Wearable-derived daily steps and first recorded cardiovascular diagnoses: outpatient and acute care in All of Us

In an All of Us landmark cohort of 8,292 participants, each 3,299 steps/day increase was linked to lower odds of first recorded cardiovascular diagnoses in both outpatient (OR 0.786) and acute care (OR 0.659).

• Why it matters: Prior work links wearable steps to cardiovascular health, but it is less clear whether step levels relate to where cardiovascular disease is first recorded in electronic health records.
• What they did: Using linked Fitbit, survey, and EHR data, daily steps were averaged over the year before baseline; multinomial models adjusted for age, sex at birth, and smoking and drinking categories.
• The result: In this selected cohort, the inverse associations versus no recorded CVD persisted across hypothetical allocations of 455 missing-setting cases, while the acute-care-versus-outpatient contrast was less conclusive.

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