Table 1

Investigation Timeline

Recruitment/Birth

3 Months

6 Months

15 Months

2 Years

3 Years

4 Years

5 Years

6 Years

8 Years


QUESTIONNAIRE

Birth Details/Parity

x

Diet/Feeding Practices

x

x

x

x

x

Family Health

-Parental Health

x

x

x

-Siblings Health

x

x

x

x

x

x

x

x

Outcome Measures

-Asthma & Atopy

x

x

x

x

x

x

x

x

-Medication Use

x

x

x

x

x

x

x

x

-Healthcare Contacts

x

x

x

x

x

x

x

x

-Infections/Illnesses

x

x

x

x

x

x

x

Allergen Avoidance

x

x

Vaccinations

x

x

x

x

x

x

x

x

Indoor Environment

x

x

x

x

x

x

x

x

Smoking

x

x

x

x

x

x

Childcare

x

x

x

Exercise & Activity

x

Indoor Swimming Pools

x

OBJECTIVE MEASURES

Anthropometry

x

x

x

x

Cord Blood Collection

x

Dust Collection

-Childs bedroom floor

x

x

-Childs bed

x

x

Skin Prick Testing

x

x

Spirometry

x

Exhaled Nitric Oxide

x

Nitrogen Dioxide (home)

x

Hair Nicotine Sample

x

Blood Collection

x

MOTHERS

Diet

x

x

Anthropometry

x


Epton et al. BMC Public Health 2007 7:26   doi:10.1186/1471-2458-7-26

Open Data