The IDEFICS cohort: design, characteristics and participation in the baseline survey

W Ahrens1, K Bammann, A Siani

  • 1Bremen Institute for Prevention Research and Social Medicine, University Bremen, Germany. ahrens@bips.uni-bremen.de

Insights

The Identification and prevention of dietary- and lifestyle-induced health effects in children and infants (IDEFICS) study collected extensive data on child health and lifestyle factors. This cohort provides a rich resource for understanding childhood obesity and related disorders.

Area of Science:

  • Pediatric Health and Nutrition
  • Public Health Research
  • Childhood Obesity Etiology

Background:

  • The European IDEFICS study aimed to determine causes of overweight and obesity in children.
  • It also focused on developing and evaluating a primary prevention program for diet- and lifestyle-related health issues.

Purpose of the Study:

  • This paper details the etiological aspects of the IDEFICS multicenter study.
  • It covers the measures, examinations, sociodemographic characteristics, and participation rates of the study sample.

Main Methods:

  • A prospective cohort study design with an embedded intervention component was used.
  • The study involved a baseline survey across eight European countries from 2007-2008.
  • Data collection included parent-reported information and objective measurements of children's health and lifestyle.

Main Results:

  • 16,224 children aged 2-9 years participated in the baseline cohort, with recruitment varying by country.
  • Comprehensive data were collected, including anthropometry (90%+), blood pressure (90%+), accelerometry (46%), fitness tests (35-41%), and biological samples (saliva, urine, blood).
  • Sociodemographic data revealed variations in income distribution across countries, with low-income groups notably represented in Cyprus, Italy, and Germany.

Conclusions:

  • The IDEFICS cohort offers valuable data for investigating the complex interplay of factors contributing to diet- and lifestyle-related disorders in children.
  • This includes social, environmental, genetic, physiological, and behavioral influences.
Abstract

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