COVID-19(8) Care(4) rural.(4) Abstract(4) Health(4) pandemic(3) Linear model(2) access(2) rural‐urban(2) the United State(2) Local(2) rural(2) Physicians(2) distress(2) Health disparities(2) Older(2) Health Service(2) mean difference(2) clinical trials(2) populations(2) increase(2) lack(2) Infection(2) Poor(2) CDC(2) hospitals(2) resource(2) Major(2) components(2) treating(2)