Sociomedical aspects of low back pain causing prolonged sick leave. A retrospective study.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000437:Alcoholism / Q000453:epidemiology; D001416:Back Pain / Q000145:classification / Q000453:epidemiology* / Q000534:rehabilitation / Q000628:therapy; D004522:Educational Status; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000453:epidemiology; D008875:Middle Aged; D009664:Norway; D009790:Occupations; D012050:Rehabilitation, Vocational; D012189:Retrospective Studies; D012737:Sex Factors; D012959:Socioeconomic Factors; D014478:Unemployment