Poppel, F.W. van

mortality 1.000 disease cluster decline death class infant cause cohort infant mortality netherland model level century effect study worker childhood mortality table difference childhood period health birth percentage trend person population analysis result region group determinant history signi information roman transition father catholic workers farmers foremen workers managers /professionals fever subject figure cluster analysis women increase variable mortality decline farmer laborer poppel religion childhood mortality levels number ficant change middle dutch family child mobility signi ficant cancer occupation 1900–22 adult wealth system child mortality 1883–99 urbanization percentage roman catholics husband period 18751879 27 causes scheme origin