Consistency in children's perceptions of vulnerability to health problems.
D000293:Adolescent; D000367:Age Factors; D001294:Attitude to Health; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D010465:Perception; D012111:Residence Characteristics; D012737:Sex Factors; D013223:Statistics as Topic; D014481:United States