Health status of children.
D000293:Adolescent; D002170:Canada / Q000453:epidemiology; D002423:Cause of Death / Q000639:trends; D002648:Child; D002669:Child Welfare; D002675:Child, Preschool; D004522:Educational Status; D006304:Health Status; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000639:trends*; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D010290:Parents / Q000193:education; D011159:Population Surveillance / Q000379:methods; D012111:Residence Characteristics / Q000706:statistics & numerical data; D012959:Socioeconomic Factors; D013405:Suicide / Q000706:statistics & numerical data / Q000639:trends