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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.