CES-D: Center for Epidemiologic Studies Depression Scale

What is CES-D?

CES-D (Center for Epidemiologic Studies Depression Scale) is a validated clinical instrument used to assess 20-item screening test for depressive symptoms in the general population.. It is most often used for 20-item screening test for depressive symptoms in the general population.. The instrument contains 20 items. Typical administration time is ≈ 5 min.

Source / attribution: Free to use with citation

Clinical context: when CES-D is used

20-item screening test for depressive symptoms in the general population. CES-D is part of standard practice in this setting because it provides a structured, replicable assessment that can be tracked over time and compared across patients or visits.

Like all screening or assessment instruments, CES-D is a structured aid — not a diagnostic test in isolation. Results should be interpreted alongside history, examination, and clinical context. Where a score crosses an actionable threshold, the next step is typically a more detailed clinical evaluation rather than a definitive diagnosis.

Score CES-D

Each item is scored on a 4-point scale (0–3). Your score updates live as you answer.

All scoring runs in your browser. No data is sent anywhere — close the tab and the answers are gone.

How CES-D is scored

Sum all 20 items scored 0-3. Total range 0-60. Score >= 16 suggests clinically significant depression.

Scoring notes: Sum all 20 items scored 0-3. Total range 0-60. Score >= 16 suggests clinically significant depression.

CES-D score interpretation

The cutoffs below are drawn from the published validation literature. Always interpret in clinical context.

How to score CES-D: a step-by-step worked example

This is an illustrative walkthrough, not a real patient. Follow the same four steps with your own answers — or use the live calculator at the top of this page.

Step 1 — Score each item

Read each question and choose the response that best fits. Each response has a number next to it — that number is the item's score. The example below uses illustrative answers.

Step 2 — Add up the scores

Add up all the item scores you noted in Step 1.

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + … (items 9–20 sum to 11) = 19

Step 3 — Look up the band

Find the row in the interpretation table whose range contains your total:

Total = 19 falls between 16 and 21 → Mild depression

Step 4 — What does this mean clinically?

Mild depression. Monitor

A score is one input alongside history and examination. CES-D supports clinical judgment — it does not replace it.

Score CES-D with your own answers above →

CES-D psychometric properties

• Internal consistency. Cronbach's α = 0.85 — acceptable to good.
• Test–retest reliability. r = 0.7 — stable across repeated administrations.
• Validity. Good sensitivity and specificity for major depression in community samples.

Psychometric figures are drawn from the validation literature and may vary across clinical populations and translations.

Limitations & common pitfalls

• Sum all 20 items scored 0-3. Total range 0-60. Score >= 16 suggests clinically significant depression.
• Screening, not diagnosis. A positive CES-D score is not equivalent to a diagnosis. Confirmatory clinical evaluation is required before treatment decisions.
• Population calibration. Cutoffs were derived from specific validation populations. Performance can differ in other age groups, languages, comorbid conditions, or clinical settings.
• Self-report bias. Patient-reported instruments are subject to under- and over-reporting; clinical context is essential.

How CES-D compares to other depression scales

If CES-D doesn't fit your context, related instruments in depression include:

Frequently asked questions about CES-D

References & validation

CES-D is supported by the following peer-reviewed sources:

• Radloff, L. S. (1977). The CES-D scale: A self-report depression scale for research in the general population. Applied Psychological Measurement, 1(3), 385-401. doi:10.1177/014662167700100306 · PubMed