Context-Attributable Risk
System context reduced predicted risk for most beneficiaries and amplified risk for a minority. CAR varied across racial groups, with Black beneficiaries showing higher amplification rates among those with positive CAR. Context-attributabl…
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System context reduced predicted risk for most beneficiaries and amplified risk for a minority. CAR varied across racial groups, with Black beneficiaries showing higher amplification rates among those with positive CAR. Context-attributable risk compared predicted acute care risk from the System Context Model with the Patient-Only Model. The CAR framework was interpreted as associative rather than causal. High fragmentation and limited provider access were associated with amplified contextual risk for some beneficiaries.