Cardiovascular conditions of children 6-11 years and youths 12-17 years. United States, 1963-1965 and 1966-1970.

This report presents estimates of the prevalence of heart and other cikculatory conditions of children and ycpuths age 6 through 17 years in the' ioninstitutionalized population of the U.S. Estimatei are based on diagnostic impression data from the direct, standardized examination findings of the Health Examination Surveys among national probability samples representative of the 23.8 children age 6 through 11 years in 1563-65 and of the'22.7 million youths age 12-17 years in 1966-70. Findings are analyzed by age, sex, race,geographic region, urban-rural residence, annual family income, and in relation to other findings. Among children, about 570,000 have a signi4ficantly abnormal _heart or other circulatory condition. Among youths, more than 1 million have a significant cardiovascular condition. Among children nearly three-fourths of these conditions are colisidered congenital, while among youths nine percent are considered congenital. Thie prevalence of cardiovascular conditions is higher among Negro children and youths than among white groups, a higher among those living in the South or in rural areas, and higher among the unschooled and poor. Survey data are presented in 15 tables. Statistical.notes, definitions of demographic and socioeconomic terms, and medical history and' physical examination forms are appended. (Author/RH) NF -S0.83 HC-S3.50 Plus Postage. *Adolescents; Age Differences; *Cardiovascular System; *Children; Family Innome; Geographic Regions; *National Demography; *National Surveys; Parent __.Educfttion; Racial Differences; Rural Urban Differences; Sex Differencesi *Special Health Problems