Residency · Residency · Psychiatry
Suicide Risk Assessment and Safety Planning
Introduction
Suicide is a leading cause of death worldwide, and suicide risk assessment is among the most critical skills in psychiatric practice. While no instrument can predict suicide with certainty, a structured, comprehensive assessment allows clinicians to identify modifiable risk factors, implement safety interventions, and make informed disposition decisions. Safety planning has emerged as an evidence-based intervention that significantly reduces subsequent suicidal behavior.
Epidemiology
Approximately 49,000 deaths by suicide annually in the United States. Suicide is the 2nd leading cause of death in individuals aged 10-34 and the 12th overall. Males die by suicide at nearly 4 times the rate of females; females attempt suicide more frequently. Firearms account for over 50% of suicide deaths in the US. Populations at elevated risk: veterans, LGBTQ+ youth, Indigenous populations, individuals with prior attempts, those recently discharged from psychiatric hospitalization.
Risk Factors
Static (Historical) Risk Factors
Prior suicide attempt (single strongest predictor of future suicide) Family history of suicide. History of childhood abuse or trauma. Chronic medical illness, especially conditions causing pain or disability. Male sex, older age (particularly white males over 65)
Dynamic (Modifiable) Risk Factors
Current suicidal ideation with plan and intent. Hopelessness (stronger predictor than depression severity alone) Acute psychiatric symptoms: agitation, insomnia, psychosis, mixed affective states. Substance intoxication or withdrawal. Recent psychosocial stressors: relationship loss, legal problems, financial crisis, bereavement. Access to lethal means, especially firearms. Recent discharge from psychiatric hospitalization (highest risk in the first week)
Protective Factors
Reasons for living (children, responsibilities, future plans) Social connectedness and support. Active engagement in treatment. Religious or cultural beliefs against suicide. Problem-solving skills and adaptive coping.
The Suicide Risk Assessment
Clinical Interview
Ask about suicidal ideation directly and explicitly: "Are you thinking about killing yourself?". Asking about suicide does not increase risk; it opens the door to disclosure. Assess the following dimensions systematically: Ideation: frequency, duration, intensity, controllability. Plan: specificity, lethality, availability of means. Intent: subjective desire to die, preparatory behaviors (writing notes, giving away possessions, researching methods) Means: access to firearms, medications, other lethal methods. Timeline: acute vs. chronic ideation; any identified date or event. Deterrents: what has kept the patient alive so far?
Screening Tools
| Tool | Format | Items | Setting | Strengths | Limitations |
|---|---|---|---|---|---|
| C-SSRS | Structured interview | Variable (severity continuum) | Clinical, research, ED | Gold standard; assesses ideation and behavior; widely validated | Requires training; time-intensive |
| PHQ-9 Item 9 | Self-report (single item) | 1 | Primary care, screening | Quick; embedded in depression screen | Not sufficient alone; low specificity |
| ASQ | Brief interview | 4 | ED, medical settings | Very brief; validated in youth and adults | Screening only; requires follow-up assessment |
Columbia Suicide Severity Rating Scale (C-SSRS): structured interview assessing ideation and behavior on a severity continuum; widely used in clinical and research settings. Patient Health Questionnaire-9 (PHQ-9) Item 9: screens for death wishes and suicidal thoughts; not sufficient alone. Ask Suicide-Screening Questions (ASQ): brief 4-question tool validated for emergency and medical settings.
Risk Formulation
Risk assessment is a clinical judgment, not a score on an instrument. Synthesize risk factors, protective factors, and clinical presentation into a narrative risk formulation. Categorize risk as low, moderate, or high to guide clinical decision-making. Document the rationale for the risk level and the corresponding plan. Re-assess risk at every clinical contact; it is dynamic and can change rapidly.
Safety Planning
The Stanley-Brown Safety Planning Intervention
An evidence-based, brief intervention developed by Barbara Stanley and Gregory Brown. Demonstrated to reduce suicidal behavior by approximately 50% in emergency department studies. Distinct from a no-suicide contract, which lacks evidence and can create a false sense of security.
The Six Steps
Recognizing warning signs: internal cues (thoughts, feelings, behaviors) that signal a crisis is developing. Internal coping strategies: activities the patient can do alone to distract from suicidal thoughts (exercise, deep breathing, hobbies) Social contacts for distraction: people and settings that provide positive interaction (not necessarily disclosure of suicidality) People to contact for help: specific individuals the patient can tell about their crisis (family, friends, therapist) Professional and crisis resources: therapist phone number, crisis hotline (988 Suicide and Crisis Lifeline), emergency department. Lethal means restriction: steps to reduce access to firearms, medications, and other lethal means.
Lethal Means Counseling
Means restriction is one of the most effective suicide prevention strategies. Firearms should be stored locked, unloaded, and separate from ammunition, or temporarily removed from the home. Assess and reduce access to stockpiled medications; prescribe limited supplies. Bridge barriers, safe storage programs, and gun shop-based interventions are public health approaches. Clinicians should counsel patients and families directly about means safety.
Post-Discharge and Transition Planning
The first week after psychiatric discharge carries the highest suicide risk. Implement caring contacts: brief follow-up calls or texts from clinicians after discharge. Ensure outpatient appointments are scheduled before discharge (ideally within 7 days) Provide the patient with a copy of their safety plan. Involve family or support persons in discharge planning when appropriate. Consider bridge appointments, crisis stabilization, or intensive outpatient programs.
Documentation
Document the specific risk and protective factors identified. Record the clinical reasoning behind the risk level assigned. Note the interventions implemented (safety planning, means counseling, disposition decision) Document collateral contacts and information obtained. Include the patient's own words regarding ideation, plan, intent, and reasons for living.
Key Clinical Pearls
A prior suicide attempt is the strongest single predictor of future suicide; always assess the history of attempts in detail, including method, intent, and medical lethality. Safety plans are living documents that should be reviewed, updated, and practiced with the patient at each visit; they are far more effective than no-suicide contracts. Lethal means counseling, particularly around firearms, is one of the highest-yield interventions in suicide prevention and should be part of every risk assessment. Risk assessment is a process, not a one-time event; suicide risk is dynamic and must be re-evaluated at transitions of care and whenever clinical status changes.
References
- Stanley B, Brown GK, Brenner LA, et al. Comparison of the safety planning intervention with follow-up vs usual care of suicidal patients treated in the emergency department. JAMA Psychiatry. 2018;75(9):894-900.
- Posner K, Brown GK, Stanley B, et al. The Columbia-Suicide Severity Rating Scale: initial validity and internal consistency findings. Am J Psychiatry. 2011;168(12):1266-1277.
- Mann JJ, Apter A, Bertolote J, et al. Suicide prevention strategies: a systematic review. JAMA. 2005;294(16):2064-2074.
- Barber CW, Miller MJ. Reducing a suicidal person's access to lethal means of suicide: a research agenda. Am J Prev Med. 2014;47(3 Suppl 2):S264-S272.