The personality of the back patient.
D000041:Absenteeism; D000328:Adult; D000437:Alcoholism; D001416:Back Pain; D004522:Educational Status; D005191:Family Characteristics; D006801:Humans; D007182:Income; D008161:Lumbosacral Region; D008297:Male; D008875:Middle Aged; D009790:Occupations; D010551:Personality; D005082:Physical Exertion; D012803:Sick Role; D012920:Social Behavior Disorders; D012923:Social Class; D019966:Substance-Related Disorders