Effects of differential measurement of predictors in events and nonevents in four scenarios. Mean c‐statistic, median calibration slope, and mean Brier score (standard deviation) averaged over 10 000 repetitions for a single‐predictor logistic regression model under four specific measurement error structures varying in the degree of random measurement variance under the differential measurement error model (Equation 1). By default,
is set to 1.0. When
, measurements are more precise in cases. When
, measurements are less precise in cases