Year 2011-2012 2011-2012 2011-2012 2013-2014 2014-2015
Wave 1 2 3 4a 4 5
Age 19 weeks gest 26 weeks gest 36 weeks gest Birth 12 months 2 years
Age/DOB P:SDV M
Country of birth P:SDV M BF
Education P:SDV M Pa
Ethnicity P:SDV M BF
Household members P:SDV Pa
Income-household P:SDV M Pa
Financial situation P:SDV M Pa
Language spoken at home P:SDV P:SDV
Marital/relationship status P:SDV M P:SDV M P:SDV M
Occupation P:SDV M Pa P:SDV Pa P:SDV Pa
Health insurance P:SDV M P:SDV M
Family structure P:SDV P:SDV
Social Risk Index P:SRI P:SRI
Sex AC P:SDV C

Featured measurements

SDV: Study Devised Variable
SRI: Social Risk Index

Legend

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)