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    • Social sciences
      • Children's experience of the first lockdown in France
      • Early language socialisation
      • Role of grandparents after a birth
      • Growing up in a family of immigrant origin in France
      • Caring and sharing: who looks after baby?
      • Socioeconomic inequalities in language and motor development
      • Becoming the parents of a boy or girl
      • Low birth weight and socioeconomic characteristics
      • Preparing for the birth: what choices, what influences?
      • Children's games: a reflection of their socialisation?
      • The math performance gap between girls and boys is non-existent before the first year of primary school
      • Boys' or girls' games? The role of siblings!
      • Early schooling at age 2 narrow the gaps in child development?
      • Children with special educational needs
    • Health
      • Sleep habits and sleep characteristics at age one year in the ELFE birth cohort study
      • European LifeCycle Project: a network of cohorts totalling 250,000 children to improve public health
      • Elfe participe à la construction des nouvelles courbes de croissance du périmètre crânien
      • Respiratory symptoms at 2 months and 1 year
      • BCG vaccination before 3 months
      • Early prenatal interview and antenatal education
      • Tobacco and alcohol use during pregnancy in France: The role of migrant status
      • Psychological distress and access to mental healthcare during pregnancy
      • Infant feeding practices and sleep
      • Neurodevelopment of children: mothers' diet during pregnancy under the microscope
      • Allergy risk: the importance of not diversifying infant diets too late
      • Paternity leave and fathers' mental health
      • The microbiota of toddlers under the microscope!
      • Accidents of everyday life from 1 to 10.5 years old
      • Ophthalmological impairments at five and a half years after preterm birth
    • Environment
      • Levels of pyrethroid pesticides in pregnant women
      • Analysis of pesticides in hair samples from pregnant women
      • Absorption of environmental pollutants during pregnancy
      • Dietary exposure to pesticide residues
      • Exposure to microorganisms in the home
      • Impact of occupational exposure to solvents during pregnancy on fetal growth
    • Cross-cutting research
      • Infant formula : social and health related factors
      • Determinants of dietary diversification
      • Duration of breastfeeding in France
      • Breastfeeding practices
      • Children's health and inequalities: a report by the Cour des Comptes documented by data from the Elfe study
      • Children's exposure to screens: are families following the recommendations?
      • L'influence de la fratrie sur le développement du langage des enfants à 2 ans
    • 10 years & 10 research advances
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    • Doctor and dentist survey
      • espace médecin
      • Espace chirurgien-dentiste - enquête santé Elfe
    • Survey at 10½ years
      • Biological part
    • School surveys
      • Survey in Year 4 of primary school
      • First-year primary school survey
      • Survey at nursery school
      • Stakeholders
    • Covid-19 survey
    • Agenda
      • Enquête en ligne à 11 ou 12 ans
      • Pilot survey on teenage years
      • Survey at 14 years old - teenagers
      • Survey at 14 years - parents
    • Lettres d’information
      • newsletter 6
    • Le coin des enfants >
      • C’est quoi Elfe ?
      • Graine d'Elfe - Journal d'information
      • Boîte à jeux
      • Mon expérience Elfe - Concours Elfe artiste
    • En coulisses >
      • From construction to a survey
      • Témoignages de familles
      • Parents Ambassadeurs
    • Le saviez-vous ?
      • happy new year
    • Family rights and data security
      • Confidentialité des données
      • RIGHTS OF PARTICIPANTS
  • What's new
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171 results
  • Associated researchers

    Associated researchers More than 150 researchers located all over France are actively involved in Elfe, working on more than 80 research projects across a wide range of disciplines. Research teams interested in working with us are invited to respond to …
  • Webinars for families

    Webinars for families Each year, the Elfe team produces an online conference to tell parents taking part in the study about forthcoming surveys and present all the latest findings. 2017 webinar with Elfe families An event moderated by Michel Blèze Pascau, …
  • Confidentialité des données

    Confidentialité des données La confidentialité des données des familles participantes est essentielle dans la réalisation de l’étude Elfe. Elle constitue une contrainte réglementaire quant au traitement des données à caractère personnel, mais elle est …
  • Enquête en ligne à 11 ou 12 ans

    Enquête en ligne à 11 ou 12 ans …
  • espace médecin

    espace médecin Comment vais-je être contacté(e) ? Comment connaître les patients concernés par cette enquête ? Comment estimer la durée de la consultation ? Je ne souhaite pas participer, que faire ? Comment les documents pour l’enquête me sont-ils …
  • Sleep habits and sleep characteristics at age one year in the ELFE birth cohort study

    Sleep habits and sleep characteristics at age one year in the ELFE birth cohort study The quality of sleep in early infancy is key to children’s physical and brain development. Sleep of insufficient quality or quantity has a negative impact on children’s …
  • Levels of pyrethroid pesticides in pregnant women

    Levels of pyrethroid pesticides in pregnant women The aim of the present study was to measure levels of pyrethroid metabolites i n the urine of pregnant women and attempt to identify their associated determinants . Urine samples were collected from 1077 …
  • Survey in Year 4 of primary school

    Survey in Year 4 of primary school To pursue this groundbreaking research on children’s learning, a similar initiative has been undertaken in primary schools in the autumn of 2020, generally involving Year 4 teachers. There are plans for further surveys …
  • European LifeCycle Project: a network of cohorts totalling 250,000 children to improve public health

    European LifeCycle Project: a network of cohorts totalling 250,000 children to improve public health The early years are a vital window of opportunity for improving children’s future health prospects across the lifespan. There is mounting evidence to …
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