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Table 2 Study Activities in the CREW Standardized Data Collection Protocol*

From: The Children’s Respiratory and Environmental Workgroup (CREW) birth cohort consortium: design, methods, and study population

 

Age (in years)

1–4

5–7

8–10

11–13

14–17

> 18

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+ 12 mon

+ 12 mon

+ 12 mon

+ 12 mon

+ 12 mon

+ 12 mon

Time

2.0 h

3.0 h

3.0 h

3.0 h

3.0 h

3.0 h

Essential procedures

 Consent/Assent

x

x

x

x

x

x

 Eligibility

x

x

x

x

x

x

 Distribute home collection kits

x

x

x

x

x

x

 PE and anthropomorphics

x

x

x

x

x

x

 Questionnaires

x

x

x

x

x

x

 Blood

x

x

x

x

x

x

 Urine

x

x

x

x

x

x

 Stool

x

x

x

o

x

o

 Nasal wash/blow/lavage

w

b

l

l

l

l

 Home dust collection

x

     

 Spirometry

  

x

x

x

 

 Spirometry w/ reversibility

 

x

o

o

o

x

 eNO

 

x

x

x

x

x

 AE collection

x

x

x

x

x

x

Optional procedures

 Nasal brushing

o

  

o

 

o

 Prick skin tests

o

o

o

o

o

o

 Phone call (Follow up)

x

x

x

x

x

x

  1. Abbreviations: w, nasal wash; b, nasal blow; l, nasal lavage; o, optional