Year ‚Č• 2008
Time Enrolment
Age Pregnancy and birth Early life 0-3 years Childhood 3-12 years Teenage 13-19 years
Animal exposure P:SDV
Personal hygiene P:SDV
Childcare P:SDV
Household smoking P:SDV
Smoking during pregnancy P:SDV
Environmental exposures P:SDV
S – self report
P – parent report
C – child report
T – teacher report
N – welfare nurse
O – observationXM: Mother
XF/P: Father/partner
XC: Child
XS: Sibling
XG: Grandparent
SDV: Study Devised Variable
ALSPAC: Avon Longitudinal Study of Parents and Children derived
ISAAC: International Study of Asthma and Allergy in Children adaptation