Answer the 12 RAND SF-12 items based on the past four weeks.

  • Choose one response per item so the domain pattern stays comparable run to run.
  • Your answers stay in this browser unless you choose to export them.
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Share result

Share this result page with someone you trust to review your answers and result.

Domain rank map
Domain profile map
Gap vs support map

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Domain Rank Map ranks the eight domains from lowest to highest so the main watchpoints are obvious before item-level review.

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Main watchpoints
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# Domain Component Score Profile role Action focus Copy
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Scoring note: {{ scoringMethodNote }}

Current anchors
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Repeat-check prep
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Physical side

PCS is built here from Physical Functioning, Role-Physical, Pain, and General Health.

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Mental and social side

MCS is built here from Emotional Well-being, Role-Emotional, Social Functioning, and Energy / Fatigue.

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Domain score table

Use this table for the ranked 0 to 100 domain scores, within-tool priorities, and exportable comparison rows.

Domain Component Score Band Vs mean Priority Guidance Copy
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Answer review

Each answered item stays tied to its source domain so repeat runs are easier to compare later.

# Domain Item Response Copy
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Tags: Psychometrics
RAND SF-36 Health Survey (SF-36) Score RAND SF-36 answers into eight 0-to-100 health domains, compare physical and mental means, and keep the one-year change item separate.
EQ-5D-5L Health Status Survey Record an EQ-5D-5L health state for today, compare US 2019 and England 2018 utilities with EQ VAS, and see which dimension drives burden.
World Health Organization Quality of Life (WHOQOL-BREF) Assess WHOQOL-BREF quality of life across four domains, compare 0-100 scores, and review lower items, support anchors, and shareable results.
Edinburgh Postnatal Depression Scale (EPDS) Assessment Score EPDS answers for the last 7 days, review 0 to 9, 10 to 12, and 13+ follow-up cues, and keep Question 10 safety flags visible.
Customize
Advanced
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Short health surveys try to capture something broader than a symptom checklist. Health-related quality of life asks how health affects movement, daily roles, pain, mood, energy, and social contact. The answer matters when a person feels worse than a diagnosis label suggests, when treatment improves one part of life but leaves another strained, or when a follow-up conversation needs concrete examples instead of a vague sense that the last month was harder.

The SF-12 belongs to the Medical Outcomes Study short-form survey family. It compresses a wider health-status questionnaire into 12 self-report items, most framed around the past four weeks. That shorter format reduces the burden of repeated check-ins, but it also means every answer carries visible weight. One response about stairs, pain, calmness, or social interference can noticeably change a compact profile.

Domain
A health concept represented by one or two SF-12 items, such as Physical Functioning, Pain, or Social Functioning.
PCS
Physical Component Summary in formal SF-12 reporting; transparent profiles may also use PCS for the mean of displayed physical domains.
MCS
Mental Component Summary in formal SF-12 reporting; transparent profiles may also use MCS for the mean of displayed mental domains.

The main practical value is the shape of the profile. A person may report little pain but low energy, or strong emotional well-being with physical limits that still interrupt work. A single average can hide those differences. Looking across domains keeps the result closer to the real-life question: which part of health is shaping daily activity most right now?

SF-12 profile scoring overview Twelve SF-12 answers are transformed into eight displayed domains. Four physical domains feed the displayed PCS mean, and four mental domains feed the displayed MCS mean. A short form turns a few answers into a profile Use the domain pattern to see where health is helping, limiting, or changing daily life. 12 answers past four weeks 8 domains function, roles, pain, health mood, energy, social life 0-to-100 display values PCS mean MCS mean Formal SF-12 PCS-12 and MCS-12 scores are norm-based; transparent profiles are within-tool summaries.

Formal SF-12 reporting usually uses scoring manuals and population norms. A common norm-based setup centers summary scores near 50 with a standard deviation near 10, so a value above or below 50 is read against a reference population. A transparent 0-to-100 profile answers a different question. It is easier to inspect, repeat, and discuss, but it is not interchangeable with licensed PCS-12 or MCS-12 scores used in studies, registries, or formal outcome reporting.

