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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: On the use of propensity scores in case of rare exposure

Fig. 2

Effect of exposure prevalence. Bias of exposure effect, variability ratio, 1 - coverage and RMSE according to prevalence p of exposure and mean sample size, for one continuous and one dichotomous confounder, σ U,B =σ U,C =0.3, σ B,C =0, \(\exp (\delta _{B}) = \exp (\delta _{C}) = 1.5\), r c =50 % and H R=1, with weighting by inverse of PS using ATE and ATT weights and PS-matching

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