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STUDY DESIGN Prospective population-based cohort study. OBJECTIVE To identify early predictors of chronic work disability after work-related back injury. SUMMARY OF BACKGROUND DATA Identification of early predictors of prolonged disability after back injury could increase understanding concerning the development of chronic, disabling pain, and aid in(More)
STUDY DESIGN Prospective, population-based cohort study. OBJECTIVE To examine whether prescription of opioids within 6 weeks of low back injury is associated with work disability at 1 year. SUMMARY OF BACKGROUND DATA Factors related to early medical treatment have been little investigated as possible risk factors for development of long-term work(More)
One pressing challenge facing the U.S. health care system is the development of effective policies and clinical management strategies to address deficiencies in health care quality. In collaboration with researchers at the University of Washington, the Washington State Department of Labor and Industries has created a communitywide delivery system(More)
BACKGROUND Problems of poor quality and high costs are worse in the workers' compensation system than in the general medical care system, yet relatively little work has been done to improve performance in workers' compensation healthcare. OBJECTIVE To evaluate the effect of a quality improvement intervention that provided financial incentives to providers(More)
OBJECTIVE To determine what aspects of patient satisfaction are most important in explaining the variance in patients' overall treatment experience and to evaluate the relationship between treatment experience and subsequent outcomes. DATA SOURCES AND SETTING Data from a population-based survey of 804 randomly selected injured workers in Washington State(More)
The proportion of working age citizens permanently removed from the workforce has dramatically increased over the past 30 years, straining both Federal and State disability systems designed as a safety net to protect them. Almost one-third of these rapidly emerging disabilities are related to musculoskeletal disorders, and three of the top five diagnoses(More)
OBJECTIVES To evaluate the reliability and diagnostic accuracy of high-resolution MRI of the median nerve in a prospectively assembled cohort of subjects with clinically suspected carpal tunnel syndrome (CTS). METHODS The authors prospectively identified 120 subjects with clinically suspected CTS from five Seattle-area clinics. All subjects completed a(More)
OBJECTIVE We identified predictive factors of long-term disability in new workers' compensation claims to guide secondary prevention research and target interventions for high-risk claims. METHODS Workers with 4 or more days of work disability resulting from workplace injuries were followed for approximately 6 years in a population-based retrospective(More)
STUDY DESIGN A population-based, prospective cohort study. OBJECTIVE To evaluate the association of early imaging and health and disability status 1 year following acute low back injury, among a population-based sample of Washington State workers' compensation claimants. SUMMARY OF BACKGROUND DATA Use of early diagnostic magnetic resonance imaging (MRI)(More)
STUDY DESIGN Workers' compensation back injury claimants completed baseline and follow-up telephone interviews in a prospective population-based cohort study. OBJECTIVE To compare the Roland-Morris Disability Questionnaire (RDQ) to widely used generic health status measures in a sample of workers with recent work-related back injuries in terms of(More)