Table 1

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

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


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).

*Also collected during respiratory illnesses

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.

Gern et al. BMC Pulmonary Medicine 2009 9:17   doi:10.1186/1471-2466-9-17

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