Health Survey in a Peruvian health system (ENSSA): design, methodology and general results.

Objective: To report the design, methodology and initial results of the National Socioeconomic Survey of Access to Health of the EsSalud Insured.

Results: There were interviews in 25,000 homes, surveying 79,874 people, of which 62,659 were affiliated to EsSalud. The insured people are mainly males (50.