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Table 1 Sampling schedule for ECUAVIDA cohort

From: Impact of early life exposures to geohelminth infections on the development of vaccine immunity, allergic sensitization, and allergic inflammatory diseases in children living in tropical Ecuador: the ECUAVIDA birth cohort study

Visit

Ante-natal

Birth

< 2 wks

3 mths

7 mths

13 mths

24 mths

3 years

5 yrs

8 yrs

Site

HPAB

HPAB

Home

HPAB/home

HPAB/home

Home

HPAB/home

HPAB/home

HPAB/home

Home

Child

          

   Questionnaire

 

X

X

 

X

X

X

X

X

X

   Faeces

 

X

X

X

X

X

X

X

X

X

   Blood

 

Xa

X

 

X

X

X

X

X

X

   Clinical exam

 

X

X

 

X

X

X

X

X

X

   Anthropometry

 

X

  

X

 

X

X

X

X

   SPT

      

X

X

X

X

   PFTs/BHR

         

X

   Mantoux test

         

X

Mother

          

   Questionnaire

X

X

X

X

      

   Faeces

X

X

X

       

   Blood

X

         

   SPT

          

Father

          

   Faeces

  

X

X

      

   SPT

          

Household

          

   GPS

  

Xb

  

Xb

    

   Dust

  

Xb

       

   Faeces

  

X

       
  1. Stool samples are collected also at 18 and 30 months. HPAB-Hospital Padre Alberto Buffoni in Quinindé, Esmeraldas Province; SPT-allergen skin test reactivity; PFTs-pulmonary function tests measured by spirometry; BHR-bronchial hyperresponsiveness or evidence of reversibility following β2 agonist; GPS-geographic positioning system measurements for mapping of households. a immunology sub-cohort only. b measurements repeated for change of address.