The safest reading is modest. Repeated low domains, a wide gap between stronger and weaker areas, or a clear physical-versus-mental imbalance can help frame follow-up. The profile cannot diagnose a condition, explain the cause of a low score, or replace the official scoring method when a study or clinic requires one.

How to Use This Tool:

Complete the 12-item flow with the same past-four-weeks frame in mind. The report appears only after every item has a selected response.

  1. Select Start assessment to open the question flow, progress bar, and question navigator.
  2. Choose one radio response for the current item. The navigator adds a check mark when the item is answered and then moves you to the next unanswered item.
  3. If the progress bar stops short of 12/12 answered, use the question navigator to find the row without a check mark and answer it.
  4. Read the completed RAND sF-12 quality-of-life profile summary first. It shows the within-tool mean, PCS, MCS, balance label, strongest area, lowest area, and domain spread.
  5. Use Domain rank map to see the low-to-high order, Domain profile map to scan the eight-domain shape, and Gap vs support map to compare each domain with your own profile mean.
  6. Open Domain score table for exact domain values, bands, priority labels, and guidance. Use Answer review when a score looks surprising because it keeps each item tied to its selected response.
  7. Copy a result link or export CSV, chart, or DOCX files only when you have a real follow-up reason. These outputs can preserve sensitive health answers and scores.

Interpreting Results:

Start with the lowest domain and the domain spread, not the overall mean alone. A profile mean near the middle can still contain one area that is clearly strained. A balanced PCS/MCS label can also be misleading when both means are low.

Result cue What to read What not to overread
Overall mean Average of the eight displayed domain scores. Not an official SF-12 total score.
PCS and MCS Within-tool means for physical and mental domain groups. Not licensed norm-based PCS-12 or MCS-12 values.
Domain spread Point gap between the strongest and weakest displayed domains. A wide gap shows unevenness, not the medical cause.
Priority labels Reading aids for lower, mid-range, and stronger domains. Not diagnostic categories or universal clinical cutoffs.

The default display treats scores below 50 as watch domains and scores at 75 or above as anchors. A lower score is a cue to inspect the answer rows and think about recent examples from daily life. It is not proof that one cause, one symptom, or one treatment decision explains the pattern.

For repeat checks, compare the same domain under a similar four-week recall frame. A small change is weaker evidence when the month included a short illness, a flare, major stress, travel, recovery, or a different interpretation of the same response choice.

Technical Details:

The page builds a transparent SF-12-style profile rather than licensed norm scores. Each selected response is converted to a 0-to-100 display value, values are averaged within domains, and the physical and mental summaries are simple means of four displayed domains each. That makes the arithmetic auditable, but it also means the result should be compared with itself across repeated runs, not with published PCS-12 or MCS-12 tables.

Response direction is item specific. Some questions already run from less favorable to more favorable in the value order used by the assessment, while others are reversed before the domain mean is calculated. The Answer review table is important because it lets a reader check which response fed a surprising domain score.

Formula Core

For a direct item transform, the selected response number is scaled across the available choices. For a reversed transform, the same scale is flipped first.

v = s - 1 n - 1 × 100 v = n - s n - 1 × 100 D j = ∑ i = 1 k j v i k j

s is the selected response value, n is the number of choices for that item, v is the transformed item value, Dj is the displayed domain score, and kj is the number of items in that domain. Domain, PCS, MCS, and overall means are displayed to one decimal place.

Domain Items Summary mean Content covered
General Health1PCSBroad self-rated health.
Physical Functioning2PCSModerate activity and stair-climbing limits.
Role-Physical2PCSPhysical-health limits on work or usual activities.
Pain1PCSRecent bodily pain level.
Role-Emotional2MCSEmotional-problem limits on work quality or completion.
Emotional Well-being2MCSRecent calmness and low mood frequency.
Energy / Fatigue1MCSRecent energy response.
Social Functioning1MCSHealth interference with social activity.

