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
General physical health S:PedsQL-4.0
Health services utilisation P:SDV
Health behaviours   S:CRISIS S:CRISIS
COVID-19 testing/infection   S:SDV 1 S:SDV 1
COVID-19 symptoms   S:SDV 1 S:SDV 1

Featured measurements

CRISIS: CoRonavIruS Health Impact Survey (various instruments)
ISAAC: International Study of Asthma and Allergy in Children adaptation
PedsQL-4.0: Pediatric Quality of Life Inventory – 4.0 Generic Core Scales
SDV: Study Devised Variable


1 Information collected fortnightly


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)