Innovations in the national household random sampling in Brazilian National Health Survey: results from Starfield and Shi's adult primary care assessment tool (PCAT).

During 2019, Brazil undertook important structural reforms in PHC based on a new financing model with the aim of inducing an improvement in efficiency and strengthening its attributes. It is essential that countries with universal health coverage (UHC) guarantee access to their population and, especially, the most vulnerable, seek better efficiency of these services and regularly assess PHC based on the population's perception, through an independent methodology that monitor the quality of services and the strength of PHC, generating value for public resources applied to health services.