Factors associated with ED use by "repeater" and "nonrepeater" patients.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001294:Attitude to Health; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D006297:Health Services Accessibility; D006300:Health Services Misuse; D006801:Humans; D008297:Male; D008875:Middle Aged; D012959:Socioeconomic Factors