Healthy user bias
Healthy user bias is a phenomenon often observed in epidemiological studies where individuals who regularly engage in activities beneficial to their health are less likely to suffer from certain diseases and conditions. This bias can lead to skewed results in observational studies, as these individuals are more likely to participate in such studies, and their health outcomes may not be representative of the general population.
Pronunciation
Healthy user bias: /ˈhɛlθi ˈjuːzər ˈbaɪəs/
Etymology
The term "healthy user bias" is derived from the observation that individuals who are health-conscious or "healthy users" of medical care and preventive services are often overrepresented in observational studies, leading to potential bias in the results.
Related Terms
- Observational study: A type of study in which individuals are observed or certain outcomes are measured. No attempt is made to affect the outcome (for example, no treatment is given).
- Epidemiology: The study and analysis of the distribution, patterns and determinants of health and disease conditions in defined populations.
- Bias (epidemiology): Systematic deviation of results or inferences from the truth, or processes leading to such deviation in scientific studies.
- Confounding: A distortion of the association between an exposure and an outcome that occurs when the study group is not representative of the population.
- Selection bias: A distortion of a statistical analysis, resulting from the method of collecting samples.
See Also
External links
- Medical encyclopedia article on Healthy user bias
- Wikipedia's article - Healthy user bias
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