Dummy- and finger-sucking habits with special attention to their significance for facial growth and occlusion. 2. Background variables.
D000367:Age Factors; D001722:Birth Order; D002648:Child; D003766:Dental Occlusion; D004522:Educational Status; D005260:Female; D005386:Fingersucking; D006801:Humans; D008297:Male; D008445:Maxillofacial Development; D012111:Residence Characteristics; D012737:Sex Factors; D012801:Sibling Relations; D012959:Socioeconomic Factors; D013391:Sucking Behavior