During the full 6-month intervention , care improved versus baseline in all practices , for Obesity for Early practices to 86.5 % , and for Late practices 88.9 % ; for Lead for Early practices to 87.5 % and Late practices 94.5 % ; and for Fluoride , for Early practices to 78.9 % and Late practices 81.9 % , all P < .001 compared with baseline .