Year 2011-2015 2011-2015 2020 2021
Wave Whole cohort Clinical sub-sample COVID Immune  (Baseline) COVID Immune (12 mth follow-up)
Age 10-14 years 10-14 years 15-24 years 16-25 years
Asthma/wheezing P:HN
P:ISAAC
P:SDV
P:SDV S:SDV S:SDV
Eczema P:HN
P:ISAAC
P:SDV
Family history of allergy P:HN
Food allergies S:CFARS
S:SDV
S:FAQLQ-CF
S:FAQLQ-TF
S:FAIM-CF
S:FAIM-TF
P:HN
P:SDV
P:SDV S:SDV S:SDV
Hay fever P:HN
P:ISAAC
P:SDV
Allergy action plan P:SDV
T:SDV
P:SDV
Epipen usage S:SDV
P:SDV
P:SDV
Impact of allergies on life P:SDV S:SDV S:SDV
Skin prick test P:SDV O:SPT
Oral food challenge O:OFC
History of allergy   S:SDV S:SDV

Featured measurements

CFARS: Chicago Food Allergy Research Surveys
FAIM: Food Allergy Independent Measure
FAQLQ: Food Allergy Quality of Life Questionnaire
HN: HealthNuts Study derived
ISAAC: International Study of Asthma and Allergy in Children adaptation
OFC: Oral Food Challenge (HealthNuts protocol)
SDV: Study Devised Variable
SPT: Skin Prick Test (HealthNuts protocol)

Legend

A = Administration report abstraction
C = Index child report (reporting on others)
L = Linkage (to other databases)
M = Medical records data abstraction
O = Observation/direct assessment
N = Nurse report
P = Parent/primary caregiver report
Pe = Peer report
S = Self report
T = Teacher report
X = Undefined
X BF = Pertaining to biological father
X BM = Pertaining to biological mother
C = Pertaining to index child
X F = Pertaining to father
X Fam = Pertaining to family
X G = Pertaining to grandparent(s)
X M = Pertaining to mother
X P = Pertaining to parent(s)
X Pa = Pertaining to partner
X Pe = Pertaining to peers
X Pr = Pertaining to primary caregiver
X Si = Pertaining to sibling(s)