America's Future · 80th Anniversary

Cohort Watch

A check-before-you-decide tool: run a population cohort through it to see its risk, screening gaps, and where one intervention closes the biggest gap. Aggregate only — never a person-level record.

What one action helps most

Rural adults 50–64 — colorectal screening

Close the screening gap — biggest lever

47% of this cohort has an open screening gap; one outreach push closes the largest share of risk.

Highest intervention-priority of 6 cohorts

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Intervention-priority score

priority = screening gap × risk weight × log₁₀(size). The biggest closable gap — a high gap, in a high-risk group, over a meaningful population — rises first. It is a signal to act, not a diagnosis.

Cohorts

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Cohorts watched

How many aggregate population groups are being tracked here. Each is a summary — never a list of people.

6

People watched

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Total people

The total headcount across all cohorts — a count only. Aggregate, never person-level.

108,350

Est. open gap

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Estimated open screening gap

An order-of-magnitude estimate of people with an open screening gap: each cohort's size × its gap %, summed. It sizes the opportunity — a planning signal, not a count of named individuals.

34,195

≈ 31.6% avg gap

High-gap cohorts

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High-gap cohorts

Cohorts where 40% or more have an open screening gap — the groups where one outreach push closes the most.

2

Gap band:
Showing 6 of 6 cohorts
  1. Rural adults 50–64 — colorectal screeningHigh gap · 47%18,400 peoplerisk 82%164priority
  2. Veterans 65+ — diabetic eye examsHigh gap · 41%9,600 peoplerisk 74%121priority
  3. Women 40–49 — mammographyModerate gap · 33%22,100 peoplerisk 55%79priority
  4. Adults 65+ — pneumococcal vaccinationLow gap · 19%12,300 peoplerisk 69%54priority
  5. Adults 18–39 — hypertension follow-upModerate gap · 28%31,200 peoplerisk 38%48priority
  6. Children 2–6 — well-child visitsLow gap · 22%14,750 peoplerisk 48%44priority

Provable-first: this digest is a SHA-256 over the exact aggregate numbers and published method behind the ranking above — so anyone can confirm nothing was hidden.

ranking.audit
$ rank 6 cohorts
method: gap × risk × log10(size)
sha256: 0e251e0f36bd8971be5a64913504a3526a273e94cdfe9adfa9a4b02506427cb4
scope: aggregate-only · no person-level rows

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