Fig. 1

Temporal order of EHR visit data coarsened into yearly intervals. The baseline variables (W) included race (African American or Black/White), rural, sex, age², # comorbidities were recorded at the first visit of the study window. Each follow-up interval included time-varying covariates (L,; # hypertension medications and # primary care visits), an indicator of having received any nutrition care events during the interval (A_t); and an indicator of blood pressure control (Y_t) recorded at the last visit of each calendar year. The censoring variable (C_t) indicates a patient did not return for follow-up