Numerous studies suggest that the use of in-person, professionally trained medical interpreters can reduce health care costs associated with diagnosing and treating patients with limited English proficiency. However, few studies have specifically addressed the question of the cost-effectiveness of language services in health care settings. This study used a randomized controlled study design to compare the cost-effectiveness of using professional interpreters with Spanish-speaking patients seen in hospital emergency departments (EDs) versus using the usual language services available to these patients. The main goal of the study was to estimate the effect that professional interpreters have on resource utilization and patient/provider satisfaction in the ED compared to the language services usually offered in these settings. Our hypothesis was that use of trained interpreters would lead to more cost-effective provision of ED services.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
447
All treatment interpreters were certified bilingual in Spanish and English and had completed (1) at least 40 hours of training in medical terminology, ethics, patient privacy, and basic interpreting skills; and (2) an online course in protection of human subjects.
CentraState Healthcare System
Freehold, New Jersey, United States
Robert Wood Johnson University Hospital
New Brunswick, New Jersey, United States
Cost-effectiveness of in-person interpreters versus other language services
Time frame: June 2009
Satisfaction with ability to communicate
Time frame: June 2009
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