|  |  | 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   Respiratory and Allergy History | x | x |  |  |  |  |  |  |  |  |  |  |  |
   Smoking History and Alcohol Use | x |  |  |  |  |  |  |  |  |  |  |  |  |
Child's Health Questionnaires | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
   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†|  |  |  |  |  |  |  |  |  |