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Clinical-Grade PHQ-9 Assessment Engine

Understand your mental health with absolute precision.

A private, stark, evidence-based platform for screening depression. Zero friction. No accounts required to start.

Anonymous Access

Start instantly. Privacy guaranteed.

Evidence-Based

Powered by the clinical PHQ-9 standard.

Secure Processing

Data never leaves encrypted constraints.

Instant Clarity

Actionable results in under 3 minutes.

Data Output

Clear, actionable scoring framework.

LifeBack translates your PHQ-9 responses into a definitive severity matrix. You retain complete control over this data—export it, save it, or delete it instantly.

  • Total cumulative severity score (0-27)
  • Stratified severity categorization
  • Clinical recommendations baseline
Final Report
12
/ 27

Moderate Severity

Scores in this range indicate moderate depressive symptoms. Monitoring, lifestyle adjustments, or consulting a healthcare professional is recommended for a formal evaluation.

Standardized Process

A rigid, five-step clinical flow engineered to provide clarity in under three minutes.

01
STEP 01

Initialize

No account required.

02
STEP 02

Input

9 clinical questions.

03
STEP 03

Process

Secure scoring engine.

04
STEP 04

Output

Severity stratification.

05
STEP 05

Retain

Optional data storage.

Architecture of Trust

Built for precision, privacy, and clinical relevance.

Research Standard

Strict adherence to the Patient Health Questionnaire (PHQ-9) diagnostic criteria.

Zero Telemetry

Your data remains in your session. We do not track keystrokes or analytics during assessments.

Human Oversight

Designed as an assistive triage instrument, never as a replacement for professional diagnosis.

Data Portability

Export your results instantly. If you create an account, you retain absolute deletion rights.