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Author Vissing, N.H.; Jensen, S.M.; Bisgaard, H. url  doi
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  Title Validity of information on atopic disease and other illness in young children reported by parents in a prospective birth cohort study Type Journal Article
  Year (down) 2012 Publication BMC Medical Research Methodology Abbreviated Journal BMC Med Res Methodol  
  Volume 12 Issue Pages 160  
  Keywords Adult; Asthma/diagnosis/*epidemiology; Bias (Epidemiology); Child, Preschool; Common Cold/diagnosis/epidemiology; Data Collection/*standards; Denmark/epidemiology; Dermatitis, Atopic/diagnosis/*epidemiology; Environmental Exposure; Family Practice/standards; Female; Humans; Interviews as Topic; Life Style; Medical History Taking; Otitis Media/diagnosis/epidemiology; Parents/*psychology; Physicians, Family/psychology; Prospective Studies; Rhinitis, Allergic; Rhinitis, Allergic, Perennial/diagnosis/*epidemiology; Severity of Illness Index; Socioeconomic Factors  
  Abstract BACKGROUND: The longitudinal birth cohort study is the preferred design for studies of childhood health, particularly atopic disease. Still, prospective data collection depends on recollection of the medical history since the previous visit representing a potential recall-bias. We aimed to ascertain the quality of information on atopic disease and other health symptoms reported by parental interview in a closely monitored birth cohort study. Possible bias from symptom severity and socioeconomics were sought. METHODS: Copenhagen study on Asthma in Childhood (COPSAC) is a clinical birth cohort study of 411 children born of asthmatic mothers from 1999 to 2001. Child health is monitored at six-monthly visits with particular emphasis on atopic symptoms and infections. Data from the first three study years on 260 children was compared with records from their family practitioner as an external reference. RESULTS: A total of 6134 medical events were reported at the COPSAC interviews. Additional 586 medical events were recorded by family practitioners but not reported at the interview. There were no missed events related to asthma, eczema or allergy. Respiratory, infectious and skin related symptoms showed completeness above 90%, other diseases showed lower completeness around 77%. There was no meaningful influence from concurrent asthma or socioeconomics. CONCLUSIONS: The COPSAC study exhibited full sensitivity to the main study objectives, atopic disease, and high sensitivity to respiratory, infectious and skin related illness. Our findings support the validity of parental interviews in longitudinal cohort studies investigating atopic disease and illness in childhood.  
  Address Copenhagen Prospective Studies on Asthma in Childhood, The Danish Pediatric Asthma Center, Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Ledreborg Alle 34 2900 Hellerup, Copenhagen, Denmark. nadja.vissing@dbac.dk  
  Corporate Author Thesis  
  Impact Factor 02,270 First Author Vissing, N.H. Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Senior Author Bisgaard, H.  
  ISSN 1471-2288 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:23088330; PMCID:PMC3504537 Approved no  
  Call Number Serial 81  
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