Abstract: BACKGROUND: Cohort studies of veterans are critical for understanding the long-term health effects of deployment and toxic exposures. However, longitudinal research is …
Abstract: BACKGROUND: Many segments of the population are underrepresented in biomedical research (UBR). Lack of diversity in health research limits understanding of individual and …
Abstract: Background: Surveys are a useful tool for eliciting self-reported health information, but the accuracy of such information may vary. We examined the agreement between …
Abstract: BACKGROUND: Since 1997, research on Gulf War illness (GWI) has predominantly used 3 case definitions-the original Research definition, the CDC definition, and …
Abstract: Patterns of survey response and the characteristics associated with response over time in longitudinal studies are important to discern for the development of tailored …
Abstract: Background: Understanding how SARS-CoV-2 infection impacts long-term patient outcomes requires identification of comparable persons with and without infection. We report …
Abstract: Altering cover letter information to reduce non-response bias in trauma research could inadvertently leave survey participants unprepared for potentially upsetting …
Abstract: To study patient physiology throughout a period of acute hospitalization, we sought to create accessible, standardized nationwide data at the level of the individual …
Abstract: Research participant recruitment is often fraught with obstacles. Poor response rates can reduce statistical power, threaten both internal and external validity, and …