الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
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Abstract
Low back pain is one of the most frequent musculoskeletal disorders. It is defined as pain between the costal margins and inferior gluteal folds, with or without referred leg pain.
Low back pain is a major health and socioeconomic problem and is associated with high costs, work absenteeism and disability worldwide. Most of people will experience back pain at some point in their life.
Our study included 1100 patients randomly collected from OPC within a period of 2 years to estimate the prevalence and causes of LBP in both sexes with variable occupations and ages ranged from 17 to 71 years old. Radiographs, CT or MRI were done.
Results
Sociodemographic data including age, occupation and obesity were of statistically significant value in prevalence of LBP.Lack of exercise is associated with higher prevalence of LBP. There are a number of psychosocial factors associated with LBP, including stress, anxiety and depression. Heavy physical work was strongly associated with the occurrence of LBP.The risk of prolonged sitting or standing jobs on LBP not confirmed in this study. 65 % of our patients had acute LBP (less than 6 weeks), 21% had chronic LBP (more than 12weeks), and 36% had previous similar attacks (recurrence) through the last year.The point prevalence in this study was 32%, the prevalence was divided into 3 categories physical worker 21 %, employee 8% and students 3%.The one year prevalence in this study was 60%. 56.3 % were diagnosed as having non specific LBP. 15.4% as herniated disc, 6% as spinal canal stenosis, 4% as seronegative spondyloarthropathies, 2.9% as acquired scoliosis, 0.9% as visceral disease, 1.1% as malignancy, 1.1% as infection, 1.7% as osteoporosis, 1.1% as fractures, 1.7% as spondylolisthesis, 2 % as congenital anomalies, 1.7% as fibromyalgia and 4% as others diagnoses .