Epidemiologic analysis in school populations as a basis for change in school-nursing practice--report of the second phase of a longitudinal study.
D000041:Absenteeism; D000367:Age Factors; D001290:Attitude; D002648:Child; D003691:Delaware; D005191:Family Characteristics; D005500:Follow-Up Studies; D006801:Humans; D009723:Nurse-Patient Relations; D010290:Parents; D012111:Residence Characteristics; D012572:School Health Services; D012573:School Nursing; D012923:Social Class