Wave IYAGS (telephone interview) CHART (clinical review)
Age Mothers: 37 Р71 years; Offspring: 18 Р28 years Offspring: 22-35 years
Year data collected 2009 – 2011 2014, 2016-2017
Time period(s) covered Conception
to first year of life
Before school
(~1-5 years)
Primary school
(~6-13 years)
Secondary school
(~13-18 years)
Birth weight P:SDV
Small/large for gestational age P:SDV 1
Gestational age/prematurity P:SDV
Labour P:SDV
Delivery mode P:SDV
Obstetric complications/interventions
(during delivery)
Neonatal care
(intensive, special care, transfer
to another hospital for specialist care)
Birth defects P:SDV 2

Featured measurements

ICD-10: International Classification of Diseases - version 10
SDV: Study Devised Variable
VBDR: Victorian Birth Defects Register


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
X 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)