Andrea B Bontrager Yoder, Janice L Liebhart, Daniel J McCarty, Amy Meinen, Dale Schoeller, Camilla Vargas, Tara LaRowe
Farm to elementary school programming increases access to fruits and vegetables and increases their consumption among those with low intake
Journal of nutrition education and behavior
wellingtondufferinguelph public health wdgph conducted absenteeismbased influenza surveillance program wdg region ontario canada since 2008 using 10 absenteeism threshold raise alert implementation mitigating measures recent study indicated modelbased alternatives distributed lag seasonal logistic regression models provided improved alerts detecting upcoming epidemic however model evaluation selection primarily based alert accuracy measured false alert rate far failed optimize timeliness new metric simultaneously evaluates epidemic alert accuracy timeliness proposed alert time quality atq metric investigated model selection criterion simulated real data set atq assessed alerts gradient alerts raised incrementally optimal day considered informative penalized lack timeliness summary statistics atq average alert time quality aatq first alert time quality fatq used model evaluation selection alerts raised atq far selected models compared daily elementary school absenteeism laboratoryconfirmed influenza case data collected wdgph used demonstration evaluation proposed metric simulation study mimicked wdg population influenza demographics conducted evaluation proposed metric fatqselected model raised acceptable first alerts frequently aatqselected model raised first alerts within ideal range frequently models selected either fatq aatq would effectively predict community influenza activity local community selected far