 drinks per day compared with 0 drinks per day., Conclusions: Heroin, benzodiazepine, and alcohol use were independently associated with nonfatal overdose over time among young people who inject drugs. Efforts to address multiple central nervous system depressant use remain an important component of a comprehensive approach to overdose, particularly among young people.