This report presents results of analysis of data from 5,215 noninstitutionalized persons with disabilities as reported in the 1979 and 1980 National Health Interview Survey, Home Care Supplement. Results are reported for the following assistance categories: assistance in basic physical activities; frequency of help in basic physical activities; assistance in selected instrumental activities of daily living; and correlates of assistance needs. A discussion notes that about 43 percent of persons living in the community who need assistance in basic life activities are nonelderly, that women outnumber men in needing assistance, that nonelderly adults are the most likely to use special equipment, and that nonelderly adults needing assistance make the greatest use of physician services. Implications of these findings for life-span planning of services are considered. About 30 tables present detailed data by type of activity or nature of assistance, age groups, sex, chronic health conditions, and how often someone must be present at home. An appendix documents the statistical methodology involved. (DB)