Background: Despite increased awareness of the adverse impact of bullying on mental health, the prevalence of bullying in Australia is uncertain. The aim of the current study was to conduct a systematic review and meta-analysis to estimate the prevalence of bullying (traditional and cyber) among Australian children and adolescents. This study synthesised bullying prevalence studies on victimisation experiences (being bullied) and perpetration experiences (bullying others). Method: A systematic review of electronic databases (A+ Education, EMBASE, ERIC, PubMed, PsycINFO and Scopus up to 27 May 2017) was conducted. In addition, reference lists of included studies, theses recorded at the National Library of Australia, and government websites were surveyed to identify local area data as well as state and nationally representative data. Overall, 898 studies were screened and out of the 126 studies assessed for eligibility, 46 satisfied the pre-determined inclusion criteria. Meta-analyses based on quality-effects models generated pooled prevalence estimates for each of the two types of bullying involvement (victimisation and perpetration), as well as distinct models for traditional bullying and cyberbullying experiences by the type of involvement. Results: Overall, the 12-month prevalence of bullying victimisation was 15.17% (95% confidence interval = [9.17, 22.30]) and perpetration was 5.27% (95% confidence interval = [3.13, 7.92]). The lifetime prevalence for traditional bullying victimisation was 25.13% (95% confidence interval = [18.73, 32.11]) and perpetration was 11.61% (95% confidence interval = [7.41, 16.57]). Cyberbullying victimisation and perpetration were less common with lifetime prevalence of 7.02% (95% confidence interval = [2.41, 13.54]) and 3.45% (95% confidence interval = [1.13, 6.84]), respectively. Conclusion: Bullying is common among children and adolescents in Australia. There is a need to improve the measurement of bullying using a standardised instrument and for prevalence estimates to be collected on a regular basis to assess change over time. Wide implementation of anti-bullying programmes in Australian schools is a viable public health approach for the prevention of mental health problems.
Aim There is now a strong body of literature showing that bullying victimisation during childhood and adolescence precedes the later development of anxiety and depressive disorders. This study aimed to quantify the burden of anxiety and depressive disorders attributable to experiences of bullying victimisation for the Australian population. Methods This study updated a previous systematic review summarising the longitudinal association between bullying victimisation and anxiety and depressive disorders. Estimates from eligible studies published from inception until 18 August 2018 were included and meta-analyses were based on quality-effects models. Pooled relative risks were combined with a contemporary prevalence estimate for bullying victimisation for Australia in order to calculate population attributable fractions (PAFs) for the two mental disorder outcomes. PAFs were then applied to estimates of the burden of anxiety and depressive disorders in Australia expressed as disability-adjusted life years (DALYs). Results The findings from this study suggest 7.8% of the burden of anxiety disorders and 10.8% of the burden of depressive disorders are attributable to bullying victimisation in Australia. An estimated 30 656 DALYs or 0.52% (95% uncertainty interval 0.33–0.72%) of all DALYs in both sexes and all ages in Australia were attributable to experiences of bullying victimisation in childhood or adolescence. Conclusion There is convincing evidence to demonstrate a causal relationship between bullying victimisation and mental disorders. This study showed that bullying victimisation contributes a significant proportion of the burden of anxiety and depressive disorders. The investment and implementation of evidence-based intervention programmes that reduce bullying victimisation in schools could reduce the burden of disease arising from common mental disorders and improve the health of Australians.
Mongolia has significant exposure to environmental risk factors because of poor environmental management and behaviors, and children are increasingly vulnerable to these threats. This study aimed to assess levels of exposure and summarize the evidence for associations between exposures to environmental risk factors and adverse health outcomes in Mongolia, with a particular focus on children. A systematic review was conducted using the PubMed, EMBASE, Web of Science, Global Health Library, CINAHL, CABI, Scopus, and mongolmed.mn electronic databases up to April 2014 . A total of 59 studies meeting the predetermined criteria were included. Results indicate that the Mongolian population has significant exposure to outdoor and indoor air pollution, metals, environmental tobacco smoke, and other chemical toxins, and these risk factors have been linked to respiratory and cardiovascular diseases among adults and respiratory diseases and neurodevelopmental disorders among children. Well-designed epidemiological investigations in vulnerable populations especially in pregnant women and children are recommended.
Introduction and Objectives:To conduct a systematic literature review of intervention programs designed to promote healthy romantic relationships in youth (aged 12-25 years). The focus was on universal interventions that have the potential to be effective and widely implemented. Methods: We systematically searched PubMed, PsycINFO, Social Science Database, and Embase. Articles were included if they were a randomized controlled trial (RCT) or quasi-experimental study and reported on a universal intervention aimed at promoting healthy romantic relationship knowledge, attitudes, and behaviors among youth. Results: The search strategy identified 27 studies (26,212 participants). Interventions were found to be effective for improving healthy romantic relationship knowledge in the target population. However, the findings were mixed for intervention effectiveness in changing relationship attitudes/beliefs, and there was limited evidence to support change across behavioral outcomes. Conclusions: This review highlights the need for future research, including high quality RCTs with longer follow-up periods in a broad range of cultural and ethnic settings, to improve the generalisability of findings. Interventions for adolescents that improve knowledge and behavioral change relating to healthy romantic relationships have the potential to reduce mental and physical health problems during this phase of development.
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