Effekt av "Youth development" programmer gitt i nærmiljøet på voldsutøvelse blant ungdom: Systematisk oversikt og metaanalyse

Systematic review and meta-analysis of effects of community-delivered positive youth development interventions on violence outcomes

Forfattere
Melendez-Torres, G. J. Dickson, K. Fletcher, A. Thomas, J. Hinds, K. Campbell, R. Murphy, S. Bonell, C.
Årstall
2016
Tidsskrift
Journal of Epidemiology and Community Health
Volum
70
Sider
1171-1177
Background We systematically reviewed and meta-analysed evaluations testing the effectiveness of positive youth development (PYD) interventions for reducing violence in young people. Methods Two reviewers working independently screened records, assessed full-text studies for inclusion and extracted data. Outcomes were transformed to Cohen's d. Quality assessment of included evaluations was undertaken using the Cochrane risk of bias tool. Effect sizes were combined using multilevel meta-analysis. We searched 21 databases, including MEDLINE, PsycINFO, CINAHL and CENTRAL, and hand-searched key journals and websites. We included studies where the majority of participants were aged 11-18 years and where interventions were delivered in community (not clinical or judicial) settings outside of normal school hours. We excluded studies targeting predefined physical and mental health conditions or parents/carers alongside young people. We defined violence as perpetration or victimisation of physical violence including violent crime. Results Three randomised trials were included in this systematic review. Included evaluations each had design flaws. Meta-analyses suggested that PYD interventions did not have a statistically significant effect on violence outcomes across all time points (d=0.021, 95% CI -0.050 to 0.093), though interventions did have a statistically significant short-term effect (d=0.076, 95% CI 0.013 to 0.140). Conclusions Our meta-analyses do not offer evidence of PYD interventions in general having effects of public health significance in reducing violence among young people. Evaluations did not consistently report theories of change or implementation fidelity, so it is unclear if our meta-analyses provide evidence that the PYD theory of change is ineffective in reducing violence among young people.

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Tiltaksnivå

Tidlig innsats

Tema

Psykiske vansker og lidelser

Atferdsproblemer

Antisosial atferd (vold/aggresjon, ungdomskriminalitet)

Tiltak

Folkehelsetiltak

Tiltak i nærmiljøet/infrastruktur (ungdomsklubber, frivillig arbeid, etterskoletilbud, veier, parker)

Aldersgruppe

Barn i skolealder (6-12 år)

Ungdom (13-18 år)

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