Parent-reported birth information: birth weight, birth length and gestational age. Validation study in the SENDO

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Assessment of Child Anthropometry in a Large Epidemiologic Study
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Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

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Laura Moreno-Galarraga1, Noelia Álvarez-Zallo2, Asier Oliver-Olid3

  • 1Pediatrics Department, Complejo Hospital de Navarra, Servicio Navarro de Salud-Osasunbidea, Pamplona, Spain; IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.

Gaceta Sanitaria
|December 2, 2019
PubMed

Insights

Parent-reported birth weight and gestational age data are valid for epidemiological research, showing high correlations and excellent agreement even years after delivery. This study validates online questionnaires for collecting reliable birth information.

Area of Science:

  • Pediatric Epidemiology
  • Biostatistics
  • Public Health

Background:

  • Parent-reported data is often used in epidemiological studies.
  • The validity of retrospective parent-reported birth data collected via online questionnaires requires robust evaluation.

Purpose of the Study:

  • To assess the accuracy of parent-reported birth measurements (weight, length, gestational age) collected through an online questionnaire.
  • To determine the validity of using parent-reported birth data in long-term epidemiological research.

Main Methods:

  • Prospective cohort study (SENDO project) of Spanish children aged 4-6 years.
  • Comparison of parent-reported birth data with objective medical birth records.
  • Statistical analysis using intra-class correlation coefficients (ICC) and weighted Kappa index.

Main Results:

  • High response rates for birth weight (>99%) and gestational age (>99%).
  • Very high correlation for birth weight (ICC=0.95) and excellent agreement for gestational age (Kappa=0.90).
  • High correlation for birth length (ICC=0.78) and substantial agreement.

Conclusions:

  • Parent-reported birth data, particularly birth weight and gestational age, demonstrate high validity and agreement when collected via online questionnaires.
  • These findings support the use of parent-reported birth data in epidemiological research, even when collected years after the event.
  • Online self-administered questionnaires are a reliable tool for gathering accurate birth information for research purposes.
Abstract

Keywords:
Birth weightEdad gestacionalEstudios de validaciónGestational agePeso al nacerValidation studies

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