dag { A [pos="-2.200,-1.520"] B [pos="1.400,-1.460"] D [outcome,pos="1.400,1.621"] E [exposure,pos="-2.200,1.597"] Z [pos="-0.300,-0.082"] A -> E A -> Z [pos="-0.791,-1.045"] B -> D B -> Z [pos="0.680,-0.496"] E -> D }