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
Socio-emotional P:BITSEA P:BITSEA
Sensory processing P:ITSP P:ITSP
Gross motor O:Bayley-III
(n = 564)

P:SDV
Fine motor O:Bayley-III
(n = 564)
Language (receptive, expressive communication) O:Bayley-III
(n = 564)
Cognition O:Bayley-III
(n = 564)
Special health care needs screener P:CSHCN P:CSHCN

Featured measurements

Bayley-III: Bayley Scales of Infant and Toddler Development – Third Edition
BITSEA: Brief Infant Toddler Social Emotional Assessment
CSHCN: Children with Special Health Care Needs screener
ITSP: Infant/Toddler Sensory Profile
SDV: Study Devised Variable

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)