title: Statistical notes from the New Beneficiary Data System.
mesh_terms: D000203:Activities of Daily Living; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015331:Cohort Studies; D016208:Databases, Factual; D004651:Employment / Q000706:statistics & numerical data*; D005260:Female; D006304:Health Status; D006801:Humans; D007182:Income / Q000706:statistics & numerical data*; D008297:Male; D017533:Marital Status / Q000706:statistics & numerical data; D008875:Middle Aged; D009017:Morbidity; D010415:Pensions / Q000706:statistics & numerical data; D010549:Personal Satisfaction; D012943:Social Security / Q000706:statistics & numerical data*; D014481:United States