Age 2 – 18 years (mean 11 years)
Year 2009 – ongoing
Wave Survey 1
(completed 1 week before Clinic Visit 1)
Clinic Visit 1/Survey 2 Clinic Visit 2
(1 week after Clinic Visit 1)
Birth weight P:SDV *
Birth length P:SDV *
Gestational age/prematurity P:SDV *
Delivery mode P:SDV *
Neonatal complications/interventions P:SDV *
Length of hospital stay P:SDV *

Featured measurements

HopSCOTCH: Shared Care Obesity Trial in Children derived
LSAC: Longitudinal Study of Australian Children derived
NHS: National Health Survey (Australian Bureau of Statistics, 2004/05) derived
SDV: Study Devised Variable


* Birth, pregnancy and maternal health questions in COBRA are shared between COBRA, HopSCOTCH, LSAC, and the National Health Survey 2004/05


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
XBF = Pertaining to biological father
XBM = Pertaining to biological mother
XC = Pertaining to index child
XF = Pertaining to father
XFam = Pertaining to family
XG = Pertaining to grandparent(s)
XM = Pertaining to mother
XP = Pertaining to parent(s)
XPa = Pertaining to partner
XPe = Pertaining to peers
XPr = Pertaining to primary caregiver
XSi = Pertaining to sibling(s)