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Quick Inventory of Depressive Symptomatology (QIDS-SR-16)

QIDS-SR-16: The self-report standard for assessing depressive symptom severity across 9 clinical domains.

Item 1 of 16

Falling Asleep

Guidelines & Evidence

Verified

Last Review: 2026-07-17

When to Use

Clinical Utility

Assessment of depression severity in adult patients with MDD

Primary outcome measure and longitudinal tracking for antidepressant therapy

Standardized scoring for clinical research (STAR*D protocol)

Screening for atypical features of depression (hypersomnia, increased weight)

How it Works

Scoring Rules

The QIDS-SR-16 covers 16 items but scores across 9 symptom domains (Sleep, Weight, Appetite, Mood, Concentration, Self-View, Thoughts of Death, Interest, and Energy). For domains with multiple items (e.g., Sleep), only the single highest-scoring item is counted toward the total score.

Interpretation

0–5 points	Normal / Remission
6–10 points	Mild Depression
11–15 points	Moderate Depression
16–20 points	Severe Depression
21–27 points	Very Severe Depression

Last Comprehensive Review: 2026-07-17