title: Arthritis prevalence and activity limitations in older adults.
abstract: OBJECTIVE
  To evaluate the prevalence of arthritis and activity limitations among older Americans by assessing their demographic, ethnic, and economic characteristics.
  
  
  METHODS
  Data from the Asset and Health Dynamic Survey Among the Oldest Old (AHEAD), a national probability sample of community-dwelling adults born before 1924, were analyzed cross-sectionally. Arthritis that resulted in a physician's visit or a joint replacement not associated with a hip fracture was ascertained by self-report.
  
  
  RESULTS
  The prevalence of arthritis in older adults ranged from 25% in non-Hispanic whites to 40% in non-Hispanic blacks to 44% in Hispanics. A higher prevalence of arthritis was associated with less education as well as lower income and less wealth. The prevalence of limitations in activities of daily living (ADL) among non-Hispanic white, non-Hispanic black, and Hispanic adults who reported arthritis only was 29%, 30%, and 37%, respectively, and increased to 48%, 57%, and 56%, respectively, among those reporting arthritis plus other chronic conditions, after adjustment for age and sex.
  
  
  CONCLUSIONS
  Non-Hispanic black and Hispanic older adults reported having arthritis at a substantially higher frequency than did non-Hispanic whites. In addition, Hispanics reported higher rates of ADL limitations than did non-Hispanic whites with comparable disease burden. Further study is needed to confirm and elucidate the reasons for these racial and economic disparities in older populations.
authors.affiliation: Institute for Health Services Research and Policy Studies, Northwestern University, Evanston, Illinois 60208, USA.
authors.forename: D D
authors.initials: DD
authors.lastname: Dunlop
authors.forename: L M
authors.initials: LM
authors.lastname: Manheim
authors.forename: J
authors.initials: J
authors.lastname: Song
authors.forename: R W
authors.initials: RW
authors.lastname: Chang
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D000369:Aged, 80 and over; D001168:Arthritis / Q000453:epidemiology* / Q000208:ethnology; D003625:Data Collection; D006801:Humans; D015995:Prevalence; D044469:Racial Groups; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires