Since that time, the Hispanic proportion of the area has increased. (This corresponds to the ethnic/racial distribution in Table 1.) In 1995, 70% of those 18 years old had less than 12 years of school; 49.9% of the population lived below the poverty level, as defined by the federal government. The population served by clinic A is almost entirely Hispanic; many were not born in the U.S. The socioeconomic status of these patients is almost assuredly lower than those seen in clinic B.
The process measures met in the patients receiving nurse-directed care and usual care are shown in Table 2. Of the 10 process measures in Table 2, 7