Remove Health Policy Remove Health Services Research Remove Presentation Remove Social Determinants of Health
article thumbnail

Overadjustment – an important bias hiding in plain sight

International Journal of Epidemiology Blog

For example, overadjustment may occur if a researcher adjusts for health-related behaviours when trying to estimate the total effect of education on mortality (Figure 1). This is a problem because it is likely to lead to an underestimation of the effect of education on mortality.