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)
Menarche P:AS-ICSM 1
History of gynaecological problems (females only) S:SDV
Fertility history S:SDV S:SDV
Cause of infertility P:SDV M
Length of time trying to conceive P:SDV M 2
Fertility/Assisted Reproductive Technologies (ART) P:SDV M
Pregnancy illnesses/infections/interventions P:SDV M
Hospitalisation during pregnancy P:SDV M

Featured measurements

AS-ICSM: Adolescence Scale
SDV: Study Devised Variable


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)