Variables related to needs among the aged poor.
D000368:Aged; D000704:Analysis of Variance; D004032:Diet; D006233:Persons with Disabilities; D004522:Educational Status; D005260:Female; D006798:Housing; D006801:Humans; D007182:Income; D008297:Male; D010548:Personal Health Services; D011203:Poverty; D012424:Rural Population; D012934:Social Isolation; D011795:Surveys and Questionnaires; D014481:United States; D014505:Urban Population