Objective:To explore psychological characteristics and influential factors of impulsivity of 8～12 years-old children with attention deficit hyperactivity disorder.Methods:70 children with ADHD and 126 controls and their parents were evaluated with BIS,SCARED,DSRSC,CSD,TMD and WCST.Results:①Children with ADHD showed significantly more impulsivity,higher anxious mood and depressive mood,lower social desirability,and time management disposition(P

Objective To study the prevalence rate and risk f ac tors of diabetes mellitus(DM) of the Dawor nationality in Qiqihar area,Heilongji ang Province.Methods Stratified-cluster sampling method was applied to the Dawor Nationality for the diabetes mellitus epidemiology sample investigation fr om 2001.11 to 2003.3 in the First Affiliated Hospital of Qiqihar Medical College .Results The prevalence rates of DM and IGT were 4.16% and 5.93% respectively,while the standard prevalence rates of DM and IGT were 2.96% and 4.54% respectively.The prevalence rates of DM and IGT were related to age、BIM、 WHR、the history of familial DM and hypertension.There is no significant differe nce between man and woman.Conclusion The prevalence rates of DM and IGT of Dawor in Qiqih ar are high in China and possibly also in the minorities.