Fig. 4From: Using joint models to disentangle intervention effect types and baseline confounding: an application within an intervention study in prodromal Alzheimer’s disease with Fortasyn ConnectSchematic representation of a joint model. β2 and β3 denote the constant respectively time-varying indirect intervention effect on the longitudinal marker, α is the effect of the longitudinal marker on the survival outcome and γ1 is the direct effect on the survival outcomeBack to article page