Effectiveness of suicide means restriction: an overview of systematic reviews.

ABSTRACT:

Question

Means restriction for suicide prevention at a population level typically involves policy or environmental changes to limit access to suicide methods. Several systematic reviews of suicide means restriction exist. This umbrella review aimed to synthesise their findings, assess evidence quality, quantify primary study overlap and identify evidence gaps.

Study selection and analysis

Searches were conducted across Web of Science, Ovid (PsycINFO, EMBASE), Cochrane and PubMed, supplemented by reference list screening. Study quality was assessed using A MeaSurement Tool to Assess systematic Reviews-2. Study overlap was calculated using the corrected covered area.

Findings

We included 20 systematic reviews, synthesising evidence from 179 unique primary studies. Physi

SUBMITTER: Steeg S 

PROVIDER: S-EPMC12699607 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature