Back discomfort prevalence and associated factors among bus drivers.
D001334:Automobile Driving; D019567:Back Injuries; D001416:Back Pain / Q000209:etiology / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D009333:Neck; D009784:Occupational Diseases / Q000517:prevention & control*; D009922:Oregon; D010146:Pain; D012785:Shoulder Joint; D013312:Stress, Physiological / Q000150:complications