Estonia Children cohort study

Study profile

Description

The Estonia Children cohort aimed to understand how SARS-CoV-2 VoC influence various factors and outcomes in children.

Countries involved: Estonia

Sample size: 127,277 children

    Metadata collected

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     Data collected?
    Demographics 
    Date of birth (full or MM/YY)
    Age at contact
    Sex / gender
    Country of birth 
    Ethnic group / race / population sector 
    Income level 
    Employment / occupation 
    Other socio-economic status proxy 
    Education level 
    Civil status (‘marital’) 
    Locality (of health care provision) 
    Locality (of residence)
    Household size 
    Household composition 
      
    Hospitalisation 
    Admission / discharge dates or duration
    Episode dates 
    Episode type (e.g., general; birth) 
    Diagnosis (e.g., codes) 
    Procedures (e.g., codes) 
    Procedures dates 
    Dispensed medications 
    ICU admission
    Admission type (planned/emergency) 
    Hospitalisation for COVID-19
      
    Primary care, outpatient care 
    Date of visit / contact 
    Diagnosis codes
    Dispensed medications codes 
    Dispensed medications date 
    Primary care utilisation summary 
      
    Health status and exposures 
    Height 
    Weight 
    Date of anthropometrics 
    Chronic / co-morbid conditions~
    Medications for chronic conditions 
    Smoker in household 
    Current smoker 
    ~ can include obesity 
      
    Vaccines 
    COVID-19 vaccine (timing, doses)
    Type of COVID-19 vaccine
    Other vaccinations / vaccination history 
      
    COVID-19 symptoms & contacts 
    COVID-19 episodes
    COVID-19 symptoms (type, severity, duration) 
    Influenza-like symptoms (type, timing, duration) 
    COVID-19 health-seeking behaviour 
    COVID-19 contacts in household 
    Medications during C-19 episode 
      
    Pregnancy & birth 
    Date of delivery 
    Length of gestation 
    Birthweight 
    Maternal age at delivery 
    Pregnancy complications 
    Smoking pre-pregnancy 
    Vaccines in pregnancy (non-COVID-19) 
    Parity / nulliparity 
    Pre-pregnancy body mass index 
    Pregnancy outcome (e.g. miscarriage) 
    Mode of delivery 
    Sex of baby 
    Congenital anomalies 
    Other newborn complications 
    Placental weight 
    Antenatal care usage 
    Currently pregnant 
      
    Death 
    Date of / age at death
    Cause of death
      
    COVID-19 laboratory tests 
    Sample type tested 
    Sample / specimen collection date 
    SARS-CoV-2 PCR test date
    SARS-CoV-2 PCR pos / neg result
    SARS-CoV-2 PCR Ct Value 
    SARS-CoV-2 LFT test date 
    SARS-CoV-2 LFT test result 
    Serology test date 
    Serology test results 
    SARS- COV-2 genomic test results 
    SARS- COV-2 variant/ lineage 
    Other lab tests 
      
    COVID-19 sample collection / storage 
    Sample type collected 
    Sample collection date 
    Sample collection time 
    Sample processing 
    Sample quality 
    Consent to use research sample 
    Consent to share research sample