For the patient. Study recruitment efforts successful for low-income populations.
D000328:Adult; D001741:Black or African American / Q000523:psychology*; D000367:Age Factors; D015142:Baltimore; D005260:Female; D006304:Health Status; D006801:Humans; D007182:Income; D008297:Male; D008875:Middle Aged; D010358:Patient Participation; D035842:Research Subjects / Q000523:psychology*; D012737:Sex Factors; D012923:Social Class; D014504:Urban Health; D044465:White People / Q000523:psychology*