Table 2 Principal exposure assessment methods used in the CHILD study to characterize the physical environment during early childhood.

From: The Canadian Healthy Infant Longitudinal Development (CHILD) birth cohort study: assessment of environmental exposures

Method exposure example

Questionnaires

Physical home assessment

Home dust samples

Biological specimens

GIS model

Common allergens (includes pets and pests)

X

X

X

  

Second-hand smoke

X

X

 

Urinary cotinine

 

Endotoxin

  

X

  

Dampness

X

X

   

Mold

X

X

X

  

Semi-volatile compounds

X

X

X

Urinary metabolites of phthalates

 

Traffic-related air pollution

X

 

X

 

X

Work, take-home exposures

X

    
Back to article page