Exposure status and associations from univariate (crude OR) and multiple logistic regression analyses (adjusted OR) between pneumonia and livestock exposure variables. S. FreidlGudrun SpruijtIneke T. BorléeFloor A. M. SmitLidwien B. van Gageldonk-LafeberArianne J. J. HeederikDick YzermansJoris E. van DijkChristel MaassenCatharina B. M. van der HoekWim 2017 <p>The proportions of cases attributable to respective exposure is indicated by the population attributable fraction (PAF).</p>