Objective To explore the prevalence and impact factors of chronic diseases among residents in Huai'an city,and establish health education based comprehensive interventions. Methods A questionnaire survey was conducted among 3347 subjects who were selected by using stratified multi-stage cluster random sampling during the second half year of2012 in Huai'an City. The data were analyzed via χ2-test and logistic regression. Results Among all participants,795 subjects suffered one or more chronic diseases,which ...