The physical mean averages General Health, Physical Functioning, Role-Physical, and Pain. The mental mean averages Role-Emotional, Emotional Well-being, Energy / Fatigue, and Social Functioning. The overall mean averages the eight displayed domains. The balance label changes when the PCS and MCS means differ by at least 4 points.

Displayed reading aid Boundary Meaning inside this report
Lowerscore < 50Domain is below the default watch threshold.
Mid-range50 <= score < 75Domain is between the watch and anchor zones.
Higher / Anchorscore >= 75Domain is treated as a stronger comparison point.
Largest gapdomain - mean <= -10Domain trails the current profile mean by at least 10 points.
Strong supportdomain - mean >= 10Domain is at least 10 points above the current profile mean.

Limitations and Privacy Notes:

This page is informational. It can help organize self-reported health patterns, but it cannot diagnose illness, choose treatment, or replace official SF-12 scoring when formal reporting is required.

  • Use official scoring materials when a study, clinic, registry, or publication requires licensed PCS-12 or MCS-12 scores.
  • Seek qualified care for sudden decline, severe symptoms, unsafe daily function, or distress that feels urgent.
  • Answers are scored in the browser during the assessment, but copied links, CSV files, chart images, and DOCX exports can contain sensitive health information.

Advanced Tips:

  • Use Domain score table before sharing a summary because it shows the exact band and guidance for each domain.
  • Check Gap vs support map when the overall mean looks reasonable but one domain feels out of step with the rest of the profile.
  • Use Answer review to verify any low domain before acting on it. A mistaken radio choice matters more in a 12-item form than in a longer survey.
  • For repeat checks, keep the same four-week recall frame and compare the same domain first, especially when illness, travel, recovery, or stress changed between runs.
  • Treat exported charts and copied links as health records for practical privacy purposes, even when they are only used for personal follow-up.

Worked Examples:

One weak domain inside a moderate profile

A completed run shows an overall mean of 68.5, PCS of 76.0, MCS of 61.0, and Energy / Fatigue at 40.0. The average suggests a mid-to-strong profile, but Domain rank map and Domain score table make energy the first area to inspect.

Balanced means with low function

Another run shows PCS of 46.5 and MCS of 45.8. The balance label may be close to even, but both summaries are below the default watch threshold. The next step is to compare the lowest domains and check the answer rows, not to treat balance as reassurance.

Wide spread across domains

A profile with Pain at 100.0 and Social Functioning at 25.0 has a domain spread of 75.0 points. That spread shows an uneven month. It does not tell whether social activity changed because of symptoms, mood, logistics, recovery, or another cause.

No completed report

If the progress label is still below 12/12 answered, the score summary and charts stay hidden. Use the question navigator to find the row without a check mark, answer it, and then review the completed profile.

FAQ:

Are the PCS and MCS values official SF-12 scores?

No. They are simple means of the displayed 0-to-100 domain scores. Formal PCS-12 and MCS-12 reporting uses manual-based, norm-referenced scoring.

Why do all 12 items need answers?

Each displayed domain depends on one or two items. The report stays hidden until 12/12 answered so the domain profile is not built from a partial answer set.

What should I check when a score looks wrong?

Open Answer review and inspect the item, response, and domain behind the low value. A single mistaken answer can shift a short-form profile noticeably.

Can I compare this with published SF-12 studies?

Use caution. Published studies often report norm-based PCS-12 and MCS-12 values, while this page shows transparent 0-to-100 domain means and within-tool summaries.

What does a copied result link include?

The result link can preserve the current answer pattern so the completed report can reopen. Share it only with someone you trust to see the health answers and scores.

Glossary:

Health-related quality of life
How health affects function, comfort, mood, energy, roles, and participation in daily life.
Domain
One displayed health concept built from one or two SF-12 items.
PCS
The displayed physical summary mean for General Health, Physical Functioning, Role-Physical, and Pain.
MCS
The displayed mental summary mean for Role-Emotional, Emotional Well-being, Energy / Fatigue, and Social Functioning.
Domain spread
The point difference between the strongest and weakest displayed domain in the same run.
Norm-based score
A score interpreted against a reference population, commonly centered so 50 represents an average reference value.

References: