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Non-participation bias in health services research using data from an integrated electronic prescribing project: the role of informed consent [Sesgo por falta de participación en la investigación de los servicios de salud al usar datos de un proyecto integrado de prescripción electrónica: el papel del consentimiento informado]

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Author(s)
Bartlett, Gillian
Tamblyn, Robyn M.
Kawasumi, Yuko
Poissant, Lise
Keywords
informed consent
non-participation bias
electronic prescribing
primary care physicians
GE Subjects
Economic ethics
Technology ethics
Bioethics
Health ethics
General theology/other

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URI
http://hdl.handle.net/20.500.12424/194177
Abstract
"Electronic prescribing potentially reduces adverse outcomes and provides critical information for drug safety research but studies may be distorted by non-participation bias. 52,507 patients and 28 physicians were evaluated to determine characteristics associated with consent status in an electronic prescribing project. Physicians with less technology proficiency, seeing more patients, and having patients with higher fragmentation of care were less likely to obtain consent. Older patients with complex health status, higher income, and more visits to the study physician were more likely to consent. These systematic differences could result in significant non-participation bias for research conducted only with consenting patients." ["La prescripción electrónica reduce, potencialmente, los resultados adversos. y proporciona información crítica para una investigación segura en drogas, pero los estudios pueden ser distorsionados por un sesgo por falta de participación. Se evaluó a 52.505 pacientes y a 28 médicos para determinar características asociadas con el estatus del consentimiento en un proyecto de prescripción electrónica. Los médicos con menor eficiencia tecnológica, con más cantidad de pacientes que, además, mostraban mayor fragmentación en su atención, presentaban menor opción de obtener consentimiento. Los pacientes de más edad, con estatus de salud complejo, mayor ingreso y con más visitas al médico a cargo, manifestaban mayor disposición a consentir. Estas diferencias sistemáticas podrían desembocar en un sesgo significativo por falta de participación en la investigación llevada a cabo sólo con pacientes con consentimiento."]
Date
2005
Type
Article
Copyright/License
With permission of the license/copyright holder
Collections
Research Ethics

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