New methodological approaches were able to effectively reduce immeasurable time bias in case-only designs.
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DOI: 10.1016/j.jclinepi.2020.11.004
Abstract: OBJECTIVE To assess approaches to reduce immeasurable time bias in case-crossover (CCO), case-time-control (CTC), and case-case-time-control (CCTC) designs. STUDY DESIGN AND SETTING We used Korea's healthcare database that has inpatient and outpatient prescriptions and an… read more here.
Keywords: time; case; time bias; reduce immeasurable ... See more keywords
Evaluation of Nonresponse Bias in a Case–Control Study of Pleural Mesothelioma
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DOI: 10.3390/ijerph17176146
Abstract: Nonparticipation limits the power of epidemiological studies, and can cause bias. In a case–control study on pleural malignant mesothelioma (MM), we found low participation in interviews (63%) among controls. Our goal was to characterize nonresponder… read more here.
Keywords: nonresponse bias; study; bias; case control ... See more keywords