Physical workload, ergonomic problems, and incidence of low back injury: a 7.5-year prospective study of San Francisco transit operators.

@article{Krause2004PhysicalWE,
  title={Physical workload, ergonomic problems, and incidence of low back injury: a 7.5-year prospective study of San Francisco transit operators.},
  author={Niklas Krause and Reiner Rugulies and David R. Ragland and S Leonard Syme},
  journal={American journal of industrial medicine},
  year={2004},
  volume={46 6},
  pages={570-85}
}
BACKGROUND The etiologic role of biomechanical factors for low back injury (LBI) needs to be confirmed in prospective studies that control for psychosocial factors. METHODS Complete baseline information on 1,233 vehicle operators was gathered during medical examinations and by questionnaire. First LBI during 7.5 years of follow-up was ascertained from insurance records. Hazard ratios and etiologic fractions were analyzed with Cox regression models stratified by injury severity and controlling… CONTINUE READING