Trial Procedures
Allocation was concealed using an online application (REDCap [Vanderbilt University]). Randomly permuted blocks of 2 and 4 were used, and randomization was stratified by primary care site. Outcomes were assessed in a blinded fashion, but participants could not be blinded to whether they received free medicine distribution. Usual access to health care services, including outpatient care, laboratory testing, imaging, and inpatient care, was provided to all participants.Participants allocated to the free medicine distribution group received free access to 128 essential medicines (listed in the eMethods in 