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Table 1 Data collection schedule, Urban Environment and Childhood Asthma (URECA) Study.

From: The Urban Environment and Childhood Asthma (URECA) birth cohort study: design, methods, and study population

   

Ongoing Visits

Clinic Visits (number represents child's age in months)

 

Pre

3

QC

HV

12

24

33

36

48

60

72

81

84

General Questionnaires

             

   Screening and Eligibility – Mother

x

            

   Contact Information

x

x

x

 

x

x

x

x

x

x

X

x

x

   Demographics

x

   

x

x

 

x

x

x

X

 

x

   Socioeconomic status

x

   

x

x

 

x

 

x

  

x

Mother's Health Questionnaires

             

   Respiratory and Allergy History

x

x

           

   Smoking History and Alcohol Use

x

            

Child's Health Questionnaires

             

   Respiratory and Allergy Symptoms

 

x

x

 

x

x

x

x

x

x

X

x

x

   Child's Sleep Questionnaire

    

x

x

 

x

x

x

X

 

x

   Medications

 

x

x

 

x

x

x

x

x

x

X

x

x

   Diet

 

x

x

 

x

x

x

x

x

x

X

x

x

   Respiratory Illness Score Card

As often as illness is reported

Stress Assessment Questionnaires

             

   Pregnancy Anxiety Scale

x

            

   Edinburgh Postnatal Depression

x

x

  

x

x

 

x

 

x

  

x

   Perceived Stress Scale

x

x

x

 

x

x

x

x

x

x

X

x

x

   Difficult Life Circumstances

x

   

x

x

 

x

 

x

  

x

   Neighborhood/Block Conditions

x

   

x

x

 

x

     

   Neighborhood Violence

x

   

x

x

 

x

 

x

  

x

   Housing Stress

x

   

x

x

 

x

 

x

  

x

   Brief COPE

x

   

x

x

 

x

     

   Social Supports/Networks

x

   

x

x

 

x

     

Study Procedures

             

   Cord blood sample (at birth)

             

   Maternal blood sample

    

x

        

   Child blood sample

    

x

x

 

x

x

x

X

x

 

   Eczema Area and Severity Index

 

x

  

x

x

 

x

x

x

X

 

x

   Physical examination

    

x

x

 

x

x

x

X

 

x

   Nasal lavage sample*

    

x

  

x

 

x

  

x

   Allergen skin testing

      

x

  

x

  

x

   Spirometry and IOS

       

x

 

x

X

 

x

   Bronchodilator Reversibility

         

x

X

 

x

   Methacholine Challenge

           

x

 

   Lung Volume (Plethysmography)

           

x

 

   Exhaled Nitric Oxide

         

x

X

x

 

   Bioelectrical impedance analysis

    

x

x

 

x

x

x

X

 

x

Home Environment Assessment

             

   Household Smoking

 

x

x

 

x

x

x

x

x

x

X

 

x

   Home Environment Questionnaire

 

x

  

x

x

 

x

x

x

X

 

x

   Home Environment Observation

   

x

         

   Dust sample collection

 

x

 

x

         

   Airborne nicotine and NO2

 

x

 

x†

         
  1. Notes: PN = Prenatal Visit; 3 = 3-month Home Visit; QC = Quarterly Calls (occurring at 6, 9, 15, 18, 21, 27, 30, 39, 42, 45, 51, 54, 57, 63, 66, 69, 75, 78, and 81 months); HV = Home Visits (occurring once between each yearly clinic visit, except after age 5).
  2. *Also collected during respiratory illnesses
  3. †Collected at 3 months, and at age 4, 5 and 6. At age 5, the collection will occur in the opposite season from the age 4 sample.
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