title: Accuracy of parent-reported measles-containing vaccination status of children with measles.
abstract: OBJECTIVE
  The validity of parent-reported measles-containing vaccination history in children with measles has not been assessed. This study evaluated the accuracy of parental recall of measles-containing vaccination histories in Shenzhen, China.
  
  
  METHODS
  A retrospective study was performed to compare the data from the electronic records with parental recall. The electronic records were regarded as accurate data about the children's measles-containing vaccination status.
  
  
  METHODS
  We collected data from the National Notifiable Diseases Surveillance System and the Immunization Program Information Management System in Shenzhen city, China. Between 2009 and 2014, there were 163 children with measles who had electronic vaccination records; the vaccination status of these cases was reported by the parents in the field epidemiological investigation. We validated parental recall with electronic records.
  
  
  RESULTS
  The agreement between parental recall and electronic records was 78.7%. The kappa value was 0.57. The parent-reported measles-containing vaccination rate was higher than the electronic record (48.5% vs 41.7%, χ2= 53.64, P < 0.001). The true positive rate for parental recall was 82.4%, and the true negative rate was 75.8%. The positive predictive value was 70.9%, and the negative predictive value was 76.6%.
  
  
  CONCLUSIONS
  In children with measles, parental recall slightly overestimated the measles vaccination rate, and the vaccination status recalled by parents was in moderate agreement with the electronic record.
authors.affiliation: Department of Immunization Program, Shenzhen Center for Disease Control and Prevention, Shenzhen, China.
authors.forename: G
authors.initials: G
authors.lastname: Liu
authors.affiliation: Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China.
authors.forename: Z
authors.initials: Z
authors.lastname: Liao
authors.affiliation: Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China.
authors.forename: X
authors.initials: X
authors.lastname: Xu
authors.affiliation: Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Liang
authors.affiliation: School Clinic, Guangdong Medical University, Dongguan, China.
authors.forename: Y
authors.initials: Y
authors.lastname: Xiong
authors.affiliation: Department of Epidemiology and Biostatistics, Guangdong Medical University, Dongguan, China. Electronic address: david3847@sina.com.
authors.forename: J
authors.initials: J
authors.lastname: Ni
mesh_terms: D002675:Child, Preschool; D002681:China; D057286:Electronic Health Records; D005260:Female; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D008297:Male; D008457:Measles / Q000453:epidemiology; D008458:Measles Vaccine / Q000008:administration & dosage*; D011939:Mental Recall; D010290:Parents; D011237:Predictive Value of Tests; D012189:Retrospective Studies; D014611:Vaccination / Q000706:statistics & numerical data*
chemical_list: D008458:Measles Vaccine
keywords: China; Electronic records; Measles; Parent recall; Vaccination