title: Analysis of mobility and change in a longitudinal sample.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002140:California; D003710:Demography; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011157:Population Dynamics; D011177:Postal Service; D012494:Sampling Studies; D012922:Social Change; D012959:Socioeconomic Factors; D014171:Transients and Migrants; D014505:Urban Population