A sociomedical evaluation of back insufficincy.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001416:Back Pain / Q000534:rehabilitation*; D002648:Child; D004185:Disability Evaluation; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007182:Income; D007360:Intelligence; D008297:Male; D008875:Middle Aged; D009790:Occupations; D011602:Psychophysiologic Disorders / Q000534:rehabilitation*; D012050:Rehabilitation, Vocational; D012111:Residence Characteristics