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Table 1 Investigation Timeline

From: The New Zealand Asthma and Allergy Cohort Study (NZA2CS): Assembly, Demographics and Investigations

  Recruitment/Birth 3 Months 6 Months 15 Months 2 Years 3 Years 4 Years 5 Years 6 Years 8 Years
QUESTIONNAIRE
Birth Details/Parity x          
Diet/Feeding Practices x x x x      x  
Family Health           
   -Parental Health   x        x x
   -Siblings Health   x   x x x x x x x
Outcome Measures           
   -Asthma & Atopy   x   x x x x x x x
   -Medication Use   x   x x x x x x x
   -Healthcare Contacts   x   x x x x x x x
   -Infections/Illnesses   x   x x x x x x  
Allergen Avoidance          x x
Vaccinations   x   x x x x x x x
Indoor Environment   x   x x x x x x x
Smoking   x   x    x x x x
Childcare     x x x     
Exercise & Activity          x  
Indoor Swimming Pools          x  
OBJECTIVE MEASURES
Anthropometry x    x      x x
Cord Blood Collection x          
Dust Collection           
   -Childs bedroom floor   x   x       
   -Childs bed   x   x       
Skin Prick Testing     x      x  
Spirometry          x  
Exhaled Nitric Oxide          x  
Nitrogen Dioxide (home)          x  
Hair Nicotine Sample          x  
Blood Collection          x  
MOTHERS
Diet   x   x       
Anthropometry     x