Economic aspects of multiple sclerosis. I. A method for classification of income of families of different sizes and compositions and its application in a longitudinal study of multiple sclerosis.
D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005191:Family Characteristics / Q000145:classification; D005260:Female; D006801:Humans; D007182:Income / Q000145:classification; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis; D009820:Ohio; D012737:Sex Factors; D012922:Social Change / Q000145:classification; D012959:Socioeconomic Factors / Q000145:classification*; D014505:Urban Population