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Introduction:

Kessler 6 psychological distress scores estimate how often a person has felt common stress and mood symptoms during the past 30 days and summarize the pattern into a single number. It is a short self check that helps you notice whether feelings are occasional or persistent and whether simple changes may be enough or a conversation with a professional could help.

You answer six plain questions and receive a total from 0 to 24 with a label that places the score in a broad band. A small breakdown highlights anxiety like items, low mood items, and effort or fatigue so you can see what is driving the total most strongly. Use the same time frame and similar conditions when you repeat the check so trends are comparable.

For example you might complete the items after a demanding month and see a score that lands in the mild band with anxiety like items higher than the rest. That points to steadying routines and light supports first, and a plan to check again soon. Scores close to a band edge can look different on another day, so treat them as a prompt to watch for direction rather than a final verdict.

This tool provides informational estimates and does not substitute professional advice. If you feel unsafe or in crisis, seek local help right away.

Technical Details:

The measure captures frequency of psychological distress over a recent 30 day window. Each item is scored on a five point scale from none of the time to all of the time, producing integers from 0 to 4. The six item responses form a single total that summarizes current distress, and three simple subscores show emphasis across anxiety like feelings, low mood or worth, and effort or fatigue.

The total is the sum of all item scores. Subscores are formed by grouping items that track similar feelings. The anxiety like subscore uses items 1 and 3, the low mood subscore uses items 2, 4, and 6, and the effort or fatigue subscore is item 5. Subscore labels use quartiles of each subscore’s maximum to mark none, mild, moderate, or high emphasis.

Results are interpreted in four bands by total. Low signals minimal current distress. Mild suggests watchful self care and simple structure. Moderate suggests a discussion with a qualified professional. Severe suggests timely professional assessment, especially if safety concerns are present. Values near band edges can shift with day to day changes, so compare direction and context over time.

T = i16 xi A = x1+x3 M = x2+x4+x6 F = x5
Symbols and units
Symbol Meaning Unit/Datatype Source
xi Item score for question i integer 0 to 4 Input
T Total distress score integer 0 to 24 Derived
A Anxiety like subscore (items 1 and 3) integer 0 to 8 Derived
M Low mood subscore (items 2, 4, 6) integer 0 to 12 Derived
F Effort or fatigue subscore (item 5) integer 0 to 4 Derived
Worked example

Responses: [2, 1, 3, 2, 1, 0].

T = 2+1+3+2+1+0=9 A = 2+3=5 M = 1+2+0=3 F = 1

Total 9 falls in the mild band; anxiety like items show moderate emphasis, with low mood and fatigue lower.

Severity bands and interpretation
Threshold band Lower bound Upper bound Interpretation Action cue
Low 0 7 Minimal current distress. Keep steady routines and supports.
Mild 8 12 Raised distress. Use light structure and self care.
Moderate 13 18 Meaningful symptoms. Consider professional guidance.
Severe 19 24 High current distress. Seek timely professional assessment.

Rounding and precision: totals and subscores are integers; percent progress is rounded to the nearest integer. Subscore labels follow quartiles of each subscore maximum using inclusive boundaries.

Validation and bounds
Field Type Min Max Step/Pattern Error text Placeholder
Item response integer 0 4 step 1 n/a n/a
Encoded answers (r) string ^[0-4\-]{6}$ invalid strings are ignored six characters
I/O formats
Input Accepted families Output Encoding/precision Rounding
Six item responses radio choices 0 to 4 Total, band, narrative integers; band labels nearest integer for percent
Answer export CSV copy or download; DOCX export Answer table client generated files n/a

Networking and storage: processing is browser based; responses stay on the device and are not transmitted to a server. An optional URL parameter r encodes six characters for restoring or sharing answers.

Security considerations: inputs are numeric and bounds checked; encoded strings outside the allowed pattern are ignored. Avoid sharing sensitive notes in export files if devices are shared.

  • Assumptions and limitations
  • The instrument reflects the past 30 days, not lifetime patterns.
  • Self report can vary with context and wording.
  • Band thresholds are simple rules defined here.
  • Subscores are descriptive and not diagnostic.
  • Close to boundary scores may change with small input shifts.
  • Not designed for very young users without support.
  • Language and culture can influence response style.
  • Heads‑up Exports create files on the device.
  • Edge cases and error sources
  • Unanswered items lower totals unexpectedly.
  • Accidental clicks can change a recorded answer.
  • Encoded strings with wrong length are ignored.
  • Non digit characters outside the allowed set are rejected.
  • Progress can show 100 percent only when all items are answered.
  • Very similar scores can flip band labels.
  • Window resizing may briefly delay chart redraw.
  • Copying CSV may be blocked by clipboard permissions.
  • Downloads can be interrupted by popup blockers.
  • Shared devices can expose exported files to others.

Privacy and compliance: no data is transmitted or stored server side; generated files remain on the device.

Step‑by‑Step Guide:

The Kessler 6 check collects six short responses and returns a total with an interpretation band.

  1. Read each question about the past 30 days.
  2. Select one option from none to all of the time 0 to 4.
  3. Continue until all six items are answered.
  4. Review the total and band, then scan the highlights.
  5. Optionally export your answers for a record mind shared devices.

Example: If items are [2, 1, 3, 2, 1, 0], the total is 9 which sits in the mild band with anxiety like items higher than others.

Repeat at similar times of day and compare direction rather than single points.

FAQ:

Is my data stored?

No. Responses are processed on the device and are not sent to a server. Exports create files locally.

Keep exported files private if devices are shared.
How accurate is the result?

It is a short screen that reflects recent feelings. Treat band labels as guides. Use trends and context for decisions.

What units or formats are used?

Items are integers 0 to 4. Totals run 0 to 24. Subscores are 0 to 8, 0 to 12, and 0 to 4.

Can I repeat and compare?

Yes. Repeat under similar conditions. Look for direction over time rather than small single changes.

Can I export my answers?

Yes. You can copy answers to CSV, download a CSV file, or export to DOCX. Files are generated on the device.

What does a borderline result mean?

Scores near a band edge can shift with small changes. Recheck soon and consider the subscore pattern and next steps.

Does it work offline?

Computation is local. Once the page is available, the check runs without network calls.

Do I need an account or payment?

No account is required and there are no paywalls in this package.

Troubleshooting:

  • Cannot advance: make sure each item has one selected option.
  • No chart: reload the page and try again after all items are answered.
  • CSV copy blocked: allow clipboard permission in the browser.
  • Download blocked: allow downloads or disable popup blockers for this page.
  • Wrong total: check that all six items are answered once each.
  • Encoded link does not load answers: ensure the r string has exactly six valid characters.

Advanced Tips:

  • Tip Use the same time of day to improve comparability across runs.
  • Tip Note brief context in a journal to interpret shifts later.
  • Tip Watch subscores to see which feelings change first or fastest.
  • Tip Treat single results as snapshots and compare trends over weeks.
  • Tip Keep exports in a private folder if you track results over time.
  • Tip If totals rise across checks, plan a conversation with a professional.

Glossary:

K6
A six item screen of recent psychological distress.
Item score
A single question’s value from 0 to 4.
Total score
Sum of all six item scores.
Subscore
A grouped summary focusing on related feelings.
Severity band
A range of totals with a shared interpretation.
Encoded answers
A six character string that can restore responses.