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)
General physical health P:SDV
P:PedsQL-4.0 1
S:PedsQL-4.0 1
Weight related issues
(see condition specific information)
Medical history P:SDV P:SDV
Allergy history P:SDV
Medical conditions P:SDV
Health services utilisation P:SDV 3
Operations/surgical procedures P:SDV
Hospitalisation P:SDV
Immunisations P:SDV
Family medical history P:SDV 3 BM M BF F G Si
Pregnancy illnesses/infections/interventions P:SDV 4
Quality of life P:PedsQL-4.0 1
S:PedsQL-4.0 1
S:Kessler-K10 5
(acne, hirsutism, acanthosis
nigricans, intertrigo, striae)
Clinical examination
(cardiovascular, respiratory, abdominal,
general appearance – dysmorphism,
affect, body proportions)
Blood pressure (measured) O

Featured measurements

HopSCOTCH: Shared Care Obesity Trial in Children derived
Kessler: The Kessler Psychological Distress Scale (K10 version)
LSAC: Longitudinal Study of Australian Children derived
NHS: National Health Survey (Australian Bureau of Statistics, 2004/05) derived
PedsQL-4.0: Pediatric Quality of Life Inventory – 4.0 Generic Core Scales
SDV: Study Devised Variable
SMU: Sizing Me Up
STU: Sizing Them Up


1 Age appropriate PedsQL-4.0 used – from age 3 years for parent report, from age 8 years for self report
2 Age appropriate STU used – from age 5 years for parent report
3 Health questions in COBRA are shared with HopSCOTCH
4 Birth, pregnancy and maternal health questions in COBRA are shared between COBRA, HopSCOTCH, LSAC, and the National Health Survey 2004/05
5 Self report Kessler asked of teen (13+ year old) participants only


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)