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Maternal and Child Health Journal

, Volume 19, Issue 9, pp 1925–1935 | Cite as

Maternal Recall Versus Medical Records of Metabolic Conditions from the Prenatal Period: A Validation Study

  • Paula Krakowiak
  • Cheryl K. Walker
  • Daniel J. Tancredi
  • Irva Hertz-Picciotto
Methodological Notes

Abstract

To assess validity of maternally-reported diabetes and hypertensive disorders, and reliability of BMI measurements during periconception and pregnancy compared with medical records when mothers are interviewed 2–5 years after delivery. To investigate whether reporting accuracy differed by child’s case status (autism, delays, typical development). Participants were mothers of 2–5 year old children with and without neurodevelopmental disorders from the CHARGE (CHildhood Autism Risks from Genetics and the Environment) Study who had both prenatal/delivery records and telephone interviews. Sensitivity and specificity of self-report in telephone interview was assessed by comparison with medical records; agreement was evaluated by kappa statistics. Deviations in reported BMI were evaluated with Bland–Altman plots and concordance correlation coefficient (CCC). Mothers of children with neurodevelopmental disorders (autism or developmental delay) reported metabolic conditions slightly more accurately than control mothers. For diabetes, sensitivity ranged from 73 to 87 % and specificity was ≥98 % across groups. For hypertensive disorders, sensitivity ranged from 57 to 77 % and specificity from 93 to 98 %. Reliability of BMI was high (CCC = 0.930); when grouped into BMI categories, a higher proportion of mothers of delayed children were correctly classified (κwt = 0.93) compared with the autism group and controls (κwt = 0.85 and κwt = 0.84, respectively; P = 0.05). Multiparity was associated with higher discrepancies in BMI and misreporting of hypertensive disorders. For purposes of etiologic studies, self-reported diabetes and hypertensive disorders during periconception and pregnancy show high validity among mothers irrespective of child’s case status. Recall of pre-pregnancy BMI is reliable compared with self-reported values in medical records.

Keywords

Validation study Diabetes Preeclampsia Hypertension Body mass index Pregnancy Neurodevelopmental disorders 

Notes

Acknowledgments

This research was supported by the National Institutes of Health (P01 ES11269 and R01 ES015359), the U.S. Environmental Protection Agency through the Science to Achieve Results (STAR) program (R829388 and R833292) and by the MIND Institute, University of California, Davis. The authors would like to thank the CHARGE Study participants and staff for their dedication and effort.

Conflict of interest

None of the authors have any financial relationships or conflict of interest relevant to this article.

Supplementary material

10995_2015_1723_MOESM1_ESM.docx (241 kb)
Supplementary material 1 (DOCX 240 kb)

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Paula Krakowiak
    • 1
    • 2
  • Cheryl K. Walker
    • 2
    • 3
  • Daniel J. Tancredi
    • 4
  • Irva Hertz-Picciotto
    • 1
    • 2
  1. 1.Divisions of Epidemiology and of Environmental and Occupational Health, Department of Public Health Sciences, School of MedicineUniversity of CaliforniaDavisUSA
  2. 2.MIND (Medical Investigations of Neurodevelopmental Disorders) InstituteUniversity of CaliforniaDavis, SacramentoUSA
  3. 3.Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, School of MedicineUniversity of CaliforniaDavisUSA
  4. 4.Department of Pediatrics, School of MedicineUniversity of CaliforniaDavisUSA

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