Parent-based sexual health interventions have received considerable attention as one factor that can increase safer sexual behavior among youth; however, to our knowledge, the evidence linking parent-based interventions to youth sexual behaviors has not been empirically synthesized. OBJECTIVE To examine the association of parent-based sexual health interventions with 3 primary youth outcomes-delayed sexual activity, condom use, and parent-child sexual communication-as well as several secondary outcomes. We also explored potential moderators of intervention effectiveness. DATA SOURCES A systematic search was conducted of studies published through March 2018 using MEDLINE, PsycINFO, Communication Source, and CINAHL databases and relevant review articles. STUDY SELECTION Studies were included if they: (1) sampled adolescents (mean age, Յ18 years), (2) included parents in a key intervention component, (3) evaluated program effects with experimental/quasi-experimental designs, (4) included an adolescent-reported behavioral outcome, (5) consisted of a US-based sample, and (6) were published in English. DATA EXTRACTION AND SYNTHESIS Standardized mean difference (d) and 95% confidence intervals were computed from studies and meta-analyzed using random-effects models. A secondary analysis evaluated potential moderating variables. MAIN OUTCOMES AND MEASURES The primary outcomes were delayed sexual activity, condom use, and sexual communication. RESULTS Independent findings from 31 articles reporting on 12 464 adolescents (mean age = 12.3 years) were synthesized. Across studies, there was a significant association of parent-based interventions with improved condom use (d = 0.32; 95% CI, 0.13-0.51; P = .001) and parent-child sexual communication (d = 0.27; 95% CI, 0.19-0.35; P = .001). No significant differences between parent-based interventions and control programs were found for delaying sexual activity (d = −0.06; 95% CI, −0.14 to 0.02; P = .16). The associations for condom use were heterogeneous. Moderation analyses revealed larger associations for interventions that focused on younger, compared with older, adolescents; targeted black or Hispanic youth compared with mixed race/ethnicity samples; targeted parents and teens equally compared with emphasizing parents only; and included a program dose of 10 hours or more compared with a lower dose. CONCLUSIONS AND RELEVANCE Parent-based sexual health programs can promote safer sex behavior and cognitions in adolescents, although the findings in this analysis were generally modest. Moderation analyses indicated several areas where future programs could place additional attention to improve potential effectiveness.

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IMPORTANCEBlack adolescents are at increased risk of contracting HIV and other sexually transmitted infections (STIs) and experiencing unplanned pregnancy. Although sexual health interventions aimed at decreasing these risks exist, evidence of the association between sexual health interventions and the sexual behavior of black adolescents has not been synthesized to our knowledge. OBJECTIVE To examine the associations between sexual health interventions and behavioral, biological, and psychological outcomes.DATA SOURCES For this systematic review and meta-analysis, a systematic search was conducted of studies published through January 31, 2019, using the PubMed, PsycINFO, and CINAHL databases and relevant review articles.

Introduction: Adolescents misperceive and are heavily influenced by the behavior of their popular peers, yet research has not yet investigated this phenomenon for a relatively new and potentially risky behavior: adolescent sexting. The present study investigates rates of sexting among popular and non-popular adolescents and the association between adolescents' perceptions of popular peers' sexting behavior and their own sexting behavior.Methods: A school-based sample of 626 adolescents from a rural high school in the Southeastern U.S. (M age = 17.4, 53.5% female) completed surveys indicating whether they had sent a sext in the past year. Participants also reported on perceptions of popular peers' sexting behavior and completed sociometric nominations of peer status.Results: While 87.4% of adolescents believed the typical popular boy or girl in their class had sent a sext in the past year, only 62.5% of popular adolescents had actually sent a sext. There was no significant difference between rates of sexting among popular and non-popular (54.8%) adolescents. After adjusting for gender and sexual activity status, adolescents who believed that the typical popular peer sent a sext were over ten times more likely to have also sexted in the past year. Among adolescents who believed their popular peers had not sexted, girls were more likely than boys to have sexted themselves; however, this gender difference disappeared among adolescents who believed their popular peers had sexted.Conclusions: These results underscore the importance of peer status and perceptions of peer norms in adolescents' sexting.The prevalence of adolescent sexting has increased over the past decade (Madigan, Ly, Rash, . Sexting is defined broadly as the sending of any sexually explicit, self-made digital content (Van Ouytsel, Walrave, Ponnet, & Temple, 2018). Depending on the breadth of the definition, prevalence estimates of sexting behavior in adolescence range from 15 to 60% (Van Ouytsel et al., 2018). Sexting may represent a natural means of sexual exploration among adolescents (Lippman & Campbell, 2014), yet also poses risks. Sexting can lead to decreased emotional well-being, especially when messages are distributed to people other than the intended recipient (Alonso & Romero, 2019;Van Ouytsel, Lu, Ponnet, Walrave, & Temple, 2019). Moreover, adolescent sexting, including the sending of photographs or messages, has been associated with increased risky sexual behavior (e.g.,

CONTEXT: Latinx adolescents are at risk for negative sexual health outcomes, and many interventions have been developed to reduce this risk.OBJECTIVE: In this meta-analysis, we synthesized the literature on sexual health interventions for Latinx adolescents and examined intervention effects on 3 behavioral outcomes (abstinence, condom use, number of sex partners) and 3 psychological outcomes (safer sex knowledge, intentions, self-efficacy). Moderators of intervention success were explored.DATA SOURCES: A systematic search of studies published through January 2019 was conducted by using PubMed, PsycINFO, and Cumulative Index to Nursing and Allied Health Literature databases.STUDY SELECTION: All studies included a US-based sample of Latinx adolescents, evaluated sexual health intervention by using an experimental or quasiexperimental design, included a behavioral outcome, and were in English.DATA EXTRACTION: Standardized mean difference (d) and 95% confidence intervals (CIs) were meta-analyzed by using random-effects models. RESULTS: Effect sizes from 12 studies, sampling 4673 adolescents, were synthesized. Sexual health interventions improved abstinence (d = 0.15, 95% CI: 0.02 to 0.28), condom use (d = 0.44, 95% CI: 0.18 to 0.70), number of sex partners (d = 20.19, 95% CI: 20.37 to 20.001), and sexual health knowledge (d = 0.40, 95% CI: 0.10 to 0.70), compared with control conditions. Effects were consistent across a number of demographic and clinical characteristics, although culturally tailored interventions produced greater change in condom use than nontailored interventions.LIMITATIONS: There was variation across studies in measures of sexual behavior, and some elements of individual study quality were unclear.CONCLUSIONS: Sexual health interventions have a small but significant impact on improving safer sexual behavior among Latinx adolescents. Health educators should consider the importance of cultural tailoring to program success.