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Multicomponent and integrated approaches improve suicide prevention for socially vulnerable populations in primary careIntegrated Approaches Show More Success in Suicide Prevention Efforts

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Key Takeaway
Consider integrated, multicomponent models rather than isolated interventions for suicide prevention in primary care.

This narrative review synthesizes evidence regarding suicide prevention interventions in primary health care (PHC) for socially vulnerable populations, including individuals experiencing homelessness, poverty, substance use disorders, and social isolation. The scope includes various strategies such as risk screening, collaborative care models, safety planning, brief psychological interventions, telehealth, and provider training.

The authors conclude that multicomponent and integrated approaches are generally more effective than isolated interventions for suicide prevention. These integrated models aim to move beyond simple risk identification toward person-centered, multidisciplinary care. The review highlights the importance of strengthening service integration, continuity of care, and intersectoral collaboration to support vulnerable groups.

A noted limitation is the need for further research to evaluate specific implementation strategies and intervention effectiveness across diverse healthcare settings, particularly in low- and middle-income countries. Because this is a narrative review, it does not provide high-level evidence or specific p-values regarding individual intervention efficacy. Clinical application should focus on integrated models rather than isolated screening tools.

How this fits prior evidence

This narrative review addresses gaps in primary care delivery for suicide prevention among socially vulnerable populations. It complements existing evidence regarding the five core domains of suicide postvention identified via expert consensus and the identification of CNS medications with suicide-related adverse event signals. While previous findings established specific postvention domains and potential medication risks, this review focuses on the structural integration of services in primary care settings.

This review looked at how to better prevent suicide within primary health care settings. The focus was specifically on helping socially vulnerable groups, such as people experiencing homelessness, poverty, unemployment, or domestic violence. These individuals often face significant barriers to accessing consistent and effective mental health support.

The findings suggest that integrated, multicomponent programs are more effective than single interventions. Instead of just screening for risk, the most successful approaches combine several methods. These include safety planning, brief psychological support, telehealth options, and training for healthcare providers. This creates a broader net of protection for those in need.

Because this was a narrative review, the results do not provide specific data on how much one method outperforms another. The evidence is currently limited by a lack of research in diverse settings, especially in lower-income countries. For now, the main takeaway is that a team-based, person-centered approach is the most promising way to support vulnerable patients.

What this means for you:
Combined, multi-step programs are more effective for suicide prevention than single interventions alone.

Common questions

What types of programs are most effective for suicide prevention?

The review suggests that integrated, multicomponent approaches are generally more effective than isolated interventions. These can include a mix of risk screening, safety planning, brief psychological interventions, telehealth options, and specialized training for healthcare providers to better support patients.

Who specifically benefits from these integrated care models?

These programs are designed to help socially vulnerable populations. This includes people experiencing homelessness, poverty, unemployment, migration, domestic violence, substance use disorders, social isolation, disability, and other forms of social marginalization.

How is this different from standard risk screening?

While many programs focus only on identifying a person's risk, the most effective models go further. They include continuous care, provider training, and intersectoral collaboration to provide a more complete support system for patients in primary health care settings.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedJul 2026
View Original Abstract ↓
IntroductionSuicide remains a major public health challenge worldwide, particularly among socially vulnerable populations who experience disproportionate exposure to social determinants associated with suicide risk and barriers to mental healthcare. Primary health care (PHC) is often the first point of contact with healthcare services and therefore plays a critical role in suicide prevention.MethodsThis narrative review was conducted according to the SANRA guidelines. A structured literature search of PubMed/MEDLINE, Scopus, and Web of Science was performed to identify evidence on suicide prevention interventions implemented in PHC and their applicability to socially vulnerable populations. The review focused on intervention characteristics, implementation approaches, reported outcomes, and challenges relevant to PHC practice.ResultsThe reviewed literature indicates that suicide prevention in PHC relies on multiple complementary strategies, including suicide risk screening, collaborative care models, safety planning interventions, brief psychological interventions, telehealth approaches, continuity-of-care programs, and provider training. Evidence suggests that multicomponent and integrated approaches are generally more effective than isolated interventions. Socially vulnerable populations, including people experiencing homelessness, poverty, unemployment, migration, domestic violence, substance use disorders, social isolation, disability, and social marginalization, face additional barriers to accessing mental healthcare and suicide prevention services. Effective interventions frequently combine clinical care with community, social, and support services to address both mental health needs and underlying social determinants of suicide risk.ConclusionSuicide prevention in PHC requires integrated, multidisciplinary, and person-centered approaches that extend beyond risk identification alone. Strengthening service integration, continuity of care, provider capacity, and intersectoral collaboration may improve suicide prevention efforts, particularly among socially vulnerable populations. Further research is needed to evaluate implementation strategies and intervention effectiveness in diverse healthcare settings, especially in low- and middle-income countries.
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